1952 in paleobotany

Last updated

This paleobotany list records new fossil plant taxa that were to be described during the year 1952, as well as notes other significant paleobotany discoveries and events which occurred during 1952.

Contents

Mosses

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Archaeomnium arnoldianum [1]

Comb nov

jr synonym

(Steere) LaMotte

Miocene

"Carter Creek"

Flag of the United States.svg United States
Flag of Oregon.svg Oregon

A moss.
Moved from Palaeohypnum arnoldianum (1947)
Moved to Hypnites arnoldianum in 1980 [2]

Archaeomnium brittoniae [1]

Comb nov

jr synonym

(Steere) LaMotte

Miocene

Latah Formation

Flag of the United States.svg United States
Flag of Washington.svg Washington

A moss.
Moved from Palaeohypnum brittoniae (1947)
Moved to Hypnites brittoniae in 1980 [2]

Archaeomnium brownii [1]

Comb nov

jr synonym

(Kirchner) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg United States
Flag of Colorado.svg Colorado

A moss.
Moved from Palaeohypnum brownii (1947)
First named Hypnum brownii (1898)
Moved to Hypnites brownii in 1980 [2]

Archaeomnium knowltoni [1]

Comb nov

jr synonym

(E. G. Britton) LaMotte

Eocene

Roslyn Formation

Flag of the United States.svg United States
Flag of Washington.svg Washington

A moss.
Moved from Palaeohypnum knowltoni (1947)
First named Rhynchostegium knowltoni (1899)
Moved to Hypnites knowltoni in 1980 [2]

Ferns

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Athyrium crossii [1]

Comb nov

(Knowlton) LaMotte

Paleocene

Denver Formation

Flag of the United States.svg United States
Flag of Colorado.svg Colorado

Diplaiium mulleri (1874)

A lady fern species.
Moved from Diplazium crossii (1930)
First named Asplenium (Diplaiium) crossii (1890)

Cyathea branneri [1]

Comb nov

(Hollick & Berry) LaMotte

"Tertiary"

Flag of Brazil.svg Brazil

A tree fern species.
Moved from Hemitelia branneri (1924)

Cyathea pinnata [1]

Comb nov

jr synonym

(MacGinitie) LaMotte

Eocene

Ione Formation

Flag of the United States.svg United States
Flag of California.svg California

A tree fern species.
Moved from Hemitelia pinnata (1941)
Synonymized into Cyathea inequilateralis in 1977 [3]

Cyathea inequilateralis Cyathea inequilateralis SRIC img2.jpg
Cyathea inequilateralis

Dryopteris claiborniana [1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

Flag of the United States.svg United States
Flag of Louisiana.svg Louisiana

A wood fern species
Moved from Goniopteris claiborniana (1917)

Dryopteris escheri [1]

Comb nov

(Heer) LaMotte

Miocene

Flag of Switzerland (Pantone).svg  Switzerland

A wood fern species
Moved from Aspidium escheri (1855)

Dryopteris guyottii [1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg United States
Flag of Colorado.svg Colorado

A wood fern species
Moved from Phegopteris guyottii (1908)
First named Sphenopteris guyottii (1883)

Dryopteris heerii [1]

Comb nov

(Ettingshausen) LaMotte

A wood fern species
Moved from Aspidium heerii (1865)

Dryopteris lesquereuxi [1]

Comb nov

(Berry) LaMotte

Eocene

Lysite Formation

Flag of the United States.svg United States
Flag of Wyoming.svg Wyoming

A wood fern species
Moved from Goniopteris lesquereuxi (1932)

Dryopteris ursinum [1]

Comb nov

(Unger) LaMotte

Miocene

Flag of Switzerland (Pantone).svg  Switzerland

A wood fern species
Moved from Lastrea (Phegopteris) stiriaca (1855)

Dryopteris ursinum [1]

Comb nov

(Heer) LaMotte

Paleocene

Flag of Greenland.svg Greenland

A wood fern species
Moved from Aspidium ursinum (1869)

Cycadophytes

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Ctenis hamiltonensis [1]

Comb nov

(Hollick) LaMotte

Paleocene/Eocene

"Hamilton Bay flora"

Flag of the United States.svg USA
Flag of Alaska.svg Alaska

A Ctenis species.
Moved from Anthrophyopsis hamiltonensis (1936) [4]

Zamites pollardi [1]

Comb nov

(Hollick) LaMotte

Paleocene

Fort Union Formation

Flag of the United States.svg USA
Flag of Wyoming.svg Wyoming

A Zamites species morphospecies.
Moved from Magnolia (?) pollardi (1899)

