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 |
[edit] 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.
[edit] Status
This species is listed as Endangered on the schedules of the NSW Threatened Species Act.[4]
[edit] Ecology
A. repens is the sole larval food plant for the endangered Black grass-dart butterfly Ocybadistes knightorum (Lambkin & Donaldson, 1994).[5]
[edit] See also
[edit] References
- ^ 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.
- ^ "Alexfloydia". The Grass Genera of the World. http://delta-intkey.com/grass/www/alexfloy.htm. Retrieved 2008-04-02.
- ^ "Alexander G. Floyd (1926 - )". Australian National Herbarium. http://www.anbg.gov.au/biography/floyd-alexander-geoffrey.html. Retrieved 2008-04-02.
- ^ "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.
- ^ "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.
- 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.)
