Vascular Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Agrostis gigantea Roth
(Redtop)


Family: Poaceae

Status: Exotic

Synonyms:
Agrostis alba of numerous authors

Agrostis gigantea is an exotic (non-native) grass. Spikelets of the panicle contain one floret. The glumes are longer than the floret. Agrostis gigantea is rhizomatous and the panicle is broad and open. It likes moist areas such as drainages and culverts.
Please click on an image for a larger file.



Agrostis gigantea, photo Russ Kleinman, Pinos Altos Range, Pinos Altos, Sept. 12, 2007



Agrostis gigantea, palea about 3/4 length of lemma, photo Russ Kleinman, Pinos Altos Range, Pinos Altos



Agrostis gigantea, glumes exceed floret length, photo Russ Kleinman, Pinos Altos Range, Pinos Altos



Agrostis gigantea, inflorescence, photo Russ Kleinman & Scott Zager, Mogollon Mtns., Bursum Rd. at Redstone Trailhead, Nov. 12, 2008


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