2020 in paleobotany

This article records new taxa of fossil plants described during the year 2020, as well as other significant discoveries and events related to paleobotany that occurred in 2020.

Flowering plants

Alismatales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Limnobiophyllum pedunculatum [1]	Sp. nov	Valid	Low, Su & Xing in Low et al.	Late Oligocene		China	A member of the family Araceae.

Apiales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Paleopanax puryearensis [2]	Sp. nov	Valid	Na, Blanchard & Wang	Middle Eocene	Cockfield Formation	United States ( Tennessee)	A member of the family Araliaceae.

Arecales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Echimonocolpites chicxulubensis [3]	Sp. nov	Valid	Smith et al.	Eocene (Ypresian)		Mexico	Pollen of a flowering plant, probably a member of the family Arecaceae.
Palmoxylon ceroxyloides [4]	Sp. nov	In press	Khan, Hazra & Bera in Khan et al.	Late Cretaceous (Maastrichtian)-Paleocene (Danian)	Deccan Intertrappean Beds	India	A petrified palm stem of a member of the subfamily Ceroxyloideae.
Palmoxylon dindoriensis [5]	Sp. nov	Valid	Khan, Roy & Bera in Khan et al.	Late Cretaceous (Maastrichtian)-Paleocene (Danian)	Deccan Intertrappean Beds	India	A petrified palm stem.
Sabalites dawsonii [6]	Sp. nov	Valid	Greenwood & Conran	Eocene		Canada ( British Columbia)
Sabalites karondiensis [7]	Sp. nov	In press	Roy, Hazra & Khan in Roy et al.	Late Cretaceous-Paleocene (latest Maastrichtian-earliest Danian)	Deccan Intertrappean Beds	India	A palm frond .
Spinizonocolpites riochiquensis [8]	Sp. nov	Valid	Vallati & De Sosa Tomas in Vallati, De Sosa Tomas & Casal	Late Cretaceous (Maastrichtian)	Lago Colhué Huapí Formation	Argentina	A member of Arecaceae described on the basis of fossil pollen grains. Announced in 2019; the final version of the article naming it was published in 2020.

Buxales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Pachysandra europaea [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A species of Pachysandra . Announced in 2019; the final version of the article naming it was published in 2020.

Caryophyllales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Gomphrenipollis garciae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant, possibly produced by members of the family Amaranthaceae. Announced in 2020; the final version of the article naming it was published in 2021.

Chloranthales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Sarcandraxylon [11]	Gen. et sp. nov	Valid	Pipo, Iglesias & Bodnar	Late Cretaceous (early–middle Campanian)	Santa Marta Formation	Antarctica	A member of the family Chloranthaceae. Genus includes new species S. sanjosense.

Cornales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Amersinia littletonensis [12]	Sp. nov	Valid	Huegele & Manchester	Early Paleocene	Denver Formation	United States ( Colorado)
Langtonia parva [12]	Sp. nov	Valid	Huegele & Manchester	Early Paleocene	Denver Formation	United States ( Colorado)	A member of the family Mastixiaceae.
Mastixicarpum hoodii [12]	Sp. nov	Valid	Huegele & Manchester	Early Paleocene	Denver Formation	United States ( Colorado)	A member of the family Mastixiaceae.
Nyssa gergoei [13]	Sp. nov	Valid	Hably	Miocene		Hungary	A tupelo.
Nyssa gyoergyi [13]	Sp. nov	Valid	Hably	Miocene		Hungary	A tupelo.
Platycrater iljinskajae [14]	Sp. nov	In press	Denk et al.	Late Oligocene		Russia
Portnallia alexanderi [12]	Sp. nov	Valid	Huegele & Manchester	Early Paleocene	Denver Formation	United States ( Colorado)	A member of the family Mastixiaceae.

Crossosomatales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Staphylea woodworthensis [15]	Sp. nov	In press	Zhu & Manchester	Oligocene	Renova Formation	United States ( Montana)	A species of Staphylea .

Cucurbitales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Coriaripites goodii [16]	Sp. nov	Valid	Barreda, Palazzesi & Tellería in Renner et al.	Late Cretaceous (Campanian–early Maastrichtian)	Lopez de Bertodano Formation Santa Marta Formation Snow Hill Island Formation	Antarctica	Pollen grains similar to those of extant members of the genus Coriaria .
Echitriporites jolyi [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the genus Cayaponia . Announced in 2020; the final version of the article naming it was published in 2021.

Ericales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Andrewsiocarpon puryearensis [2]	Sp. nov	Valid	Na, Blanchard & Wang	Middle Eocene	Cockfield Formation	United States ( Tennessee)	A member of the family Theaceae.
Anubiscarpon [17]	Gen. et sp. nov	Valid	Smith & Manchester	Middle Eocene	Clarno Formation	United States ( Oregon)	A member of the family Theaceae. Genus includes new species A. andersonae.

Fabales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Cercis zekuensis [18]	Sp. nov	Valid	Li et al.	Early Miocene		China	A species of Cercis . Announced in 2020; the final version of the article naming it was published in 2021.
Gleditsia pliocaenica [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A species of Gleditsia . Announced in 2019; the final version of the article naming it was published in 2020.
Menendoxylon lutzi [19]	Sp. nov	In press	Baez & Crisafulli	Miocene	Chiquimil	Argentina	Fossil wood of a member of the family Fabaceae.
Parkiidites marileae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the genus Parkia . Announced in 2020; the final version of the article naming it was published in 2021.
Prioria martineziorum [20]	Sp. nov	Valid	Rodríguez-Reyes & Estrada-Ruiz	Oligocene-Miocene	Santiago Formation	Panama	A species of Prioria .
Psilastephanocolporites deoliverae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the family Polygalaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Psilastephanocolporites endoporatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Announced in 2020; the final version of the article naming it was published in 2021.
Striatopollis grahamii [3]	Sp. nov	Valid	Smith et al.	Eocene (Ypresian)		Mexico	Pollen of an eudicot, probably a member of the family Fabaceae.

Fagales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Alnus chaybulakensis [21]	Sp. nov	Valid	Averyanova & Xing	Paleogene		Kazakhstan	An alder.
Berryophyllum hainanensis [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	A member of the family Fagaceae.
Carpinus asymmetrica [23]	Sp. nov	In press	Xue & Jia in Xue et al.	Early Miocene	Maguan	China	A species of Carpinus .
Carpinus symmetrica [23]	Sp. nov	In press	Xue & Jia in Xue et al.	Early Miocene	Maguan Basin	China	A species of Carpinus
Carya pipecreekensis [24]	Sp. nov	In press	Swinehart & Farlow	Late Neogene	Pipe Creek Sinkhole	United States ( Indiana)	A hickory.
Castaneophyllum hainanensis [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	A member of the family Fagaceae.
Castaneophyllum lanceolata [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	A member of the family Fagaceae.
Castanopsis bulgarica [25]	Sp. nov	Valid	Mantzouka, Ivanov & Bozukov	Late Miocene–early Pliocene (late Messinian–early Zanclean)	Pokrovnik	Bulgaria	A species of Castanopsis . Announced in 2020; the final version of the article naming it was published in 2021.
Lithocarpus changchangensis [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	A species of Lithocarpus .
Quercus aimeeana [26]	Sp. nov	Valid	Sadowski, Schmidt & Denk	Eocene	Baltic amber	Europe (Baltic Sea region)	An oak.
Quercus borissovii [21]	Sp. nov	Valid	Averyanova & Xing	Paleogene		Kazakhstan	An oak.
Quercus campanulata [26]	Sp. nov	Valid	Sadowski, Schmidt & Denk	Eocene	Baltic amber	Europe (Baltic Sea region)	An oak.
Quercus casparyi [26]	Sp. nov	Valid	Sadowski, Schmidt & Denk	Eocene	Baltic amber	Europe (Baltic Sea region)	An oak.
Quercus changchangensis [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	An oak.
Quercus conwentzii [26]	Sp. nov	Valid	Sadowski, Schmidt & Denk	Eocene	Baltic amber	Europe (Baltic Sea region)	An oak.
Quercus longianthera [26]	Sp. nov	Valid	Sadowski, Schmidt & Denk	Eocene	Baltic amber	Europe (Baltic Sea region)	An oak.
Quercus multipilosa [26]	Sp. nov	Valid	Sadowski, Schmidt & Denk	Eocene	Baltic amber	Europe (Baltic Sea region)	An oak.
Quercus paleoargyrotricha [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	An oak.
Quercus paleohypargyrea [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	An oak.
Quercus paleolamellosa [22]	Sp. nov	Valid	Liu & Jin in Liu, Song & Jin	Eocene	Changchang Formation	China	An oak.

Garryales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Eucommia szaferi [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A species of Eucommia . Announced in 2019; the final version of the article naming it was published in 2020.

Gentianales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Asclepiadospermum [27]	Gen. et 2 sp. nov	Valid	Del Rio et al.	Early Eocene	Niubao Formation	China	An asclepiadoid Apocynaceae genus. Included species A. marginatum and A. ellipticum.
Margocolporites carinae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the genus Rauvolfia . Announced in 2020; the final version of the article naming it was published in 2021.

Icacinales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Iodes elliptica [28]	Sp. nov	In press	Del Rio et al.	Early Oligocene	Wenshan Basin	China	A member of the family Icacinaceae.
Iodes passiciensis [29]	Sp. nov	Valid	Del Rio & De Franceschi	Early Eocene		France	A member of the family Icacinaceae.
Manchesteria [30]	Gen. et sp. nov	In press	Stull & Rozefelds in Rozefelds et al.	Cenozoic (mid-Miocene or, more likely, middle Eocene)		Australia	A member of the family Icacinaceae. Genus includes new species M. australis.
Pyrenacantha simonsii [31]	Sp. nov	Valid	Stull et al.	Early Oligocene		Egypt	A species of Pyrenacantha .

Lamiales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Echitricolpites cruziae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the genus Aegiphila . Announced in 2020; the final version of the article naming it was published in 2021.
Multiareolites? reticulatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the family Acanthaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Retistephanocolpites curvimuratus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Announced in 2020; the final version of the article naming it was published in 2021.
Retistephanocolpites pardoi [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant, possibly produced by members of the genus Amphilophium . Announced in 2020; the final version of the article naming it was published in 2021.

