Alexfloydia

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Alexfloydia
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Supertribe: Panicodae
Tribe: Paniceae
Subtribe: Cenchrinae
Genus: Alexfloydia
B.K.Simon
Species:
A. repens
Binomial name
Alexfloydia repens

Alexfloydia is a genus of perennial stoloniferous grasses in the panic grass subfamily of the Poaceae grass family. [1] [2]

Contents

This genus is endemic to coastal eastern New South Wales in Australia.

There is one known species, Alexfloydia repens. [3] This genus was named in honour of the species discoverer, Australian botanist Alexander Floyd (1926-). [4] [5]

Habitat and distribution

Alexfloydia repens is a spreading, mat-forming grass found on the margins of brackish and tidal waterways in areas flooded by unusually high tides (called "king tides"). [6] The species forms a groundcover associated with the tree species Casuarina glauca and the Endangered Ecological Community Swamp Oak Floodplain Forest. Currently this grass is known only from a few locations in the Coffs Harbour region.

Status

This species is listed as Endangered on the schedules of the NSW Threatened Species Act. [7]

Ecology

Alexfloydia repens is the sole larval food plant for the endangered Black grass-dart butterfly ( Ocybadistes knightorum ) (Lambkin & Donaldson, 1994). [8]

See also

Related Research Articles

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Goobang National Park Protected area in New South Wales, Australia

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<i>Elymus repens</i> Species of butterfly

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<i>Panicum</i> Genus of grasses

Panicum (panicgrass) is a large genus of about 450 species of grasses native throughout the tropical regions of the world, with a few species extending into the northern temperate zone. They are often large, annual or perennial grasses, growing to 1–3 m tall.

<i>Atractantha</i> Genus of grasses

Atractantha is a South American genus of bamboo in the grass family, native to Brazil, Colombia, and Venezuela.

  1. Atractantha amazonicaJudz. & L.G.Clark - Amazonas in Brazil, Amazonas in Venezuela, Vaupés in Colombia
  2. Atractantha aureolanataJudz. - Espírito Santo, Bahia
  3. Atractantha cardinalisJudz. - Bahia
  4. Atractantha falcataMcClure - Bahia
  5. Atractantha radiataMcClure - Bahia
  6. Atractantha shepherdianaSantos-Gonç. - Espírito Santo
<i>Aristida</i> Genus of grasses

Aristida is a very nearly cosmopolitan genus of plants in the grass family. Aristida is distinguished by having three awns (bristles) on each lemma of each floret. The genus includes about 300 species found worldwide, often in arid warm regions. This genus is among those colloquially called three-awnswiregrasses, speargrasses and needlegrasses. The name Aristida is derived from the Latin "arista", meaning "awn".

<i>Bouteloua</i> Genus of grasses

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<i>Astrebla</i> Genus of grasses

Astrebla is a small genus of xerophytic grasses found only in Australia. They are the dominant grass across much of the continent. They are commonly known as Mitchell grass after Scottish explorer, Thomas Mitchell, who first collected a specimen near Bourke in New South Wales.

<i>Lepturus</i> Genus of grasses

Lepturus is a genus of plants in the grass family, native to Asia, Africa, Australia, and various islands in the Indian and Pacific Oceans.

Acostia is a genus of South American plants in the grass family.

Acrachne is a genus of Asian, African, and Australian plants in the grass family. Species in the genus are commonly known as goosegrass.

Ancistragrostis is a genus of Australian and New Guinean plants in the family Poaceae.

Arthragrostis is a genus of Australian plants in the grass family, found only in Queensland.

<i>Brachyachne</i> Genus of grasses

Brachyachne is a genus of African, Australian, and Southeast Asian plants in the grass family.

Austrofestuca, called beach fescue, is a genus of Australian and New Zealand plants in the grass family. The only accepted species is Austrofestuca littoralis, native to seacoast regions in Australia and New Zealand.

Rytidosperma pumilum, also known as feldmark grass, is a species of grass in the family Poaceae. It is found in Australia and New Zealand.

<i>Elatostema</i>

Elatostema is a genus of flowering plants containing approximately 350 known species in the nettle family Urticaceae, native to tropical forest clearings throughout Australasia, Asia and Africa. There may be as many as 1,000 species of this little-known genus, which is susceptible to deforestation and other forms of human exploitation. Some species, for instance the recently discovered E. fengshanense, show unusual adaptations to growing in deep shade in caves. DNA analysis suggests that the three genera Elastostema, Pellionia, and Pilea be grouped together as one.

References

  1. Watson L, Dallwitz MJ. (2008). "The grass genera of the world: descriptions, illustrations, identification, and information retrieval; including synonyms, morphology, anatomy, physiology, phytochemistry, cytology, classification, pathogens, world and local distribution, and references". The Grass Genera of the World. Retrieved 2009-08-19.
  2. Simon, B.K. 1992. Studies in Australian grasses 6. Alexfloydia, Cliffordiochloa and Dallwatsonia, three new panicoid grass genera from Eastern Australia. Austrobaileya 3:669-681.
  3. "Alexfloydia". The Grass Genera of the World. Archived from the original on 14 May 2008. Retrieved 2008-04-02.
  4. "Alexander G. Floyd (1926 - )". Australian National Herbarium. Retrieved 2008-04-02.
  5. Atlas of Living Australia, Alexfloydia B.K.Simon
  6. Tidal Variations — The Influence of Position and Distance NOAA ocean service education
  7. "Black grass-dart butterfly - endangered species listing". Department of Environment & Climate Change (NSW). Archived from the original on 2006-09-07. Retrieved 2008-04-02.
  8. "Alexfloydia repens (a grass) - endangered species listing". Department of Environment & Climate Change (NSW). Retrieved 2008-04-02.