Poa infirma
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P. infirma
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| Poa infirma |
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Poa infirma is a species of grass known by the common names early meadow-grass[1] and weak bluegrass. It was first described from a specimen found in Colombia, but it is actually an introduced species in the Americas and is native to Europe.[2] It grows in many types of habitat, including disturbed areas. It is very similar to Poa annua, which is probably a daughter species,[2] and it is often mistaken for P. annua unless it is closely examined.[3]
This is a small, densely tufted annual grass growing up to 15 centimeters tall. It has thin, soft-haired, yellow-green leaves. The inflorescence is a series of branches bearing flattened spikelets which have tufts of curly hairs.
References
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<references />, or <references group="..." />Further reading
- Takagi-Arigho, Ray (1994) Poa infirma - Flourishing? ... or Fleeing? BSBI News 65:14-18 (gives details of the plant's status and habitat in southwest England)
External links
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Grass Manual Treatment
- ↑ Chester, T. Plants of Southern California: Poa annua and P. infirma