Conifers

Cupressaceae

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Callitris helvetica [1]

Comb nov

(Heer) LaMotte

Miocene

Flag of Switzerland (Pantone).svg  Switzerland

A Callitris species.
Moved from Widdringtonia helvetica (1855)

Juniperus linguaefolia [1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A juniper species.
Moved from Sabina linguaefolia (1908)
First described as Widdringtonia linguaefolia (1883)

Thuja naujatica [1]

Comb et sp nom nov

(Heer) LaMotte

Paleocene

Flag of Denmark.svg Denmark
Flag of Greenland.svg Greenland

A hiba species.
New species name for Thujopsis gracilis (1920)
First described as Thuja (Thujopsis) gracilis (Heer) (1883)


Flowering plants

Nymphales

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Nymphaea leei [1]

Comb nov

(Knowlton) LaMotte

Paleocene

Raton Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A waterlily species
First described as Castalia leei (1917)

Nymphaea pulchella [1]

Comb nov

(Knowlton) LaMotte

Paleocene

Dawson Arkose

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A waterlily species
First described as Castalia pulchella (1930)

Magnoliids

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Beilschmiedia portoricensis [1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shale

Flag of the United States.svg USA
Flag of Puerto Rico.svg Puerto Rico

A Beilschmiedia species.
Moved from Hufetandta portoricensis (1928)
First named Aniba portoricensis (1928)

Laurophyllum grandis [1]

Comb nov

(Lesquereux) LaMotte

Miocene

Neroly Formation

Flag of the United States.svg USA
Flag of California.svg California

A lauraceous species.
Moved from Laurus grandis (1883)

Lindera antiqua [1]

Comb nov

(Heer) LaMotte

Miocene

Flag of Switzerland (Pantone).svg  Switzerland

A spicewood species
First described as Benzoin antiquum (1856)

Lindera dilleri [1]

Comb nov

(Knowlton) LaMotte

Miocene

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

A spicewood species
First described as Benzoin dilleri (1900)

Litsea lamarensis [1]

Comb nov

(Knowlton) LaMotte

Eocene

Flag of the United States.svg USA
Flag of Wyoming.svg Wyoming

A Litsea species
First described as Malapoenna lamarensis (1899)

Litsea lata [1]

Comb nov

jr synonym

(MacGinitie) LaMotte

Eocene

Ione Formation

Flag of the United States.svg USA
Flag of California.svg California

A lauraceous relative
First described as Neolitsea lata (1941)
Moved to Cinnamomophyllum latum in 1977 [3]

Cinnamomophyllum latum Cinnamomophyllum latum hypotype USNM 38914.png
Cinnamomophyllum latum

Litsea praecursoria [1]

Comb nov

(Lesquereux) LaMotte

Paleocene

Fort Union Formation

Flag of the United States.svg USA
Flag of North Dakota.svg North Dakota

A lauraceous relative
First described as Tetranthera praecursoria (1883)

Litsea sagittata [1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

A Litsea species
First described as Malapoenna sagittata (1939)

Litsea sessiliflora [1]

Comb nov

(Lesquereux) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

A Litsea species
Moved from Malapoenna sessiliflora (1898)
First described as Laurus sessiliflora (1874)

Litsea texensis [1]

Comb nov

(Ball) LaMotte

Eocene

Indio Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

A Litsea species
First described as Malapoenna sagittata (1931)

Ocotea alia [1]

Sp nom nov

LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Arkansas.svg Arkansas

An Ocotea species
A replacement name for Mespilodaphne coushatta (Berry, 1916) (1916)

Ocotea athenensis [1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Mespilodaphne athenensis (1939)

Ocotea attenuata [1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Mespilodaphne attenuata (1939)

Ocotea berryana [1]

Sp nom nov

LaMotte

Eocene

Lagrange Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

An Ocotea species
A replacement name for Mespilodaphne puryearensis (Berry, 1916) (1916)

Ocotea brazosensis [1]

Comb nov

(Ball) LaMotte

Eocene

Fayette Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Oreodaphne brazosensis (1924)

Ocotea caudata [1]

Comb nov

(Berry) LaMotte

Eocene

Mount Selman Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Mespilodaphne caudata (1924)
Includes one subspecies moved from M. c. major

Ocotea collazoensis [1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shales

Flag of the United States.svg USA
Flag of Puerto Rico.svg Puerto Rico

An Ocotea species
Moved from Aniba collazoensis (1928)

Ocotea coloradensis [1]

Comb nov

(Brown) LaMotte

Eocene

Green River Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

An Ocotea species
Moved from Oreodaphne coloradensis (1934)

Ocotea columbiana [1]