Laurales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Actinodaphnoxylon [32]	Gen. et sp. nov	In press	Akkemik et al.	Eocene (Lutetian)		Turkey	A member of the family Lauraceae. Genus includes new species A. zileensis.
Mezilaurinoxylon oleiferum [33]	Sp. nov	Valid	Ruiz, Brea & Pujana in Ruiz et al.	Paleocene (Danian)	Salamanca Formation	Argentina	A member of the family Lauraceae. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Patagonoxylon [33]	Gen. et sp. nov	Valid	Ruiz, Brea & Pujana in Ruiz et al.	Paleocene (Danian)	Salamanca Formation	Argentina	A member of Laurales of uncertain phylogenetic placement. Genus includes new species P. scalariforme. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Thymolepis [34]	Gen. et sp. nov	Valid	Chambers & Poinar	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	Possibly an early representative of Monimiaceae. Genus includes new species T. toxandra.
Valviloculus [35]	Gen. et sp. nov	Valid	Poinar et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	Possibly a member of Laurales related to the families Monimiaceae and Atherospermataceae. Genus includes new species V. pleristaminis.

Liliales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Smilax fujianensis [36]	Sp. nov	Valid	Dong et al.	Middle Miocene		China	A species of Smilax . Announced in 2020; the final version of the article naming it was published in 2021.
Smilax zhangpuensis [36]	Sp. nov	Valid	Dong et al.	Middle Miocene		China	A species of Smilax. Announced in 2020; the final version of the article naming it was published in 2021.

Magnoliales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Magnolia nanningensis [37]	Sp. nov	Valid	Huang et al.	Late Oligocene	Nanning Basin	China	A species of Magnolia .
Magnolia waltheri [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A species of Magnolia . Announced in 2019; the final version of the article naming it was published in 2020.
Melloniflora [38]	Gen. et sp. nov	Valid	Friis, Crane & Pedersen	Early Cretaceous	Potomac Group	United States ( Virginia)	A relative of extant early-diverging members of the Magnoliales. Genus includes new species M. virginiensis.

Malpighiales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Salix palaeofutura [39]	Sp. nov	Valid	Narita et al.	Miocene	Bifuka Formation	Japan	A willow.

Malvales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Bastardioxylon [19]	Gen. et sp. nov	In press	Baez & Crisafulli	Miocene	Chiquimil	Argentina	Fossil wood of a member of the family Malvaceae. Genus includes new species B. antiqua.
Dipterocarpus dindoriensis [40]	Sp. nov	Valid	Khan, Spicer & Bera in Khan et al.	Late Cretaceous (Maastrichtian)	Deccan Intertrappean Beds	India	A species of Dipterocarpus .
Echiperiporites germeraadii [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Announced in 2020; the final version of the article naming it was published in 2021.
Echiperiporites jaramilloi [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the genus Hibiscus . Announced in 2020; the final version of the article naming it was published in 2021.
Echiperiporites titanicus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the genus Malachra . Announced in 2020; the final version of the article naming it was published in 2021.
Retistephanocolporites elizabeteae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the genus Ceiba . Announced in 2020; the final version of the article naming it was published in 2021.
Veraguasoxylon [20]	Gen. et sp. nov	Valid	Rodríguez-Reyes & Estrada-Ruiz	Oligocene-Miocene	Santiago Formation	Panama	A member of the family Malvaceae. Genus includes new species V. panamense.

Myrtales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Eucalyptus xoshemium [41]	Sp. nov	Valid	Gandolfo & Zamaloa in Zamaloa, Gandolfo & Nixon	Eocene (Ypresian)	Huitrera Formation	Argentina	A species of Eucalyptus .
Mangroveoxylon [42]	Gen. et comb. nov	In press	Moya & Brea	Late Miocene?	Ituzaingó Formation	Argentina	A member of the family Combretaceae; a new genus for "Menendoxylon" areniensis Lutz (1979).
Myrceugenellites grandiporosum [33]	Sp. nov	Valid	Ruiz, Brea & Pujana in Ruiz et al.	Paleocene (Danian)	Salamanca Formation	Argentina	A member of the family Myrtaceae. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Primotrapa [43]	Gen. et sp. nov	Valid	Li & Li in Li et al.	Late Eocene to early Miocene	Hannuoba	China Czech Republic France Germany	A member of Trapoideae. Genus includes new species P. weichangensis, as well as "Carpolithus" pomelii Saporta (1878) and "Hemitrapa" alpina Su & Zhou in Su et al. (2018).

Nymphaeales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Praenymphaeapollenites [44]	Gen. et sp. nov	Valid	Barrón, Peris & Labandeira in Peris et al.	Cenomanian	Burmese amber	Myanmar	Pollen of a member of Nymphaeaceae. Genus includes new species P. cenomaniensis.

Oxalidales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Cunoniantha [45]	Gen. et sp. nov	Valid	Jud & Gandolfo	Paleocene (early Danian)	Salamanca Formation	Argentina	A member of the family Cunoniaceae. Genus includes new species C. bicarpellata. Announced in 2020; the final version of the article naming it was published in 2021.
Elaeocarpus nanningensis [46]	Sp. nov	In press	Liu et al.	Late Oligocene	Yongning Formation	China	A species of Elaeocarpus .
Elaeocarpus prelacunosus [46]	Sp. nov	In press	Liu et al.	Late Miocene	Foluo Formation	China	A species of Elaeocarpus.
Elaeocarpus preprunifolioides [46]	Sp. nov	In press	Liu et al.	Late Miocene	Foluo Formation	China	A species of Elaeocarpus.
Elaeocarpus prerugosus [46]	Sp. nov	In press	Liu et al.	Late Miocene	Foluo Formation	China	A species of Elaeocarpus.
Elaeocarpus preserratus [46]	Sp. nov	In press	Liu et al.	Late Miocene	Foluo Formation	China	A species of Elaeocarpus.
Elaeocarpus presikkimensis [46]	Sp. nov	In press	Liu et al.	Miocene	Erzitang Formation	China	A species of Elaeocarpus.

Poales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Monoporopollenites scabratus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen produced by members of the family Poaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Rhizomatites [47]	Gen. et sp. nov	In press	Robledo & Anzótegui in Robledo et al.	Miocene-Pliocene		Argentina	A member of Cyperaceae. Genus includes new species R. cyperoides.

Proteales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Banksia microphylla [48]	Sp. nov	Valid	Carpenter in Carpenter & Milne	Late Eocene		Australia	A species of Banksia .
Banksieaeidites zanthus [48]	Sp. nov	Valid	Milne in Carpenter & Milne	Late Eocene		Australia	A Banksia-like pollen.
Platanus emryi [49]	Sp. nov	Valid	Huegele, Spielbauer & Manchester	Miocene		United States	A species of Platanus .

Ranunculales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Cissampelos defranceschii [50]	Sp. nov	Valid	Del Rio & Su in Del Rio et al.	Middle Eocene	Niubao Formation	China	A species of Cissampelos . Announced in 2020; the final version of the article naming it was published in 2021.
Clematis csabae [13]	Sp. nov	Valid	Hably	Miocene		Hungary	A species of Clematis .
Diploclisia praeaffinis [51]	Sp. nov	Valid	Jia et al.	Late Miocene		China	A member of the family Menispermaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Menispermites bangorensis [50]	Sp. nov	Valid	Huang in Del Rio et al.	Middle Eocene	Niubao Formation	China	A member of the family Menispermaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Menispermites haominae [50]	Sp. nov	Valid	Huang in Del Rio et al.	Middle Eocene	Niubao Formation	China	A member of the family Menispermaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Menispermites tibetica [50]	Sp. nov	Valid	Huang in Del Rio et al.	Middle Eocene	Niubao Formation	China	A member of the family Menispermaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Paleoorbicarpum [52]	Gen. et sp. nov	Valid	Han et al.	Paleocene	Sanshui Basin	China	A member of the family Menispermaceae. Genus includes new species P. parvum.
Stephania bangorensis [50]	Sp. nov	Valid	Del Rio & Su in Del Rio et al.	Middle Eocene	Niubao Formation	China	A species of Stephania. Announced in 2020; the final version of the article naming it was published in 2021.
Stephania geniculata [52]	Sp. nov	Valid	Han et al.	Paleocene	Sanshui Basin	China	A species of Stephania
Stephania ornamenta [52]	Sp. nov	Valid	Han et al.	Paleocene	Sanshui Basin	China	A species of Stephania
Stephania shuangxingii [50]	Sp. nov	Valid	Del Rio & Su in Del Rio et al.	Middle Eocene	Niubao Formation	China	A species of Stephania. Announced in 2020; the final version of the article naming it was published in 2021.

Rosales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Berhamniphyllum junrongii [53]	Sp. nov	Valid	Zhou, Wang & Huang in Zhou et al.	Late Eocene	Markam Basin	China	A member of the family Rhamnaceae
Crataegus pentagynoides [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A species of Crataegus . Announced in 2019; the final version of the article naming it was published in 2020.
Hemiptelea kryshtofovichii [21]	Sp. nov	Valid	Averyanova & Xing	Paleogene		Kazakhstan	A member of the family Ulmaceae.
Scabrastephanoporites [3]	Gen. et sp. nov	Valid	Smith et al.	Eocene (Ypresian)		Mexico	Pollen of an eudicot, probably a member of the family Ulmaceae or Cannabaceae. Genus includes new species S. variabilis.

