Alexfloydia
| Alexfloydia | |
|---|---|
| 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 an Australian genus of perennial stoloniferous plants panic grass subfamily of the grass family.
This genus is found only in Coastal Eastern New South Wales. There is one known species, Alexfloydia repens. This genus was named in honour of the species discoverer, Australian botanist Alexander Floyd (1926-).
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"). 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.
This species is listed as Endangered on the schedules of the NSW Threatened Species Act.
Alexfloydia repens is the sole larval food plant for the endangered Black grass-dart butterfly (Ocybadistes knightorum) (Lambkin & Donaldson, 1994).
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