Comb nov

(Hollick) LaMotte

Eocene

Lisbon Formation

Flag of the United States.svg USA
Flag of Mississippi.svg Mississippi

An Ocotea species
Moved from Mespilodaphne columbiana (1924)

Ocotea coushatta [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Louisiana.svg Louisiana

An Ocotea species
Moved from Oreodaphne coushatta (1916)

Ocotea culebrensis [1]

Comb nov

(Berry) LaMotte

Oligocene

Culebra Formation

Flag of Panama.svg Panama

An Ocotea species
Moved from Mespilodaphne columbiana (1924)

Ocotea eolignitica [1]

Comb nov

(Hollick) LaMotte

Eocene

Flag of the United States.svg USA
Flag of Louisiana.svg Louisiana

An Ocotea species
Moved from Mespilodaphne eolignitica (1916)
First named Andromeda eolignitica (1899)

Ocotea hispanioiana [1]

Comb nov

(Berry) LaMotte

Miocene

Arbitonite Group

Flag of Haiti.svg Haiti

An Ocotea species
Moved from Mespilodaphne hispanioiana (1922)

Ocotea inequilateralis [1]

Comb nov

(Berry) LaMotte

Eocene

Gosport Formation

Flag of the United States.svg USA
Flag of Alabama.svg Alabama

An Ocotea species
Moved from Mespilodaphne inequilateralis (1924)

Ocotea intermedia [1]

Comb nov

(Berry) LaMotte

Eocene

Holly Springs Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

An Ocotea species
Moved from Mespilodaphne intermedia (1930)

Ocotea lancifolia [1]

Comb nov

(Lesquereux) LaMotte

Eocene
Ypresian

Holly Springs Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

An Ocotea species
Moved from Oreodaphne lancifolia (1934)
First described as Sapindus lancifolius (1883)

Ocotea lithaeformis [1]

Comb nov

(Lesquereux) LaMotte

Flag of the United States.svg USA
Flag of California.svg California

An Ocotea species
Moved from Mespilodaphne lithaeformis (1888)

Ocotea mississippiensis [1]

Comb nov

(Berry) LaMotte

Eocene

Holly Springs Formation

Flag of the United States.svg USA
Flag of Mississippi.svg Mississippi

An Ocotea species
Moved from Mespilodaphne lithaeformis (1916)

Ocotea obtusifolia [1]

Comb nov

(Berry) LaMotte

Eocene

Holly Springs Formation

Flag of the United States.svg USA
Flag of Mississippi.svg Mississippi

An Ocotea species
Moved from Oreodaphne obtusifolia (1916)

Ocotea pagosensis [1]

Comb nov

(Hollick) LaMotte

Paleocene

Animas Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

An Ocotea species
Moved from Oreodaphne pagosensis (1924)

Ocotea palomarensis [1]

Comb nov

(Berry) LaMotte

Miocene

Flag of Mexico.svg Mexico
Flag of Oaxaca.svg Oaxaca

An Ocotea species
Moved from Mespilodaphne obtusifolia (1923)

Ocotea perseaformis [1]

Comb nov

(Ball) LaMotte

Eocene

Indio Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Oreodaphne perseaformis (1939)

Ocotea praefracta [1]

Comb nov

(Ball) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Oreodaphne praefracta (1939)

Ocotea precoushatta [1]

Comb nov

(Berry) LaMotte

Eocene

Indio Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Mespilodaphne perseaformis (1924)

Ocotea pseudoglauca [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Louisiana.svg Louisiana

An Ocotea species
Moved from Mespilodaphne pseudoglauca (1916)

Ocotea pseudoguianensis [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Louisiana.svg Louisiana

An Ocotea species
Moved from Mespilodaphne pseudoguianensis (1916)

Ocotea puryearensis [1]

Comb nov

(Berry) LaMotte

Eocene

Ackerman Formation

Flag of the United States.svg USA
Flag of Mississippi.svg Mississippi

An Ocotea species
Moved from Oreodaphne pseudoguianensis (1916)

Ocotea (?) ratonensis [1]

Comb nov

(Hollick) LaMotte

Paleocene

Raton Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

An Ocotea species
Moved from Oreodaphne (?) ratonensis (1917)

Ocotea ripariafolia [1]

Comb nov

(Berry) LaMotte

Miocene

Forest Clay Formation

Flag of Trinidad and Tobago.svg Trinidad and Tobago
Flag of Trinidad and Tobago.svg Trinidad

An Ocotea species
Moved from Aniba ripariafolia (1937)

Ocotea salinensis [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Arkansas.svg Arkansas

An Ocotea species
Moved from Oreodaphne salinensis (1916)