Sapindales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Acer dombeyopsis [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A maple. Announced in 2019; the final version of the article naming it was published in 2020.
Acer viburnoides [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A maple. Announced in 2019; the final version of the article naming it was published in 2020.
Acer vitiforme [9]	Sp. nov	Valid	Kvaček, Teodoridis & Denk	Pliocene		Germany	A maple. Announced in 2019; the final version of the article naming it was published in 2020.
Brosipollis reticulatus [3]	Sp. nov	Valid	Smith et al.	Eocene (Ypresian)		Mexico	Pollen of a flowering plant, probably a member of the family Burseraceae.
Choerospondias fujianensis [54]	Sp. nov	In press	Wang et al.	Miocene		China	A species of Choerospondias .
Llanodelacruzoxylon [55]	Gen. et sp. nov		Rodríguez-Reyes, Estrada-Ruiz & Gasson	Oligocene–Miocene	Santiago Formation	Panama	A member of the family Anacardiaceae. Genus includes new species L. sandovalii.
Manchestercarpa [56]	Gen. et sp. nov	Valid	Atkinson	Late Cretaceous (Campanian)		Canada ( British Columbia)	A member of the family Meliaceae described on the basis of a fossil fruit. Genus includes new species M. vancouverensis.
Parametopioxylon [57]	Gen. et sp. nov	Valid	Franco et al.	Miocene	Ituzaingó Formation	Argentina	A member of the family Anacardiaceae described on the basis of fossil wood. Genus includes new species P. crystalliferum.
Psilastephanocolporites hammenii [3]	Sp. nov	Valid	Smith et al.	Eocene (Ypresian)		Mexico	Pollen of a flowering plant, probably a member of the family Meliaceae
Quinquala [58]	Gen. et sp. nov	Valid	Manchester & Disney in Manchester, Disney & Pham	Eocene	Clarno Formation Tepee Trail Formation	United States ( Oregon Wyoming)	A fossil fruit with affinities with the Rutaceae. Genus includes new species Q. obovata.
Rousea cavitata [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Announced in 2020; the final version of the article naming it was published in 2021.

Saxifragales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Corylopsis grisea [59]	Sp. nov	Valid	Quirk & Hermsen	Early Pliocene	Gray Fossil Site	United States ( Tennessee)	A species of Corylopsis . Announced in 2020; the final version of the article naming it was published in 2021.
Itea polyneura [60]	Sp. nov	In press	Huang & Tian in Tian et al.	Oligocene	Huazhige Formation	China	A species of Itea .
Protoaltingia [61]	Gen. et sp. nov	Valid	Scharfstein, Stockey & Rothwell	Late Cretaceous (Coniacian)		Canada ( British Columbia)	A member of the family Altingiaceae. Genus includes new species P. comoxense.

Solanales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Physalis hunickenii [62]	Sp. nov	Valid	Deanna, Wilf & Gandolfo	Early Eocene	Laguna del Hunco Formation	Argentina	A species of Physalis .

Trochodendrales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Eotrochion [63]	Gen. et sp. nov	Valid	Manchester, Kvaček & Judd	Paleocene		United States ( Wyoming)	A member of the family Trochodendraceae. Genus includes new species E. polystylum. Announced in 2020; the final version of the article naming it was published in 2021.
Paraconcavistylon [63]	Gen. et comb. nov	Valid	Manchester, Kvaček & Judd	Ypresian	Klondike Mountain Formation	United States ( Washington)	A Trochodendraceae; a new genus for "Concavistylon" wehrii Manchester et al. (2018). Announced in 2020; the final version of the article naming it was published in 2021.
Trochodendron infernense [63]	Sp. nov	Valid	Manchester, Kvaček & Judd	Paleocene		United States ( Wyoming)	A species of Trochodendron . Announced in 2020; the final version of the article naming it was published in 2021.

Vitales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Yua jiangxiensis [64]	Sp. nov	Valid	He & Wang	Miocene	Toupi Formation	China	A species of Yua . Announced in 2020; the final version of the article naming it was published in 2021.

Other angiosperms

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Aextoxicoxylon kawasianus [65]	Sp. nov	Valid	Vera et al.	Late Cretaceous	Puntudo Chico Formation	Argentina	A fossil dicot wood
Atlantocarpus [66]	Gen. et sp. nov	Valid	Friis, Crane & Pedersen	Early Cretaceous (Albian)	Potomac Group	Portugal United States ( Virginia)	An early flowering plant, possibly related to the group Austrobaileyales. Genus includes new species A. virginiensis.
Carpolithes gergoei [13]	Sp. nov	Valid	Hably & Erdei in Hably	Miocene		Hungary	A fossil fruit of a flowering plant of uncertain phylogenetic placement.
Catanthus [67]	Gen. et sp. nov	In press	Friis, Crane & Pedersen	Early Cretaceous		Portugal	An early flowering plant. Genus includes new species C. dolichostemon.
Cavilignum [68]	Gen. et sp. nov	Valid	Siegert & Hermsen	Early Pliocene	Gray Fossil Site	United States ( Tennessee)	A flowering plant of uncertain phylogenetic placement, described on the basis of fossil endocarps. Genus includes new species C. pratchettii.
Chainandra [69]	Gen. et sp. nov	Valid	Poinar & Chambers	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	Genus includes new species C. zeugostylus.
Cichoreacidites? flammulatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Crotonoidaepollenites echinatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Cyathitepala [70]	Gen. et sp. nov	Valid	Poinar & Chambers	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	Genus includes new species C. papillosa.
Dasykothon [71]	Gen. et sp. nov	Valid	Poinar & Chambers	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A flowering plant of uncertain phylogenetic placement, possibly a member of Laurales. Genus includes new species D. leptomiscus.
Dinganthus [72]	Gen. et sp. nov	Valid	Liu et al.	Miocene	Dominican amber	Dominican Republic	A eudicot of uncertain phylogenetic placement. Genus includes new species D. pentamera.
Echistephanoporites annulatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Eofructus [73]	Gen. et sp. nov	Valid	Han & Wang	Early Cretaceous	Yixian Formation	China	An infructescence including a central axis and five fruits resembling Liaoningfructus . Genus includes new species E. liutiaogouensis.
Foveotricolporites crassus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Inaperturopollenites microechinatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Ladakhipollenites carmoi [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Lambertiflora [66]	Gen. et sp. nov	Valid	Friis, Crane & Pedersen	Early Cretaceous (Albian)	Potomac Group	United States ( Virginia)	An early flowering plant, possibly related to the group Austrobaileyales. Genus includes new species L. elegans.
Malvacipolloides diversus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Malvacipolloides echibaculatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Malvacipolloides romeroae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Menatanthus [74]	Gen. et sp. nov	Valid	Uhl, Paudayal & El Atfy in Uhl et al.	Paleocene (Thanetian)		France	A eudicot of uncertain phylogenetic placement. Genus includes new species M mosbruggeri. Announced in 2020; the final version of the article naming it was published in 2021.
Mugideiriflora [66]	Gen. et sp. nov	Valid	Friis, Crane & Pedersen	Early Cretaceous (Aptian-early Albian)	Almargem Formation	Portugal	An early flowering plant, possibly related to the group Austrobaileyales. Genus includes new species M. portugallica.
Phantophlebia [75]	Gen. et sp. nov	Valid	Poinar & Chambers	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A flowering plant of uncertain phylogenetic placement, possibly related to myrsinoid members of the family Primulaceae. Genus includes new species P. dicycla.
Platanites willigeri [76]	Sp. nov	Valid	Halamski & Kvaček in Halamski et al.	Late Cretaceous (Santonian)	Czerna Formation	Poland	Trifoliolate platanoid leaves.
Psilaperiporites delicatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Psilaperiporites lunaris [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Ranunculacidites reticulatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Rasenganus [77]	Gen. et sp. nov	Valid	Xing & Gu	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A possible epizoochorous fruit. Genus includes new species R. auricularus.
Retibrevitricolpites microreticulatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Retibrevitricolporites costaporus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Retibrevitricolporites? toigoae [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Retipollenites solimoensis [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Retitriporites crassoreticulatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Rhoipites alfredii [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pollen of a flowering plant. Announced in 2020; the final version of the article naming it was published in 2021.
Singpuria [78]	Gen. et sp. nov	Valid	Ramteke, Manchester & Nagrale in Ramteke et al.	Late Cretaceous (Maastrichtian)	Deccan Intertrappean Beds	India	A member of Pentapetalae of uncertain phylogenetic placement. Genus includes new species S. kapgatei.
Sinoherba [79]	Gen. et sp. nov	Valid	Liu & Wang in Liu, Chen & Wang	Early Cretaceous (Barremian–Aptian)	Yixian Formation	China	An early monocot. Genus includes new species S. ningchengensis. Announced in 2020; the final version of the article naming it was published in 2021.
Varifructus [80]	Gen. et sp. nov	In press	Liu et al.	Early Cretaceous	Yixian Formation	China	An early flowering plant. Genus includes new species V. lingyuanensis.
Wireroadia [81]	Gen. et sp. et comb. nov	Valid	Zhang et al.	Late Cretaceous (Cenomanian to Santonian)		United States ( Alabama Massachusetts New Jersey New York)	A winged fruit of a eudicot of uncertain phylogenetic placement. Genus includes new species W. viccallii, as well as W. major (Hollick).

