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Poa
Family: Poaceae
Poa image
  • Gleason & Cronquist
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Vascular plants of NE US and adjacent Canada
Spikelets 2-several-fld, ±compressed laterally, disarticulating above the glumes and between the lemmas; glumes lanceolate to ovate, acute or subacute, 3-veined or the first 1-veined; lemma in most spp. keeled, often scarious at the margins and tip, generally 5-veined (but the intermediate veins obscure or obsolete in some spp.), often with a tuft of long, cobwebby hairs (called a web) at the base; uppermost florets reduced, unisexual or vestigial; rachilla in a few spp. finely puberulent or scaberulous, otherwise glabrous; lvs ending in a boat-shaped tip; panicles open or contracted, the branches generally in fascicles of 2-5, sometimes more. 150+, widespread, mostly temp. and boreal. Many of the spp. confluent through polyploid (often apomictic) forms.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: Denver-Boulder Metropolitan Area
Poa abbreviata
Image of Poa abbreviata
Map not
Available
Poa alpina
Image of Poa alpina
Map not
Available
Poa annua
Image of Poa annua
Map not
Available
Poa aperta
Image of Poa aperta
Map not
Available
Poa arctica
Image of Poa arctica
Map not
Available
Poa arida
Image of Poa arida
Map not
Available
Poa brandegei
Image of Poa brandegei
Map not
Available
Poa bulbosa
Image of Poa bulbosa
Map not
Available
Poa compressa
Image of Poa compressa
Map not
Available
Poa confinis
Image of Poa confinis
Map not
Available
Poa cusickii
Image of Poa cusickii
Map not
Available
Poa fendleriana
Image of Poa fendleriana
Map not
Available
Poa glauca
Image of Poa glauca
Map not
Available
Poa laxa
Image of Poa laxa
Map not
Available
Poa leptocoma
Image of Poa leptocoma
Map not
Available
Poa lettermanii
Image of Poa lettermanii
Map not
Available
Poa nemoralis
Image of Poa nemoralis
Map not
Available
Poa nervosa
Image of Poa nervosa
Map not
Available
Poa palustris
Image of Poa palustris
Map not
Available
Poa pratensis
Image of Poa pratensis
Map not
Available
Poa reflexa
Image of Poa reflexa
Map not
Available
Poa rupestris
Image of Poa rupestris
Map not
Available
Poa secunda
Image of Poa secunda
Map not
Available
Poa tracyi
Image of Poa tracyi
Map not
Available
Poa trivialis
Image of Poa trivialis
Map not
Available
Poa wheeleri
Image of Poa wheeleri
Map not
Available

This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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