Ocotea tertiaria [1]

Comb nov

(Berry) LaMotte

Flag of Costa Rica.svg Costa Rica

An Ocotea species
Moved from Goeppertia tertiaria (1921)

Ocotea texana (Berry) [1]

Comb nov

Homonym

(Berry) LaMotte

Eocene

Fayette Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Mespilodaphne texana (1924)
Homonym with Ocotea texana (Ball)

Ocotea texana (Ball) [1]

Comb nov

Homonym

(Ball) LaMotte

Eocene

Indio Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

An Ocotea species
Moved from Oreodaphne texana (1931)
Homonym with Ocotea texana (Berry)

Ocotea viridiflumensis [1]

Comb nov

(Knowlton) LaMotte

Eocene

Green River Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

An Ocotea species
Moved from Oreodaphne coloradensis (1923)

Ocotea wilcoxensis [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

An Ocotea species
Moved from Oreodaphne wilcoxensis (1916)

Sassafras quilchenensis [1]

Sp nom nov

LaMotte

Eocene
Ypresian

Eocene Okanagan Highlands
Coldwater Beds

Flag of Canada (Pantone).svg Canada
Flag of British Columbia.svg British Columbia

A Sassafras species
A new name for Sassafras cretaceum (Penhallow) (1906)

Umbellularia saliciformis [1]

Comb nov

(Knowlton & Cockerell) LaMotte

Miocene

Neroly Formation

Flag of the United States.svg USA
Flag of California.svg California

A California bay species
Moved from Laurus saliciformis (1919)
First named Laurus salicifolia (Lesquereux) (1883)
L. salicifolia a jr homonym of Laurus salicifolia (Banks & Solander)

Monocots

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Cyperacites islandicus [1]

Comb nov

(Heer) LaMotte

Paleocene

Flag of Iceland.svg Iceland

A Cyperacites morphospecies
Moved from Cyperites islandicus (1868)

Exflabellaria [1]

Gen et 4 comb nov

Jr synonym

LaMotte

A palm leaf morphogenus
Replacement genus for the homonym Flabellaria (Sternberg) (1822)
Jr synonym of Palmacites
Contained Flabellaria alaskana , [4] F. groenlandica , F. johnstrupi , & F. latania

Potamogeton orbus [1]

Sp nom nov

LaMotte

Miocene

Latah Formation

Flag of the United States.svg USA
Flag of Washington.svg Washington

A possible pond weed species
New name for referred "Potamogeton heterophylloides" fossils
P. heterophylloides type specimens moved to Keteleeria heterophylloides (1940)

Basal eudicots

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Nelumbium crossii [1]

Comb nov

(Knowlton) LaMotte

Paleocene

Arapahoe Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A lotus relative.
Moved from Nelumbo crossii (1930)

Nelumbium protolutea [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Mississippi.svg Mississippi

A lotus relative.
Moved from (1949)
Nelumbites protoluteus First named Nelumbo protolutea (1917)

Core Eudicots

Superasterids

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Achras agnitionalis [1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shale

Flag of the United States.svg USA
Flag of Puerto Rico.svg Puerto Rico

A Manilkara species.
Moved from Sapota agnitionalis (1928)

Arbutus xalapoldes [1]

Sp nom nov

LaMotte

Pliocene

Flag of the United States.svg USA
Flag of California.svg California

A madrone.
New name for "Arbutus prexalapensis" (1950) madrone fossils
Type material of A. prexalapensis moved to other species

Ardisia prepaniculata [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A marlberry species.
Moved from Icacorea prepaniculata (1916)

Ardisia prisca [1]

Comb nov

(Hollick) LaMotte

Miocene

Collazo Shale

Flag of the United States.svg USA
Flag of Puerto Rico.svg Puerto Rico

A marlberry species.
Moved from Icacorea prisca (1924)

Asclepias fructifer [1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A milkweed species.
Moved from Acerates fructifer (1908)

Asclepias veterana [1]

Comb nov

(Heer) LaMotte

Miocene

Flag of Switzerland (Pantone).svg  Switzerland

A milkweed species.
Moved from Acerates veterana (1859)

Asclepias wilcoxiana [1]

Comb nov

(Berry) LaMotte

Eocene

Wilcox Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A milkweed species.
Moved from Acerates wilcoxiana (1930)

Coccoloba chapini [1]

Comb nov

(Hollick) LaMotte

Paleocene/Eocene

Matanuska coal field

Flag of the United States.svg USA
Flag of Alaska.svg Alaska

A Coccoloba species.
Moved from Coccolobis chapini (1936) [4]

Coccoloba claibornensis [1]