Pinales

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Agathis ledongensis [82]	Sp. nov	Valid	Oskolski et al.	Late Oligocene–early Miocene	Qiutangling Formation	China	A species of Agathis
Agathoxylon cozzoi [83]	Sp. nov	Valid	Gnaedinger & Zavattieri	Late Triassic	Chihuido Formation	Argentina
Araucaria cuneoi [84]	Sp. nov	Valid	Noll & Kunzmann	Middle Jurassic		Argentina	A species of Araucaria .
Araucaria famii [85]	Sp. nov	Valid	Stockey & Rothwell	Late Cretaceous (Campanian)		Canada ( British Columbia)	A species of Araucaria.
Araucaria fildesensis [86]	Sp. nov	Valid	Shi et al.	Eocene	Fossil Hill Formation	Antarctica (King George Island)	A species of Araucaria
Araucaria huncoensis [87]	Sp. nov	Valid	Rossetto-Harris in Rossetto-Harris et al.	Early Eocene	Laguna del Hunco Formation	Argentina	A species of Araucaria.
Araucaria stockeyana [84]	Sp. nov	Valid	Noll & Kunzmann	Middle Jurassic		Argentina	A species of Araucaria.
Araucarites pachacuteci [88]	Sp. nov	In press	Martínez in Martínez et al.	Early Cretaceous (Berriasian–Valanginian)	Huancané Formation	Peru	A member of the family Araucariaceae
Brachyoxylon zhouii [89]	Sp. nov	Valid	Jiang et al.	Early Cretaceous	Guantou Formation	China	A conifer wood. Announced in 2020; the final version of the article naming it was published in 2021.
Brachyphyllum sattlerae [90]	Sp. nov	Valid	Batista et al.	Early Cretaceous (Aptian)	Crato Formation	Brazil	A member of the family Pinidae.
Callialastrobus [91]	Gen. et sp. nov	In press	Kvaček & Mendes	Early Cretaceous (late Aptian–early Albian)	Lusitanian Basin	Portugal	A pollen cone of a member of Araucariaceae. Genus includes new species C. sousai.
Cedrus anatolica [92]	Sp. nov	Valid	Akkemik	Early Miocene	Hançili Formation	Turkey	A species of Cedrus . Announced in 2020; the final version of the article naming it was published in 2021.
Circoporoxylon tibetense [93]	Sp. nov	In press	Xia et al.	Middle Jurassic (Callovian)	Xiali Formation	China	Possibly a member of the family Podocarpaceae.
Comoxostrobus [94]	Gen. et sp. nov	Valid	Stockey, Rothwell & Atkinson	Late Cretaceous (early Coniacian)		Canada ( British Columbia)	A member of the family Cupressaceae belonging to the subfamily Taiwanioideae. Genus includes new species C. rossii.
Cupressinoxylon klimovii [95]	Nom. nov	Valid	Blokhina	Miocene		Russia	A member of the family Cupressaceae; a replacement name for Cupressinoxylon biotoides Blokhina (1989).
Cupressinoxylon llantenesense [83]	Sp. nov	Valid	Gnaedinger & Zavattieri	Late Triassic	Llantenes Formation	Argentina
Cupressinoxylon manuelii [96]	Sp. nov	In press	Ríos-Santos, Cevallos-Ferriz & Pujana	Late Cretaceous (Campanian-Maastrichtian)	Cabullona Group	Mexico
Ductoagathoxylon wangii [97]	Sp. nov	In press	Gou & Feng in Gou et al.	Middle Jurassic	Xishanyao Formation	China	A conifer stem.
Friisia [98]	Gen. et sp. nov	In press	Mendes & Kvaček	Early Cretaceous (late Aptian – early Albian)	Lusitanian Basin	Portugal	An ovuliferous cone of a member of the family Podocarpaceae. Genus includes new species F. lusitanica.
Juniperoxylon acarcaea [99]	Sp. nov	In press	Akkemik	Early Miocene	Hançili Formation	Turkey	A member of the family Cupressaceae.
Lesbosoxylon kemaliyensis [100]	Sp. nov	Valid	Akkemik & Mantzouka in Akkemik, Mantzouka & Kıran Yıldırım	Miocene	Divriği Formation	Turkey	A member of the family Pinaceae.
Marskea cuspidata [101]	Sp. nov	Valid	Frolov & Mashchuk	Middle Jurassic	Prisayan Formation	Russia	A member of the family Taxaceae.
Mukawastrobus [102]	Gen. et sp. nov	Valid	Stockey, Nishida & Rothwell	Late Cretaceous (late Campanian—early Maastrichtian)		Japan	A member of the family Cupressaceae belonging to the subfamily Taiwanioideae. Genus includes new species M. satoi.
Piceoxylon yumeniense [103]	Sp. nov	Valid	Zhou, Peng, Deng, Zhang & Yang in Zhou et al.	Early Cretaceous	Xiagou Formation	China	Fossil wood of a member of the family Pinaceae. Announced in 2020; the final version of the article naming it was published in 2021.
Pinuxylon selmeierianum [104]	Sp. nov	Valid	Dolezych & Reinhardt	Paleogene	Eureka Sound Group	Canada ( Nunavut)	A member of the family Pinaceae described on the basis of fossil wood
Protophyllocladoxylon chijinense [103]	Sp. nov	Valid	Zhou, Peng, Deng, Zhang & Yang in Zhou et al.	Early Cretaceous	Xiagou Formation	China	Announced in 2020; the final version of the article naming it was published in 2021.
Tsuga asiatica [105]	Sp. nov	Valid	Wu & Zhou in Wu et al.	Late Paleogene		China	A species of Tsuga . Announced in 2019; the final version of the article naming it was published in 2020.

Other seed plants

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Amyelon turpanense [106]	Sp. nov	In press	Shi, Yu & Sun	Permian (Lopingian)	Wutonggou	China	A root of a member of Cordaitales
Androstrobus obovatus [107]	Sp. nov	In press	Bodnar et al.	Late Triassic	Potrerillos Formation	Argentina	A member of Cycadales.
Araripestrobus [108]	Gen. et sp. nov	Valid	Seyfullah, Roberts, Schmidt & Kunzmann in Seyfullah et al.	Early Cretaceous (Aptian-Albian)	Crato	Brazil	A seed plant belonging to the group Erdtmanithecales. Genus includes new species A. resinosus.
Archaeopetalanthus [109]	Gen. et sp. nov	Valid	Naugolnykh	Carboniferous	Listvjanskaya	Russia	A member of Pinophyta belonging to the group Vojnovskyales. Genus includes new species A. progressus.
Battenispermum [110]	Gen. et sp. nov	In press	Mendes, Pedersen & Friis	Early Cretaceous		Portugal	A seed plant belonging to the informal grouping Bennettitales-Erdtmanithecales-Gnetales. Genus includes new species B. hirsutum.
Carpolithus volantus [111]	Sp. nov	Valid	Gómez et al.	Early Cretaceous (Aptian)	La Cantera Formation	Argentina	A fossil seed, possibly produced by a member of Gnetales.
Ductolobatopitys [112]	Gen. et sp. nov	Valid	Conceição & Crisafulli in Conceição et al.	Permian (Cisuralian)	Pedra de Fogo Formation	Brazil	A gymnosperm described on the basis of fossil wood. Genus includes new species D. mussae.
Filigigantopteris [113]	Gen. et 2 sp. nov	In press	Zhou et al.	Late Permian	Nayixiong Formation	China	A gigantopterid. Genus includes new species F. asymmetrica and F. dahaia.
Ginkgo pediculata [114]	Sp. nov	In press	Deng, Yang & Zhou	Early Cretaceous		China	A species of Ginkgo .
Jianchangia [115]	Gen. et sp. nov	Valid	Yang, Wang & Ferguson	Early Cretaceous (Aptian)	Jiufotang Formation	China	A member of Ephedraceae. Genus includes new species J. verticillata.
Johniphyllum [116]	Gen. et sp. nov	Valid	Looy & Duijnstee	Permian (Guadalupian)		United States ( Texas)	A member of Voltziales. Genus includes new species J. multinerve.
Jordaniopteris [117]	Gen. et comb. nov	Valid	Anderson in Anderson et al.	Permian (possibly Lopingian)	Um Irna Formation	Jordan	A seed fern. A new genus for "Dicroidium" irnensis Abu Hamad et al. (2008); genus also includes "Dicroidium" jordanensis Abu Hamad et al. (2008), "Dicroidium" robustum Kerp & Vörding (2008) and "Dicroidium" bandelii Abu Hamad et al. (2017).
Kaokoxylon brasiliensis [112]	Sp. nov	Valid	Conceição, Neregato & Iannuzzi in Conceição et al.	Permian (Cisuralian)	Pedra de Fogo Formation	Brazil	A conifer described on the basis of fossil wood.
Nilssonia mirovanae [118]	Sp. nov	Valid	Čepičková & Kvaček	Late Cretaceous (Cenomanian)	Peruc-Korycany Formation	Czech Republic	A cycad.
Novaiorquepitys [119]	Gen. et sp. nov	In press	Conceição & Crisafulli in Conceição et al.	Permian (Cisuralian)	Pedra de Fogo Formation	Brazil	A gymnosperm stem. Genus includes new species N. maranhensis Conceição, Neregato & Iannuzzi.
Ovalocarpus butmanii [120]	Sp. nov	Valid	Naugolnykh & Linkevich	Permian (Artinskian)		Russia ( Sverdlovsk Oblast)	A member of Ginkgoales belonging to the family Cheirocladaceae.
Palaeocupressinoxylon [121]	Gen. et sp. nov	In press	Wan, Yang & Wang	Late Permian	Turpan–Hami Basin	China	A silicified gymnospermous fossil wood. Genus includes new species P. uniseriale.
Phoenicopsis anadyrensis [122]	Sp. nov	Valid	Nosova in Zolina et al.	Late Cretaceous–Paleocene (Maastrichtian–Danian)	Rarytkin	Russia ( Chukotka Autonomous Okrug)	A member of Czekanowskiales
Pseudovoltzia sapflorensis [116]	Sp. nov	Valid	Looy & Duijnstee	Permian (Guadalupian)		United States ( Texas)	A member of Voltziales
Pterostoma neehoffii [123]	Sp. nov	Valid	Conran et al.	Middle Miocene		New Zealand	A cycad
Pteruchus frenguellii [124]	Sp. nov	In press	Blomenkemper et al.	Late Permian	Umm Irna Formation	Jordan	A pollen organ of a seed fern
Pteruchus lepidus [124]	Sp. nov	In press	Blomenkemper et al.	Late Permian	Umm Irna Formation	Jordan	A pollen organ of a seed fern
Samaropsis jinchangensis [125]	Sp. nov	Valid	Hua & Sun in Hua et al.	Early Permian		China	A seed fossil. Announced in 2019; the final version of the article naming was published in 2020.
Umaltolepis involuta [126]	Sp. nov	In press	Nosova	Middle Jurassic	Angren Formation	Uzbekistan
Umaltolepis sogdianica [126]	Sp. nov	In press	Nosova	Middle Jurassic	Angren Formation	Uzbekistan
Umkomasia aequatorialis [124]	Sp. nov	In press	Blomenkemper et al.	Late Permian	Umm Irna Formation	Jordan	A cupulate structure of a seed fern
Wantus [116]	Gen. et sp. nov	Valid	Looy & Duijnstee	Permian (Guadalupian)		United States ( Texas)	A member of Voltziales. Genus includes new species W. acaulis.
Wudaeophyton [127]	Gen. et sp. nov	Valid	Pšenička et al.	Early Permian	Taiyuan Formation	China	A small vine, most similar to pteridosperms from the group Callistophytales. Genus includes new species W. wangii.
Yangopteris [128]	Gen. et comb. nov	In press	Zhou et al.	Permian (Asselian)		China	A seed fern; a new genus for "Alethopteris" ascendens Halle.
Yvyrapitys [119]	Gen. et sp. nov	In press	Conceição & Crisafulli in Conceição et al.	Permian (Cisuralian)	Pedra de Fogo Formation	Brazil	A gymnosperm stem. Genus includes new species Y. novaiorquensis Conceição, Neregato & Iannuzzi.

