familyPoaceae
subfamilyPoaceae subfam. Pooideae
tribePoaceae tribe Poeae
genusAlopecurus
speciesAlopecurus aequalis
Alopecurus aequalis var. sonomensis
Common names: Sonoma shortawn foxtail
Treatment appears in FNA Volume 24. Treatment on page 784.
Culms 30-75 cm. Blades to 7.5 mm wide. Panicles 2.5-9 cm long, 4-9 mm wide. Spikelets violet-gray to purplish-tinged, especially towards the apices; glumes to 3.7 mm; awns exceeding the lemmas by 1-2.5 mm; anthers 1-1.2 mm.
Discussion
Alopecurus aequalis var. sonomensis is endemic to Marin and Sonoma counties, California, where it grows in shallow water and marshy or moist ground, usually in the open. It is listed as endangered by the U.S. Fish and Wildlife Service.
Selected References
None.
Lower Taxa
None.