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Poa
Family: Poaceae
Poa image
  • Gleason & Cronquist
  • Resources
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.
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Poa abbreviata
Image of Poa abbreviata
Poa acinaciphylla
Image of Poa acinaciphylla
Poa acroleuca
Image of Poa acroleuca
Poa aequatoriensis
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not available
Poa aequigluma
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not available
Poa affinis
Image of Poa affinis
Poa alopecurus
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Poa alpigena
Image of Poa alpigena
Poa alpina
Image of Poa alpina
Poa alsodes
Image of Poa alsodes
Poa altaica
Image of Poa altaica
Poa ammophila
Image of Poa ammophila
Poa anae
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Poa anceps
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Poa andina
Image of Poa andina
Poa androgyna
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Poa annua
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Poa aperta
Image of Poa aperta
Poa arachnifera
Image of Poa arachnifera
Poa araratica
Image of Poa araratica
Poa arctica
Image of Poa arctica
Poa arechavaletae
Image of Poa arechavaletae
Poa arida
Image of Poa arida
Poa arnowiae
Image of Poa arnowiae
Poa aspera
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Poa asperifolia
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Poa astonii
Image of Poa astonii
Poa atropidiformis
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Poa atropurpurea
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Poa attenuata
Image of Poa attenuata
Poa australis
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Poa autumnalis
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Poa ayacuchensis
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Poa badensis
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Poa bajaensis
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Poa balfourii
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Poa bergii
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Poa bigelovii
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Poa binata
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Poa bolanderi
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Poa bomiensis
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Poa bonariensis
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Poa boxiana
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Poa brachyanthera
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Poa brachyphylla
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Poa bradei
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Poa brandegei
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Poa brevipaniculata
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Poa brevis
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not available
Poa buchananii
Image of Poa buchananii
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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