Other plants

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes	Images
Annularia paisii [129]	Sp. nov	Valid	Correia et al.	Carboniferous (Gzhelian)		Portugal
Blasiites huolinhensis [130]	Sp. nov	In press	Li et al.	Early Cretaceous	Huolinhe Formation	China	A liverwort belonging to the family Blasiaceae.
Botryopteris multifolia [131]	Sp. nov	In press	He et al.	Permian (Lopingian)	Junlian Formation	China	A fern
Birisia mandshurica [132]	Sp. nov	Valid	Golovneva, Grabovskiy & Zolina	Early Cretaceous (Albian)	Frentsevka Formation	Russia ( Primorsky Krai)	A fern belonging to the family Dicksoniaceae.
Calamites cambrensis [133]	Sp. nov	Valid	Thomas	Carboniferous (Pennsylvanian)		United Kingdom
Catenuporella [134]	Gen. et sp. nov	Valid	Zhang et al.	Late Ordovician	Ordos Basin	China	A green alga belonging to the group Dasycladales. Genus includes new species C. gigantia.
Charaxis spicatus [135]	emend. nov.	Valid	Pérez-Cano, Bover-Arnal et Martín-Closas in Pérez-Cano et al.	Barremian	Maestrat Basin	Spain	Thallus of Echinochara lazarii . Both taxa has been firstly found anatomically attached
Chlamydomonas hanublikanus [136]	Sp. nov		Vršanská & Hinkelman	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A species of Chlamydomonas
Circinites [47]	Gen. et sp. nov	In press	Robledo & Anzótegui in Robledo et al.	Miocene-Pliocene		Argentina	A fern belonging to the family Pteridaceae. Genus includes new species C. pteridoides.
Clavatisporites cenomaniana [137]	Sp. nov	Valid	Santamarina in Santamarina et al.	Late Cretaceous (Cenomanian)	Mata Amarilla Formation	Argentina	Spores of a member of Filicopsida of uncertain phylogenetic placement. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Clavator calcitrapus var. jiangluoensis [135]	comb. nov	Valid	Pérez-Cano, Bover-Arnal et Martín-Closas in Pérez-Cano et al.	Barremian	Maestrat Basin	Spain	Clavatoracean species.
Collarecodium? nezpercae [138]	Sp. nov	Valid	Bucur & Rigaud in Bucur et al.	Late Triassic (Norian)		United States ( Idaho)	A green alga belonging to the group Bryopsidales and possibly to the family Udoteaceae.
Collarisporites minor [137]	Sp. nov	Valid	Santamarina in Santamarina et al.	Late Cretaceous (Cenomanian)	Mata Amarilla Formation	Argentina	Spores of a member of Filicopsida of uncertain phylogenetic placement. Announced in 2019; the final version of the article naming it is scheduled to be published in 2020.
Coniopteris sandaolingensis [139]	Sp. nov	Valid	Yuan & Sun in Yuan et al.	Middle Jurassic	Xishanyao Formation	China
Dimicheleodendron [140]	Gen. et comb. nov	Valid	Thomas & Cleal	Carboniferous		United Kingdom	A lycophyte; a new genus for "Lepidodendron" hickii.
Drynaria diplosticha [141]	Sp. nov	Valid	Yu & Xie in Yu et al.	Late Miocene	Bangmai Formation	China	A fern belonging to the family Polypodiaceae.
Echinochara lazarii [135]	comb. nov	Valid	Pérez-Cano, Bover-Arnal et Martín-Closas in Pérez-Cano et al.	Barremian	Maestrat Basin	Spain	A member of Clavatoraceans.
Equicalastrobus pusillus [142]	Sp. nov	Valid	Zhang & Yan in Zhang et al.	Late Triassic	Baojishan Basin	China	A member of Equisetales. Announced in 2020; the final version of the article naming was published in 2021.
Equisetum yenbaiense [143]	Sp. nov	Valid	Aung et al.	Late Miocene		Vietnam	A species of Equisetum
Equisetum yongpingense [143]	Sp. nov	Valid	Aung et al.	Late Pliocene	Sanying Formation	Vietnam	A species of Equisetum
Filippoporella [144]	Gen. et sp. nov	In press	Sokač & Grgasović	Early Paleocene		Croatia	A green alga belonging to the group Dasycladales. Genus includes new species F. barattoloi.
Frullania partita [145]	Sp. nov	Valid	Li et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A liverwort, a species of Frullania
Frullania vanae [146]	Sp. nov	Valid	Mamontov et al.	Eocene	Rovno amber	Ukraine	A liverwort, a species of Frullania
Gippslandites [147]	Gen. et sp. nov	Valid	McSweeney, Shimeta & Buckeridge	Late Silurian–early Devonian		Australia	A member of Zosterophyllaceae. Genus includes new species G. minutus.
Gmujij [148]	Gen. et sp. nov	Valid	Pfeiler & Tomescu	Devonian (Emsian)	Battery Point	Canada ( Quebec)	An early euphyllophyte. Genus includes new species G. tetraxylopteroides. Announced in 2020; the final version of the article naming it was published in 2021.
Griphoporella minuta [138]	Sp. nov	Valid	Bucur & Peybernes in Bucur et al.	Late Triassic		Japan	A green alga belonging to the group Dasycladales and the family Triploporellaceae.
Hansopteris [149]	Gen. et sp. nov	In press	Zhou et al.	Permian (Asselian)		China	An anachoropterid fern. Genus includes new species H. uncinatus.
Holosporella magna [138]	Sp. nov	Valid	Bucur & Fucelli in Bucur et al.	Late Triassic (Norian)		United States ( Nevada)	A green alga belonging to the group Dasycladales and the family Triploporellaceae.
Holosporella? rossanae [138]	Sp. nov	Valid	Bucur & Del Piero in Bucur et al.	Late Triassic (Norian)		Canada ( Yukon)	A green alga belonging to the group Dasycladales and the family Triploporellaceae.
Inocladus [150]	Gen. et comb. nov	Valid	LoDuca et al.	Silurian		United States	An alga related to the group Bryopsidales. Genus includes "Buthotrephis" divaricata White (1901), "B." newlini White (1901), "B." lesquereuxi Grote & Pitt (1876) and "Chondrites" verus Ruedemann (1925). Announced in 2020; the final version of the article naming it was published in 2021.
Intermurella ordosensis [134]	Sp. nov	Valid	Zhang et al.	Late Ordovician	Ordos Basin	China	A green alga belonging to the group Dasycladales.
Jurafructus [151]	Gen. et sp. nov	Valid	Chen et al.	Middle−Late Jurassic	Jiulongshan Formation	China	A plant of uncertain phylogenetic placement, possibly a flowering plant described on the basis of a probable fossil drupe. Genus includes new species J. daohugouensis.
Keraphyton [152]	Gen. et sp. nov	Valid	Champreux, Meyer-Berthaud & Decombeix	Devonian (Famennian)	Mandowa Mudstone Formation	Australia	A member of Iridopteridales of uncertain phylogenetic placement. Genus includes new species K. mawsoniae.
Khasurtya [153]	Gen. et sp. nov	Valid	Mamontov in Kopylov et al.	Early Cretaceous		Russia	A liverwort belonging to the group Marchantiidae. Genus includes new species K. ginkgoides.
Lepidodendron demkinae [154]	Sp. nov	Valid	Mosseichik	Carboniferous (Viséan)		Russia
Lobatannularia linjiaensis [155]	Sp. nov	Valid	Xu et al.	Middle Triassic	Linjia Formation	China	A member of Equisetales.
Lygodium sanshuiense [156]	Sp. nov	Valid	Naugolnykh et al.	Paleocene	Buxin Formation	China	A species of Lygodium . Announced in 2019; the final version of the article naming it was published in 2020.
Metzgeriites kujiensis [157]	Sp. nov	Valid	Katagiri in Katagiri & Shinden	Late Cretaceous (Santonian)	Tamagawa Formation	Japan	A liverwort.
Munieria martinclosasi [135]	comb. nov.	Valid	Pérez-Cano, Bover-Arnal et Martín-Closas in Pérez-Cano et al.	Barremian	Lebanon	Lebanon	Clavatoracean thallus. Formerly known as Charaxis martinclosasi
Neoarthropitys [158]	Gen. et sp. nov	In press	Gnaedinger et al.	Middle Triassic	Quebrada de los Fósiles	Argentina	A member of Equisetales. Genus includes new species N. gondwanaensis.
Osmundacaulis asiatica [159]	Sp. nov	Valid	Cheng et al.	Cretaceous		China	A member of the family Osmundaceae
Osmundacaulis sinica [159]	Sp. nov	Valid	Cheng et al.	Cretaceous		China	A member of the family Osmundaceae
Ovoidites circumplicatus [160]	Sp. nov	Valid	Zavattieri, Gutiérrez & Monti	Middle Triassic	Quebrada de los Fósiles Formation	Argentina	A green alga belonging to the group Zygnematales.
Ovoidites tripartitus [160]	Sp. nov	Valid	Zavattieri, Gutiérrez & Monti	Middle Triassic	Quebrada de los Fósiles Formation	Argentina	A green alga belonging to the group Zygnematales.
Palaeostachya guanglongii [161]	Sp. nov	In press	Liu et al.	Permian (Asselian)	Taiyuan Formation	China	A member of the family Calamitaceae.
Parazosterophyllum [147]	Gen. et sp. nov	Valid	McSweeney, Shimeta & Buckeridge	Late Silurian–early Devonian		Australia	A member of Zosterophyllaceae. Genus includes new species P. timsiae.
Patruliuspora oregonica [138]	Sp. nov	Valid	Bucur & Rigaud in Bucur et al.	Late Triassic (Norian)		United States ( Oregon)	A green alga belonging to the group Dasycladales and the family Polyphysaceae.
Patruliuspora pacifica [138]	Sp. nov	Valid	Bucur, Del Piero & Peyrotty in Bucur et al.	Late Triassic (Norian)		Canada ( Yukon)	A green alga belonging to the group Dasycladales and the family Polyphysaceae.
Pellites hamiensis [162]	Sp. nov	Valid	Li et al.	Middle Jurassic	Xishanyao	China	A liverwort belonging to the family Pelliaceae.
Plenasium (Aurealcaulis) elegans [163]	Sp. nov	In press	Hiller et al.	Eocene	Na Duong Formation	Vietnam	A member of Osmundaceae
Pleuromeia shaolinii [164]	Sp. nov	Valid	Zhang & Wang in Zhang et al.	Middle Triassic	Linjia	China
Polycingulatisporites multiverrucata [137]	Sp. nov	Valid	Santamarina in Santamarina et al.	Late Cretaceous (Cenomanian)	Mata Amarilla	Argentina	Spores of a member of Bryophyta of uncertain phylogenetic placement, possibly of sphagnaceous affinity. Announced in 2019; the final version of the article naming it was published in 2020.
Polypodiisporites minutiverrucatus [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pteridophyte spore. Announced in 2020; the final version of the article naming it was published in 2021.
Polysporia baetica [165]	Sp. nov	In press	Álvarez-Vázquez, Bek & Drábková	Carboniferous (Pennsylvanian)	Peñarroya-Belmez-Espiel Coalfield	Spain	A member of Isoetales
Polystichum pacltovae [166]	Sp. nov	Valid	Kvaček in Kvaček & Teodoridis	Oligocene		Czech Republic	A fern, a species of Polystichum
Proodontosoria [167]	Gen. et sp. nov	Valid	Li et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A fern belonging to the family Lindsaeaceae. Genus includes new species P. myanmarensis.
Proterocladus antiquus [168]	Sp. nov	Valid	Tang et al.	Mesoproterozoic circa 1 Ga	Nanfen	China	An early siphonocladalean chlorophyte
Psilatriletes cozzuolii [10]	Sp. nov	Valid	Rabelo Leite, Ferreira da Silva-Caminha & D'Apolito	Miocene	Solimões Basin	Brazil	Pteridophyte spore. Announced in 2020; the final version of the article naming it was published in 2021.
Psilochara monevaensis [169]	Sp. nov	Valid	Sanjuan & Soulié-Märsche	Middle Miocene		Spain	A charophyte.
Qianshouia [170]	Gen. et sp. nov	Valid	Huang et al.	Late Devonian	Wutong Formation	China	A plant of uncertain phylogenetic placement, possibly a lycopsid or a sphenopsid. Genus includes new species Q. mira.
Scolecopteris minuta [171]	Sp. nov	In press	Wan et al.	Early Permian	Taiyuan Formation	China	A fern belonging to the group Marattiales.
Sigillaria pfefferkornii [172]	Sp. nov	In press	D'Antonio, Boyce & Wang	Permian (Asselian)		China
Sigillaria wudensis [172]	Sp. nov	In press	D'Antonio, Boyce & Wang	Permian (Asselian)		China
Sphaerochara miocenica [169]	Sp. nov	Valid	Sanjuan & Soulié-Märsche	Miocene		Lebanon Spain	A charophyte.
Thyrsopteris cretacea [173]	Sp. nov	Valid	Li et al.	Late Cretaceous (Cenomanian)	Burmese amber	Myanmar	A species of Thyrsopteris
Tomiostrobus sinensis [174]	Sp. nov	Valid	Feng in Feng et al.	Early Triassic (Induan)	Kayitou Formation	China	A member of the family Isoetaceae.
Tumidopteris astra [175]	Sp. nov	Valid	Naugolnykh	Permian (Roadian)	Pechora coal basin	Russia	A fern belonging to the family Gleicheniaceae.
Ufadendron elongatum [176]	Sp. nov	Valid	Tang et al.	Late Permian	Linxi	China	A lycopsid belonging to the family Tomiodendraceae
Uzhurodendron [177]	Gen. et sp. nov	Valid	Mosseichik & Filimonov	Carboniferous (Tournaisian)	Bystrianskaya	Russia ( Krasnoyarsk Krai)	A member of Lycopodiopsida. Genus includes new species U. asiaticum.
Zeilleria fosteri [178]	Sp. nov	Valid	Thomas et al.	Carboniferous (Bashkirian)		United Kingdom	A fern