Comb nov

(Berry) LaMotte

Eocene

Gosport Formation

Flag of the United States.svg USA
Flag of Alabama.svg Alabama

A Coccoloba species.
Moved from Coccolobis claibornensis (1924)

Coccoloba columbianus [1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

Flag of the United States.svg USA
Flag of Louisiana.svg Louisiana

A Coccoloba species.
Moved from Coccolobis columbianus (1924)

Coccoloba eolignitica [1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A Coccoloba species.
Moved from Coccolobis columbianus (1916)

Coccoloba uviferafolia [1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A Coccoloba species.
Moved from Coccolobis uviferafolia (1916)

Cryptantha auriculata [1]

Comb nov

(Elias) LaMotte

Pliocene

Ogallala Formation

Flag of the United States.svg USA
Flag of Kansas.svg Kansas

A Cryptantha species.
Moved from Krynitikia auriculata (1932)

Cryptantha chaneyi [1]

Comb nov

(Elias) LaMotte

Pliocene

Ogallala Formation

Flag of the United States.svg USA
Flag of Kansas.svg Kansas

A Cryptantha species.
Moved from Krynitzkia (Oreocarya) chaneyi (1932)

Cryptantha coroniformis [1]

Comb nov

(Elias) LaMotte

Pliocene

Ogallala Formation

Flag of the United States.svg USA
Flag of Kansas.svg Kansas

A Cryptantha species.
Moved from Krynitzkia (Oreocarya) coroniformis (1932)

Gonolobus (?) trinervatus [1]

Comb nov

(MacGinitie) LaMotte

Miocene

Trout Creek Flora

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

An asclepiadoid milkweed family species
Moved from Vincetoxicum (?) trinervata (1933)

Halesia inopinum [1]

Comb nov

(Hollick) LaMotte

Paleocene

Berg lake Formation

Flag of the United States.svg USA
Flag of Alaska.svg Alaska

A snowdrop tree species
Moved from Mohrodendron inopinum (1936) [4]

Leiophyllum pleistocenicum [1]

Comb nov

(Berry) LaMotte

Pleistocene

Flag of the United States.svg USA
Flag of North Carolina.svg North Carolina

A sandmyrtle species
First described as Dendrium pleistocenicum (1907)

Viburnum comstocki [1]

Comb nov

(Sanborn) LaMotte

Eocene

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

A Viburnum species
First described as Mallotus comstocki (1935)

Superrosids

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Acer (Negundo) decurrens [1]

Comb nov

(Lesquereux) LaMotte

Paleocene

Denver Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A maple.
Moved from Negundo decurrens (1888)

Acer (Negundo) fremontensis [1]

Comb nov

(Berry) LaMotte

Eocene

Bridger Formation

Flag of the United States.svg USA
Flag of Wyoming.svg Wyoming

A maple.
Moved from Negundo fremontensis (1930)

Acer negundifolium [1]

Comb nov

(Dawson) LaMotte

Eocene
(Ypresian)

Eocene Okanagan Highlands
Stump lake

Flag of Canada (Pantone).svg Canada
Flag of British Columbia.svg British Columbia

A possible maple.
Moved from Acerites negundifolium (1891)

Acer orbum [1]

Sp nom nov

LaMotte

Eocene

Ione Formation

Flag of the United States.svg USA
Flag of California.svg California

A maple.
New name for Acer aequidentatum maple fossils
A. aequidentatum type fossils moved to Platanus appendiculata

Acer (Negundo) triloba [1]

Comb nov

(Newberry) LaMotte

Paleocene

Fort Union Formation

Flag of the United States.svg USA
Flag of North Dakota.svg North Dakota

A maple.
Moved from Negundo triloba (1868)

Acer tuckeri [1]

Comb nov

(Smith) LaMotte

Pliocene

"Hog Creek"

Flag of the United States.svg USA
Flag of Idaho.svg Idaho

A maple.
Moved from Engdhardtia tuckeri (1938)

Canarium leonis [1]

Comb nov

(Cockerell) LaMotte

Eocene

Ione Formation

Flag of the United States.svg USA
Flag of California.svg California

A Canarium species.
Moved from Juglans leonis (1908)

Carya bartoni [1]

Comb nov

(Ball) LaMotte

Eocene

Flag of the United States.svg USA
Flag of Texas.svg Texas

A hicory species.
Moved from Hicoria bartoni (1931)

Carya biacuminata [1]

Comb nov

(Perkins) LaMotte

Eocene

Brandon lignites

Flag of the United States.svg USA
Flag of Vermont.svg Vermont

A hicory species.
Moved from Hicoria biacuminata (1904)

Carya crescentia [1]

