Alexfloydia

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Alexfloydia
Conservation status
Endangered (Threatened Species Conservation Act (NSW))
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
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. This genus is found only in Coastal Eastern Australia. There is one known species, Alexfloydia repens.[1] This genera was named in honour of the species Discoverer Alexander G. Floyd.[2]

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 shedules of the NSW Threatened Species Act.[3]

[edit] Ecology

A. repens is the sole larval food plant for the Endangered Black grass-dart butterfly Ocybadistes knightorum (Lambkin & Donaldson, 1994).[4]

[edit] References

  1. ^ Alexfloydia. The Grass Genera of the World. Retrieved on 2008-04-02.
  2. ^ Alexander G. Floyd (1926 - ). Australian National Herbarium. Retrieved on 2008-04-02.
  3. ^ Black grass-dart butterfly - endangered species listing. Department of Environment & Climate Change (NSW). Retrieved on 2008-04-02.
  4. ^ Alexfloydia repens (a grass) - endangered species listing. Department of Environment & Climate Change (NSW). Retrieved on 2008-04-02.

[edit] Sources

  • 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.)