General research

• A study on the evolutionary history of green plants is published by Nie et al. (2020). ^[179]
• Description of new fossil material of Yurtusia uniformis from the Cambrian Yanjiahe Formation (China) and a study on the phylogenetic relationships and possible life cycle of this organism is published by Shang et al. (2020), who consider Y. uniformis to be a likely green microalga. ^[180]
• A study on the phylogenetic relationships of extant and fossil complex thalloid liverworts (Marchantiidae) is published by Flores et al. (2020). ^[181]
• Evidence of development of dichotomous roots in euphyllophytes that were extant during the Devonian and Carboniferous periods is presented by Hetherington, Berry & Dolan (2020), who interpret their findings as indicating that dichotomous root branching evolved in both lycophytes and euphyllophytes. ^[182]
• An early land plant producing multiple spore size classes is described from the Lower Devonian Campbellton Formation (Canada) by Bonacorsi et al. (2020). ^[183]
• A study on the impact of the appearance and evolution of herbivorous tetrapods on the evolution of land plants from the Carboniferous to the Early Triassic is published by Brocklehurst, Kammerer & Benson (2020). ^[184]
• A study on the production of periderm in Late Paleozoic arborescent lycopsids is published by D'Antonio & Boyce (2020), who argue that these lycopsids did not grow from sporelings into large trees through the production of a periderm cylinder, because physiological limitations would have prohibited the production of thick periderm. ^[185]
• A study on the architecture and development of the Carboniferous arborescent lycopsid Paralycopodites is published by DiMichele & Bateman (2020). ^[186]
• New information on the anatomy of Weichselia reticulata is presented by Blanco-Moreno, Decombeix & Prestianni (2020). ^[187]
• A study on the phylogenetic placement of the extinct fern genus Coniopteris is published by Li et al. (2020). ^[188]
• New information on the morphology of Paleoazolla patagonica is presented by Benedetti et al. (2020), who evaluate the implications of this taxon for the knowledge of the evolution of water ferns. ^[189]
• A study aiming to determine which ferns were most likely to be the producers of Cyathidites spores from earliest Paleocene plant localities across western North America, and were most likely to be among the first plants in western North America to thrive in the immediate aftermath of the Cretaceous–Paleogene extinction event, is published by Berry (2020). ^[190]
• A study on the morphology and development of Genomosperma , and on its implications for the knowledge of the evolutionary origins of seed development, is published by Meade, Plackett & Hilton (2020). ^[191]
• A pollen organ resembling seed fern pollen organs Dictyothalamus and Melissiotheca is described from the Lopingian Umm Irna Formation (Jordan) by Zavialova et al. (2020), who interpret this finding as evidence of persistence of lyginopterid seed ferns until the late Permian. ^[192]
• Evidence of increasing atmospheric CO₂ concentration at the onset of the end-Triassic extinction event, based on data from fossil leaves of the seed fern Lepidopteris ottonis from southern Sweden, is presented by Slodownik, Vajda & Steinthorsdottir (2020), who confirm L. ottonis as a valid proxy for pCO₂ reconstructions. ^[193]
• A study on the anatomy of the seed cone scales of Krassilovia mongolica is published by Herrera et al. (2020), who argue that K. mongolica and Podozamites harrisii are the seed cones and leaves of the same extinct plant, and name a new family Krassiloviaceae within the order Voltziales. ^[194]
• A study on the microscopic wood anatomy of a fossil tree trunk of Agathoxylon arizonicum with the characteristic external features of a fire scar from the Upper Triassic Chinle Formation (Petrified Forest National Park, Arizona, United States) is published by Byers et al. (2020), who evaluate the implications of this specimen for the knowledge of the evolution of fire-adapted plant traits. ^[195]
• A putative bamboo "Chusquea" oxyphylla from the early Eocene Laguna del Hunco biota (Argentina) is reinterpreted as a conifer by Wilf (2020), who transfers this species to the genus Retrophyllum . ^[196]
• A study on evolutionary history of conifers as indicated by fossil and molecular data, aiming to determine whether the rise of angiosperms drove the decline of conifers and other gymnosperms, is published by Condamine et al. (2020). ^[197]
• Presence of secretory tissues is reported in extinct flowers from the Cretaceous amber from Myanmar and Cenozoic Dominican amber (including specimens preserved while in the process of emitting compounds) by Poinar & Poinar (2020). ^[198]
• Fossil pollen of flowering plants is reported from the Aptian and Albian of Australia by Korasidis & Wagstaff (2020), who evaluate the implications of their findings for the knowledge of the timing of the appearance and diversification of the flowering plants in the high-latitude southern basins of Australia. ^[199]
• A study on the morphology of palm and palm-like pollen from the Eocene Yaw Formation (Myanmar), and on the implications of these fossils for the knowledge of distribution and diversity of Eocene palms across the globe, is published by Huang et al. (2020). ^[200]
• Fossils fruits of Illigera eocenica , representing the second fossil occurrence of Illigera worldwide and the first in Asia, are described from the Eocene Niubao Formation (central Tibetan Plateau) by Wang et al. (2020), who evaluate the implications of this finding for the knowledge of the climate in the central Tibetan Plateau during the early middle Eocene, and for the knowledge of the floristic links between Asia and North America during the Paleogene. ^[201]
• A study on the morphology and phylogenetic relationships of Montsechia vidalii is published by Gomez et al. (2020). ^[202]
• Eocene leaves of members of the family Urticaceae with stinging trichomes are described from the Okanogan Highlands (British Columbia, Canada) by DeVore et al. (2020). ^[203]
• A revision of the fossil record of the family Nothofagaceae from South America is published by Pujana et al. (2020). ^[204]
• A study on the extinction of plants from south polar terrestrial ecosystems during the Permian–Triassic extinction event and on their recovery after this extinction event, based on data from the Sydney Basin (Australia), is published by Mays et al. (2020). ^[205]
• A study on the impact of ecological disturbances around the Permian–Triassic boundary (from the Wuchiapingian to Ladinian) on land plant communities is published by Nowak, Vérard & Kustatscher (2020). ^[206]
• A study on the age of the Paleogene Kanaka Creek fossil flora (Huntingdon Formation; British Columbia, Canada) and on its implications for reconstructions of the contemporaneous paleoclimate and paleoenvironment is published by Mathewes, Greenwood & Love (2020). ^[207]
• Evidence from Eocene plant fossils from the Bangong-Nujiang suture indicating that the Tibetan Plateau area hosted a diverse subtropical ecosystem approximately 47 million years ago and that this area was both low and humid at the time is presented by Su et al. (2020), who also report that the composition of this flora is similar to Early-Middle Eocene floras in both North America and Europe, but shows little affinity to Eocene floras from the Indian Plate. ^[208]
• A study aiming to estimate leaf dry mass per area in fossil plants from 22 western North American sites spanning the Eocene–Oligocene transition is published online by Butrim & Royer (2020), who evaluate the implications of their findings for the knowledge of the impact of the environmental changes occurring during the Eocene–Oligocene transition on leaf-economic strategies of plants. ^[209]
• A study on the Neogene paleobotanical record and climate in the northernmost part of the Central Andean Plateau, based on data from the Descanso Formation (Peru), is published by Martínez et al. (2020), who report the earliest evidence of a puna-like ecosystem in the Pliocene and a montane ecosystem without modern analogs in the Miocene. ^[210]
• Fossil fruits (mericarps) of the neoendemic Apiaceae Melanoselinum (≡ Daucus ) decipiens were reported from the lacustrine and fluvial sediments of Porto da Cruz, Madeira, dated 1.3 Ma, by Góis-Marques et al. 2020. ^[211] This paper not only reports the oldest Daucus s.l. fossil known to date but also the first fossil evidence of a plant with insular woodiness (see Island gigantism).
• The leaf fossil Mesodescolea plicata from the Early Cretaceous of Patagonia, first interpreted as a cycad with affinities with extant Stangeria, is reinterpreted as an angiosperm leaf with affinities with Austrobaileyales or Chloranthales by Coiro et al. 2020, ^[212] with implications for the evolution of leaf shape in the early radiation of the angiosperms.
• A study on the phylogenetic relationships of 10 Cretaceous flower taxa ( Chloranthistemon endressii, Dakotanthus cordiformis, Kajanthus lusitanicus, Mauldinia mirabilis, Microvictoria svitkoana, Paleoclusia chevalieri, Paradinandra suecica, Spanomera mauldiniensis, Tylerianthus crossmanensis and Virginianthus calycanthoides) is published by Schönenberger et al. (2020). ^[213]