Comb nov

(Knowlton) LaMotte

Paleocene

Flag of the United States.svg USA
Flag of Wyoming.svg Wyoming

A hickory species.
Moved from Hicoria crescentia (1899)

Carya culveri [1]

Comb nov

(Knowlton) LaMotte

Paleocene

Flag of the United States.svg USA
Flag of Wyoming.svg Wyoming

A hickory species.
Moved from Hicoria culveri (1899)

Carya dawsoni [1]

Comb nov

valid

(Berry) LaMotte

Early Eocene
(Ypresian)

Okanagan Highlands
Chu Chua Formation

Flag of Canada (Pantone).svg Canada
Flag of British Columbia.svg British Columbia

A hickory.
Moved from Hicoria dawsoni (1962)

Carya dentata [1]

Comb nov

(Knowlton) LaMotte

Paleocene

Flag of the United States.svg USA
Flag of Wyoming.svg Wyoming

A hickory species.
Moved from Hicoria culveri (1899)

Carya jacksoniana [1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

A hickory species.
Moved from Hicoria jacksoniana (1924)

Carya juxtaporipites [1]

Comb nov

(Berry) LaMotte

Eocene
Ypresian

Green River Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A hickory species.
Moved from Hicoria juxtaporipites (1933)

Carya (?) oregoniana [1]

Comb nov

(Knowlton) LaMotte

Eocene

Clarno Formation

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

A hickory species.
Moved from Hicoria (?) oregoniana (1902)

Carya orientalis [1]

Comb nov

(Chaney) LaMotte

Oligocene

Eagle Creek flora

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

A hickory species.
Moved from Hicoria orientalis (1920)

Carya pretexana [1]

Comb nov

(Berry) LaMotte

Pliocene

Citronelle Formation

Flag of the United States.svg USA
Flag of Alabama.svg Alabama

A hickory species.
Moved from Hicoria pretexana (1916)

Carya princetoniana [1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A hickory species.
Moved from Hicoria princetoniana (1908)

Carya rostrataformis [1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A hickory species.
Moved from Hicoria rostrataformis (1924)

Carya stanleyanum [1]

Comb nov

valid

(Dawson) LaMotte

Early Eocene
(Ypresian)

Huntingdon Formation

Flag of Canada (Pantone).svg Canada
Flag of British Columbia.svg British Columbia

A hickory.
Moved from Hicoria dawsoni (1962)
First named Dryophyllum stanleyanum (1895)

Carya williamsi [1]

Comb nov

(Chaney) LaMotte

Oligocene

Eagle Creek flora

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

A hickory species.
Moved from Hicoria williamsi (1920)

Celtis americana [1]

Comb nov

(Berry) LaMotte

Eocene

McBean Formation

Flag of the United States.svg USA
Flag of Georgia.svg Georgia

Mimosa americana (1919)

A Celtis species.
Moved from Momisia americana (1914)

Cercidiphyllum piperoides [1]

Comb nov

(Lesquereux) LaMotte

Eocene

Ione Formation

Flag of the United States.svg USA
Flag of California.svg California

A katsura species.
Moved from Zizyphus piperoides (1878)
Moved to Tetracentron piperoides in 1977 [3]

Tetracentron piperoides Tetracentron piperoides Hypotype USNM 43288.png
Tetracentron piperoides

Comptonia parvula [1]

Comb nov

(Heer) LaMotte

Cretaceous

Patoot beds

Flag of Denmark.svg Denmark
Flag of Greenland.svg Greenland

A Comptonia species.
Moved from Myrica (Comptonia) parvula (1916)

Cupanites berryi [1]

Sp nom nov

LaMotte

Eocene

Barnwell Formation

Flag of the United States.svg USA
Flag of Georgia.svg Georgia

A sapindaceous Cupanites species.
A new name for Cupanites nigricans (1918)

Inga alia [1]

Sp nom nov

LaMotte

Miocene

Flag of Cuba.svg Cuba

An ice-cream-bean species
A new species name for Inga miocenica (Berry, 1939) (1939)

Liquidambar dubia [1]

Sp nom nov

(Berry) LaMotte

Eocene

Lagrange Formation

Flag of the United States.svg USA
Flag of Kentucky.svg Kentucky

A sweetgum species
A replacement name for Liquidambar incerta (Berry, 1924) (1924)

Macrolobium geminifolia

Comb nov

(MacGinitie) LaMotte

Eocene

Ione Formation

Flag of the United States.svg USA
Flag of California.svg California

A Macrolobium species legume.
Moved from Vouapa geminifolia (1941)

Melastomites incertus [1]

