Alexfloydia

Alexfloydia
Conservation status
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Genus: Alexfloydia
B.K.Simon
Species: A. repens
Binomial name
Alexfloydia repens
B.K.Simon

Alexfloydia is a monotypic genus of perennial stoloniferous grasses in the family Poaceae, subfamily Panicoideae.[1] This genus is found only in Coastal Eastern Australia. There is one known species, Alexfloydia repens.[2] This genera was named in honour of the species discoverer Alexander Floyd.[3]

Contents

Habitat and distribution

Alexfloydia repens is a spreading mat forming grass that occupies the king tide zone on the margins of brackish and tidal waterways. 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.[4]

Ecology

A. repens is the sole larval food plant for the endangered Black grass-dart butterfly Ocybadistes knightorum (Lambkin & Donaldson, 1994).[5]

See also

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. http://delta-intkey.com/grass/www/alexfloy.htm. Retrieved 2009-08-19. 
  2. ^ "Alexfloydia". The Grass Genera of the World. http://delta-intkey.com/grass/www/alexfloy.htm. Retrieved 2008-04-02. 
  3. ^ "Alexander G. Floyd (1926 - )". Australian National Herbarium. http://www.anbg.gov.au/biography/floyd-alexander-geoffrey.html. Retrieved 2008-04-02. 
  4. ^ "Black grass-dart butterfly - endangered species listing". Department of Environment & Climate Change (NSW). http://www3.environment.nsw.gov.au/npws.nsf/Content/Black+grass-dart+butterfly+endangered+species+listing. Retrieved 2008-04-02. 
  5. ^ "Alexfloydia repens (a grass) - endangered species listing". Department of Environment & Climate Change (NSW). http://www.environment.nsw.gov.au/determinations/AlexfloydiaRepensAGrassEndSpListing.htm. Retrieved 2008-04-02.