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104. Martina Dolezych; Lutz Reinhardt (2020). "First evidence for the conifer Pinus, as Pinuxylon selmeierianum sp. nov., during the Paleogene on Wootton Peninsula, northern Ellesmere Island, Nunavut, Canada". Canadian Journal of Earth Sciences. 57 (1): 25–39. Bibcode:2020CaJES..57...25D. doi: 10.1139/cjes-2018-0163 .
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107. Josefina Bodnar; Eduardo M. Morel; Eliana P. Coturel; Daniel G. Ganuza (2020). "New plant fossil records and biostratigraphic analysis from the Uspallata Group (Late Triassic) at Cacheuta Hill, Cuyo Basin, west-central Argentina". Geobios. 60: 3–27. Bibcode:2020Geobi..60....3B. doi:10.1016/j.geobios.2020.04.002. S2CID   219762016.
108. Leyla J. Seyfullah; Emily A. Roberts; Alexander R. Schmidt; Eugenio Ragazzi; Ken B. Anderson; Daniel Rodrigues do Nascimento Jr.; Wellington Ferreira da Silva Filho; Lutz Kunzmann (2020). "Revealing the diversity of amber source plants from the Early Cretaceous Crato Formation, Brazil". BMC Evolutionary Biology. 20 (1): 107. Bibcode:2020BMCEE..20..107S. doi: 10.1186/s12862-020-01651-2 . PMC   7439571 . PMID   32819273. S2CID   221183260.
109. Serge V. Naugolnykh (2020). "Archaeopetalanthus progressus gen. et sp. nov. – a new representative of the vojnovskyopsid gymnosperms from the Carboniferous of Siberia (Russia)". Wulfenia . 27: 97–113.
110. Mário Miguel Mendes; Kaj Raunsgaard Pedersen; Else Marie Friis (2020). "Battenispermum hirsutum gen. et sp. nov., a new Early Cretaceous seed from Portugal with chlamydospermous organisation". Cretaceous Research. 109 104376. Bibcode:2020CrRes.10904376M. doi:10.1016/j.cretres.2020.104376. S2CID   213898064.
111. María A. Gómez; Gabriela G. Puebla; Mercedes B. Prámparo; Andrea B. Arcucci (2020). "Fossil seeds from the La Cantera Formation, Early Cretaceous, San Luis Province, Argentina". Acta Palaeobotanica. 60 (1): 181–198. doi: 10.35535/acpa-2020-0008 . hdl: 11336/145016 .
112. Domingas Maria da Conceição; Luiz Saturnino de Andrade; Rodrigo Neregato; Roberto Iannuzzi; Alexandra Crisafulli; Juan Carlos Cisneros (2020). "New petrified gymnosperms from the Permian of Maranhão (Pedra de Fogo Formation), Brazil: Ductolobatopitys nov. gen. and Kaokoxylon". Geobios. 60: 47–59. Bibcode:2020Geobi..60...47C. doi:10.1016/j.geobios.2020.04.003. S2CID   219737764.
113. Wei-Ming Zhou; Bi-Yun Chen; Wei Sun; Xue-Zhi He; Jason Hilton; Jun Wang (2020). "A new gigantopterid genus from the late Permian of the Daha Coalfield, Tibetan Plateau and its implication on plant-insect interactions". Historical Biology: An International Journal of Paleobiology. 33 (12): 3228–3240. doi:10.1080/08912963.2020.1860033. S2CID   234390424.
114. Sheng-Hui Deng; Xiao-Ju Yang; Zhi-Yan Zhou (2020). "A new Ginkgo from the Lower Cretaceous of Liaoning, Northeast China and its evolutionary implications". Review of Palaeobotany and Palynology. 283 104315. Bibcode:2020RPaPa.28304315D. doi:10.1016/j.revpalbo.2020.104315. S2CID   225031049.
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117. Heidi M. Anderson; Maria Barbacka; Marion K. Bamford; W. B. Keith Holmes; John M. Anderson (2020). "Dicroidium (foliage) and affiliated wood Part 3 of a reassessment of Gondwana Triassic plant genera and a reclassification of some previously attributed". Alcheringa: An Australasian Journal of Palaeontology. 44 (1): 64–92. Bibcode:2020Alch...44...64A. doi:10.1080/03115518.2019.1622779. S2CID   199109037.
118. Jana Čepičková; Jiří Kvaček (2020). "Two cycads Nilssonia mirovanae sp. nov. and Pseudoctenis babinensis J.Kvaček from the Cenomanian of the Bohemian Cretaceous Basin (the Czech Republic) as indicators of water stress in the palaeoenvironment". Fossil Imprint. 76 (2): 315–324. doi: 10.37520/fi.2020.025 .
119. Domingas Maria da Conceição; Alexandra Crisafulli; Roberto Iannuzzi; Rodrigo Neregato; Juan Carlos Cisneros; Luiz Saturnino de Andrade (2020). "New petrified gymnosperms from the Permian of Maranhão (Pedra de Fogo Formation), Brazil: Novaiorquepitys and Yvyrapitys". Review of Palaeobotany and Palynology. 276 104177. Bibcode:2020RPaPa.27604177D. doi:10.1016/j.revpalbo.2020.104177. S2CID   212954578.
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122. Anastasia Zolina; Lina Golovneva; Natalya Nosova; Alexander Grabovskiy (2020). "A new species of Phoenicopsis (Leptostrobales) from the Maastrichtian–Danian of Chukotka, Russia". Geobios. 63: 67–75. Bibcode:2020Geobi..63...67Z. doi:10.1016/j.geobios.2020.09.002. S2CID   228928283.
123. John G. Conran; Jennifer M. Bannister; Uwe Kaulfuss; Daphne E. Lee (2020). "Pterostoma neehoffii (cf. Zamiaceae): a new species of extinct cycad from the middle Miocene of New Zealand and an overview of fossil New Zealand cycads". New Zealand Journal of Botany. 58 (1): 30–47. Bibcode:2020NZJB...58...30C. doi:10.1080/0028825X.2019.1653939. S2CID   202847120.
124. Patrick Blomenkemper; Hans Kerp; Abdalla Abu Hamad; Benjamin Bomfleur (2020). "Contributions towards whole-plant reconstructions of Dicroidium plants (Umkomasiaceae) from the Permian of Jordan". Review of Palaeobotany and Palynology. 278 104210. Bibcode:2020RPaPa.27804210B. doi:10.1016/j.revpalbo.2020.104210. S2CID   216248477.
125. Yifan Hua; Xuelian Wang; Junlin Dong; Yanzhao Ji; Bainian Sun (2020). "A number of new seed fossils from the lower Permian of Gansu, Northwest China: implication for research on arils". Historical Biology: An International Journal of Paleobiology. 32 (8): 1098–1107. Bibcode:2020HBio...32.1098H. doi:10.1080/08912963.2019.1566323. S2CID   91993795.
126. Natalya Nosova (2020). "Female reproductive structures of Umaltolepis Krassilov and associated short shoots, buds and leaves of Pseudotorellia Florin from the Middle Jurassic of Angren, Uzbekistan". Review of Palaeobotany and Palynology. 281 104266. Bibcode:2020RPaPa.28104266N. doi:10.1016/j.revpalbo.2020.104266. S2CID   219437430.
127. Josef Pšenička; Jun Wang; Jason Hilton; Weiming Zhou; Jiří Bek; Stanislav Opluštil; Jana Votočková Frojdová (2020). "A small heterophyllous vine climbing on Psaronius and Cordaites trees in the earliest Permian forests of North China" (PDF). International Journal of Plant Sciences. 181 (6): 616–645. doi:10.1086/708814. S2CID   219926230.
128. Weiming Zhou; Shan Wan; Mingli Wan; Jason Hilton; Josef Pšenička; Jun Wang (2020). "Yangopteris ascendens (Halle) gen. et comb. nov., a climbing alethopterid pteridosperm from the Asselian (earliest Permian) Wuda Tuff Flora". Review of Palaeobotany and Palynology. 294 104282. doi:10.1016/j.revpalbo.2020.104282. S2CID   225462114.
129. Pedro Correia; Arden R. Bashforth; Zbynĕk Šimůnek; Christopher J. Cleal; Artur A. Sá; Conrad C. Labandeira (2020). "The history of herbivory on sphenophytes: a new calamitalean with an insect gall from the Upper Pennsylvanian of Portugal and a review of arthropod herbivory on an ancient lineage". International Journal of Plant Sciences. 181 (4): 387–418. doi:10.1086/707105. S2CID   214292984.
130. Ruiyun Li; Xiaoqiang Li; Xuelian Wang; Bainian Sun (2020). "First fossil liverwort with in situ flask-shaped receptacles from the Lower Cretaceous of Inner Mongolia, China". Cretaceous Research. 119 104684. doi:10.1016/j.cretres.2020.104684. ISSN   0195-6671. S2CID   226314562.
131. Xiao-Yuan He; Shi-Jun Wang; Jason Hilton; Jean Galtier; Hong-Guan Jiang (2020). "An advanced species of the fern Botryopteris Renault from the Permian of southwestern China" (PDF). Review of Palaeobotany and Palynology. 273 104136. Bibcode:2020RPaPa.27304136H. doi:10.1016/j.revpalbo.2019.104136. S2CID   210266014.