Sp nom nov

LaMotte

Oligocene

Culebra Formation

Flag of Panama.svg Panama

A melastome species
A replacement name for Melastomites miconioides (Berry, 1919) (1919)

Populus americana [1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

synonymy

A cottonwood species.
Moved from Pterocarya americana (1874)

Populus (?) paramonodon [1]

Sp nom nov

LaMotte

Paleocene

Flag of the United States.svg USA
Flag of New Mexico.svg New Mexico

A possible cottonwood species
New name for referred "Populus monodon" fossils
P. monodon type specimens moved to Ficus monodon

Prunus gracilis (Lesquereux) [1]

Comb nov

Jr homonym

(Lesquereux) LaMotte

Eocene
Pribonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A possible cherry species
Moved from Amygdalus gracilis (1883)
Jr homonym of Prunus gracilis (Engelm. & A.Gray)

Prunus wilcoxiana [1]

Comb nov

(Berry) LaMotte

Eocene

Tallahatta Formation
Holly Springs Sand Member

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A possible cherry species
Moved from Amygdalus wilcoxiana (1930)

Pyrus alvordensis [1]

Comb nov

(MacGinitie) LaMotte

Trout Creek flora

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

A possible mountain ash species
Moved from Sorbus alvordensis (1933)

Pyrus coronariafolia [1]

Comb nov

(Berry) LaMotte

Pleistocene

Flag of the United States.svg USA
Flag of North Carolina.svg North Carolina

A possible apple species
Moved from Malus coronariafolia (1907)

Pyrus decorafolia [1]

Comb nov

(Berry) LaMotte

Eocene
(Ypresian)

Okanagan Highlands
Chu Chua Formation

Flag of Canada (Pantone).svg Canada
Flag of British Columbia.svg British Columbia

A possible mountain ash species
Moved from Sorbus decorafolia (1926)

Pyrus diversifolia (Lesquereux) [1]

Comb nov

Jr homonym

(Lesquereux) LaMotte

Eocene
(Priabonian)

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A possible mountain ash species
Moved from Sorbus diversifolia (1918)
First named Myrica diversifolia (1883)
homonym of Pyrus diversifolia Bong.

Pyrus grandifolia [1]

Comb nov

(Heer) LaMotte

Paleocene

Flag of Denmark.svg Denmark
Flag of Greenland.svg Greenland

A possible mountain ash species
Moved from Sorbus grandifolia (1869)

Pyrus harneyensis [1]

Comb nov

(Axelrod) LaMotte

Pliocene

Flag of the United States.svg USA
Flag of Oregon.svg Oregon

A possible mountain ash species
Moved from Sorbus harneyensis (1944)

Pyrus idahoensis [1]

Comb nov

(Brown) LaMotte

Oligocene

Salmon flora

Flag of the United States.svg USA
Flag of Idaho.svg Idaho

A possible apple species
Moved from Malus idahoensis (1935)

Pyrus megaphylla [1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A possible mountain ash species
Moved from Sorbus megaphylla (1908)

Pyrus nupta [1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A possible mountain ash species
Moved from Sorbus nupta (1910)

Pyrus pseudoangustifolla [1]

Comb nov

(Berry) LaMotte

Pleistocene

Flag of the United States.svg USA
Flag of North Carolina.svg North Carolina

A possible apple species
Moved from Malus pseudoangustifolla (1910)

Shepherdia weaveri [1]

Comb nov

(Hollick) LaMotte

Paleocene - Eocene

"Kachemak Bay flora"

Flag of the United States.svg USA
Flag of Alaska.svg Alaska

A possible buffaloberry species
Moved from Lepargyraea weaveri (1936) [4]

Sphaeralcea (?) exhumatum [1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A possible globemallow species
Moved from Malvastrum (?) exhumatum (1906)

Ulmus chuchuanus [1]

Sp nom nov

valid

(Berry) LaMotte

Eocene
(Ypresian)

Okanagan Highlands
Chu Chua Formation

Flag of Canada (Pantone).svg Canada
Flag of British Columbia.svg British Columbia

An elm.
New name for "Ulmus columbianus" Berry (1926)
Junior homonym of "Ulmus columbiana" Penhallow (1907)

Ulmus chuchuanus Ulmus chuchuanus SR 99-05-01.jpg
Ulmus chuchuanus

Xanthoxylum alia [1]

Sp nom nov

LaMotte

Miocene

Flag of Cuba.svg Cuba

A possible Zanthoxylum species
New name for Fagara miocenica Berry, 1939) (1939)
F. miocenica a jr homonym of Fagara miocenica (Berry, 1925)

Xanthoxylum apalachacolensis [1]