132. L. B. Golovneva; A. A. Grabovskiy; A. A. Zolina (2020). "A new species of the genus Birisia (Dicksoniaceae) from the lower–middle Albian deposits of Southern Primorye, Far East of Russia". Palaeobotany. 11: 74–95. doi:10.31111/palaeobotany/2020.11.74. S2CID   245112234.
133. Barry A. Thomas (2020). "A new species of leafy calamite stem from the Pennsylvanian (Bolsovian) of the South Wales Coalfield". Acta Palaeobotanica. 60 (1): 207–211. doi: 10.35535/acpa-2020-0010 . hdl: 2160/cd78c623-2a50-4c65-a758-7207027deacd .
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135. Jordi Pérez-Cano; Telm Bover-Arnal; Carles Martín-Closas (2020). "Barremian charophytes from the Maestrat Basin". Cretaceous Research. 115. doi:10.1016/j.cretres.2020.104544. hdl: 2445/171586 . S2CID   224875084.
136. Jan Hinkelman; Lucia Vršanská (2020). "A Myanmar amber cockroach with protruding feces contains pollen and a rich microcenosis". The Science of Nature. 107 (2) 13. Bibcode:2020SciNa.107...13H. doi:10.1007/s00114-020-1669-y. PMID   32125545. S2CID   211730431.
137. Patricio Emmanuel Santamarina; Viviana Dora Barreda; Ari Iglesias; Augusto Nicolás Varela (2020). "Palynology from the Cenomanian Mata Amarilla Formation, southern Patagonia, Argentina". Cretaceous Research. 109 104354. Bibcode:2020CrRes.10904354S. doi:10.1016/j.cretres.2019.104354. S2CID   212976442.
138. Ioan I. Bucur; Sylvain Rigaud; Nicolò Del Piero; Andrea Fucelli; Eric Heerwagen; Camille Peybernes; Giovan Peyrotty; Christian Verard; Jérôme Chablais; Rossana Martini (2020). "Upper Triassic calcareous algae from the Panthalassa Ocean". Rivista Italiana di Paleontologia e Stratigrafia. 126 (2): 499–540. doi:10.13130/2039-4942/13681.
139. Xiu-Cai Yuan; Cong-Hui Xiong; Fan-Kai Sun; Zi-Xi Wang; Teng Mao; Yi-Jie Li; Chun-Hui Liu; Ming-Xuan Sun; Jun-Ling Dong; Bai-Nian Sun (2020). "The geological significance of a new species of Coniopteris from the Middle Jurassic of northwestern China". Historical Biology: An International Journal of Paleobiology. 32 (2): 267–280. Bibcode:2020HBio...32..267Y. doi:10.1080/08912963.2018.1488251. S2CID   89752285.
140. Barry A. Thomas; Christopher J. Cleal (2020). "The nomenclature of fossil-taxa representing different preservational states: Lepidodendron as a case-study". Taxon. 69 (5): 1052–1061. doi:10.1002/tax.12291. S2CID   225235565.
141. Yang Yu; San-Ping Xie; John Devaney; Si-Hang Zhang; Tian-Yu Chen; Xu Zeng; Bing Wang; Yu Zhang (2020). "A new species of Drynaria (Polypodiaceae) from the late Miocene of Yunnan, Southwest China and implications on the genus evolution" (PDF). Palaeobiodiversity and Palaeoenvironments. 100 (4): 939–949. Bibcode:2020PdPe..100..939Y. doi:10.1007/s12549-020-00429-0. S2CID   219730737.
142. Li Zhang; Yong Wang; Hong-Yu Chen; Lei Han; Yu-Xin Zhang; Wen-Jia Li; Tao Yang; Hao-Jian Wang; Lin Bao; De-Fei Yan (2020). "New fossil material of Equicalastrobus (Equisetales) and associated leaves from the Late Triassic of Baojishan basin, Gansu Province, China". Historical Biology: An International Journal of Paleobiology. 33 (9): 1522–1533. doi:10.1080/08912963.2020.1716747. S2CID   213295920.
143. Aye Thida Aung; Jian Huang; Truong Van Do; Ai Song; Jia Liu; Zhe-Kun Zhou; Tao Su (2020). "Three new fossil records of Equisetum (Equisetaceae) from the Neogene of south-western China and northern Vietnam". PhytoKeys (138): 3–15. doi: 10.3897/phytokeys.138.38674 . PMC   6969027 . PMID   31988601.
144. Branko Sokač; Tonći Grgasović (2020). "New dasycladalean alga with unusual two types of laterals from the Palaocene deposits of Konavle, SE of Dubrovnik (Dinarides, Croatia)". Revue de Micropaléontologie. 69 100464. Bibcode:2020RvMic..6900464S. doi:10.1016/j.revmic.2020.100464. S2CID   226343559.
145. Ya Li; Yong-Dong Wang; Harald Schnerder; Peng-Cheng Wu (2020). "Frullania partita sp. nov. (Frullaniaceae, Porellales), a new leafy liverwort from the mid-Cretaceous of Myanmar". Cretaceous Research. 108 104341. Bibcode:2020CrRes.10804341L. doi:10.1016/j.cretres.2019.104341. S2CID   213553976.
146. Yuriy S. Mamontov; John J. Atwood; Evgeny E. Perkovsky; Michael S. Ignatov (2020). "Hepatics from Rovno amber (Ukraine): Frullania pycnoclada and a new species, F. vanae". The Bryologist. 123 (3): 421–430. doi:10.1639/0007-2745-123.3.421. S2CID   225406886.
147. Fearghus R. McSweeney; Jeff Shimeta; John St. J. S. Buckeridge (2020). "Two new genera of early Tracheophyta (Zosterophyllaceae) from the upper Silurian–Lower Devonian of Victoria, Australia". Alcheringa: An Australasian Journal of Palaeontology. 44 (3): 379–396. Bibcode:2020Alch...44..379M. doi:10.1080/03115518.2020.1744725. S2CID   218993880.
148. Kelly C. Pfeiler; Alexandru M. F. Tomescu (2020). "An Early Devonian actinostelic euphyllophyte with secondary growth from the Emsian of Gaspé (Canada) and the importance of tracheid wall thickening patterns in early euphyllophyte systematics". Papers in Palaeontology. 7 (2): 1081–1095. doi:10.1002/spp2.1335. S2CID   225425418.
149. Weiming Zhou; Josef Pšenička; Jiří Bek; Mingli Wan; C. Kevin Boyce; Jun Wang (2020). "A new anachoropterid fern from the Asselian (Cisuralian) Wuda Tuff Flora". Review of Palaeobotany and Palynology. 294 104346. doi:10.1016/j.revpalbo.2020.104346. S2CID   228855095.
150. Steven T. LoDuca; Anthony L. Swinehart; Matthew A. LeRoy; Denis K. Tetreault; Shawn Steckenfinger (2020). "Codium-like taxa from the Silurian of North America: morphology, taxonomy, paleoecology, and phylogenetic affinity". Journal of Paleontology. 95 (2): 207–235. doi:10.1017/jpa.2020.85. S2CID   228938523.
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158. Silvia Gnaedinger; Bárbara Cariglino; Ana María Zavattieri; Mariana Monti; Pedro R. Gutiérrez (2020). "Neoarthropitys gondwanaensis gen. et sp. nov. from the Middle Triassic of Gondwana: An intermediate stage in the anatomical trend of Equisetalean stems". Review of Palaeobotany and Palynology. 282 104298. Bibcode:2020RPaPa.28204298G. doi:10.1016/j.revpalbo.2020.104298. S2CID   225347405.
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160. Ana M. Zavattieri; Pedro R. Gutiérrez; Mariana Monti (2020). "Middle Triassic freshwater green algae and fungi of the Puesto Viejo Basin, central-western Argentina: palaeoenvironmental implications". Alcheringa: An Australasian Journal of Palaeontology. 44 (3): 430–459. Bibcode:2020Alch...44..430Z. doi:10.1080/03115518.2020.1749302. S2CID   219519003.
161. Li Liu; Josef Pšenička; Jiří Bek; Mingli Wan; Hermann W. Pfefferkorn; Jun Wang (2020). "A whole calamitacean plant Palaeostachya guanglongii from the Asselian (Permian) Taiyuan Formation in the Wuda Coalfield, Inner Mongolia, China". Review of Palaeobotany and Palynology. 294 104245. doi:10.1016/j.revpalbo.2020.104245. S2CID   219017989.
162. Ruiyun Li; Xiaoqiang Li; Shenghui Deng; Bainian Sun (2020). "Morphology and microstructure of Pellites hamiensis nov. sp., a Middle Jurassic liverwort from northwestern China and its evolutionary significance". Geobios. 62: 23–29. Bibcode:2020Geobi..62...23L. doi:10.1016/j.geobios.2020.07.003. S2CID   225500594.
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170. Pu Huang; Le Liu; Lu Liu; Min Qin; De-Ming Wang; Jin-Zhuang Xue (2020). "A new plant with novel leaves from the Upper Devonian of Zhejiang Province, China". Palaeoworld. 29 (4): 695–705. doi:10.1016/j.palwor.2020.03.003. S2CID   216265575.
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