Comb nov

(Berry) LaMotte

Miocene

Alum Bluff Formation

Flag of the United States.svg USA
Flag of Florida.svg Florida

A possible Zanthoxylum species
Moved from Fagara apalachacolensis (1916)

Xanthoxylum catahoulensis [1]

Comb nov

(Berry) LaMotte

Eocene

Catahoula Formation

Flag of the United States.svg USA
Flag of Louisiana.svg Louisiana

A possible Zanthoxylum species
Moved from Fagara catahoulensis (1916)
4 varieties also moved F. c. corlacea, F. c. elongata, F. c. major, & F. c. orbiculata

Xanthoxyium claibornensis [1]

Comb nov

(Berry) LaMotte

Eocene

Mount Selman Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

A possible Zanthoxylum species
Moved from Fagara claibornensis (1924)

Xanthoxyium (?) delicatula [1]

Comb nov

(Cockerell) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A possible Zanthoxylum species
Moved from Fagara (?) delicatula (1908)

Xanthoxylum dubium [1]

Comb nov

nomen nudum

(Lesquereux) LaMotte

Paleocene

Raton Formation

Flag of the United States.svg USA
Flag of New Mexico.svg New Mexico

A possible Zanthoxylum species
Moved from Zanthoxylum dubium (1872)
Considered nomen nudum by LaMotte

Xanthoxylum eocenica [1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A possible Zanthoxylum species
Moved from Fagara eocenica (1916)

Xanthoxylum juglandianum [1]

Comb nov

(Braun) LaMotte

"Tertiary"

Flag of Europe.svg Europe

A possible Zanthoxylum species
Moved from Zanthoxylum juglandianum (1878)

Xanthoxylum miocenica [1]

Comb nov

(Berry) LaMotte

Miocene

Forest Sand Formation

Flag of Trinidad and Tobago.svg Trinidad

A possible Zanthoxylum species
Moved from Fagara miocenica (1925)

Xanthroxylum petraflumensis [1]

Comb nov

(Berry) LaMotte

Eocene

Yegua Formation

Flag of the United States.svg USA
Flag of Texas.svg Texas

A possible Zanthoxylum species
Moved from Fagara petraflumensis (1924)

Xanthoxylum puryearensis [1]

Comb nov

(Berry) LaMotte

Eocene

Lagrange Formation

Flag of the United States.svg USA
Flag of Tennessee.svg Tennessee

A possible Zanthoxylum species
Moved from Fagara eocenica (1916)

Xanthoxyium spireaefolia [1]

Comb nov

(Lesquereux) LaMotte

Eocene
Priabonian

Florissant Formation

Flag of the United States.svg USA
Flag of Colorado.svg Colorado

A possible Zanthoxylum species
Moved from Fagara spireaefolia (1908)
First named Zanthoxylum spireaefolium (1883)

Xanthoxylum wadii [1]

Comb nov

(Berry) LaMotte

Miocene

Flag of Mexico.svg Mexico
Flag of Oaxaca.svg Oaxaca

A possible Zanthoxylum species
Moved from Fagara wadii (1923)

Xanthoxylum wyomingensis [1]

Comb nov

(Berry) LaMotte

Eocene

Bridger Formation

Flag of the United States.svg USA
Flag of Wyoming.svg Wyoming

A possible Zanthoxylum species
Moved from Fagara wyomingensis (1930)

Other angiosperms

NameNoveltyStatusAuthorsAgeUnitLocationSynonymized taxaNotesImages

Carpites interglacialis [1]

Comb nov

(Hollick) LaMotte

Miocene

St. Eugene Silts

Flag of Canada (Pantone).svg Canada
Flag of British Columbia.svg British Columbia

A fruit/seed species of uncertain affinity.
Moved from Ficus interglacalis (1928)

General research

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 LaMotte, R.S. (1952). Catalogue of the Cenozoic plants of North America through 1950. Geological Society of America Memoirs. Vol. 51. Geological Society of America. doi:10.1130/MEM51.
  2. 1 2 3 4 Miller, N. G. (1980). "Fossil mosses of North America and their significance". The Mosses of North America. pp. 9–36.
  3. 1 2 3 Wolfe, J.A. (1977). Paleogene floras from the Gulf of Alaska region (Report). Professional Paper. Vol. 997. United States Geological Survey. pp. 1–108. doi: 10.3133/pp997 .
  4. 1 2 3 4 5 Hollick, A.; Smith, P. (1936). The Tertiary floras of Alaska, with a chapter on the geology of the Tertiary deposits (Report). Professional Paper. United States Geological Survey. pp. 1–185. doi:10.3133/pp182. 182.