POA

About 500 species, including:

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Poa abbreviata - Short Bluegrass

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Poa alpigena - Northern Meadow-grass

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Poa alpina - Alpine Meadow-grass

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Poa alsodes - Grove Bluegrass

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Poa angustifolia - Narrow-leaved Meadow-grass

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Poa annua - Annual Meadow-grass

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Poa arachnifera - Texas Bluegrass

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Poa arctica - Arctic Meadow-grass

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Poa badensis

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Poa bulbosa - Bulbous Meadow-grass

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Poa cita - Silver Tussock

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Poa compressa - Flattened Meadow-grass

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Poa chaixii - Broad-leaved Meadow-grass

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Poa chathamica

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Poa colensoi - Blue Tussock

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Poa douglasii - Douglas Bluegrass

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Poa dura

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Poa flabellata

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Poa flexuosa - Wavy Meadow-grass

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Poa glauca - Glaocous Meadow-grass

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Poa infirma - Early Meadow-grass

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Poa iridifolia

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Poa labillardieri

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Poa nemoralis - Wood Meadow-grass

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Poa palustris - Swamp Meadow-grass

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Poa pratensis - Smooth Meadow-grass

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Poa subcaerulea - Spreading Meadow-grass

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Poa supina - Creeping Meadow-grass

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Poa trivialis - Rough Meadow-grass

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Poa is a genus of about 500 species of grasses, native to the temperate regions of both hemispheres. Common names include meadow-grass (mainly Europe and Asia), bluegrass (mainly North America), tussock (some New Zealand species), and speargrass.

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One species, Smooth Meadow-grass Poa pratensis, is the type species of the Family Poaceae.

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The genus Poa includes both annual and perennial species. Most are monoecious, but a few are dioecious (separate male and female plants). The leaves are narrow, folded or flat, sometimes bristled, and with the basal sheath flattened or sometimes thickened, with a blunt or hooded apex and membranaceous ligule.

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Genus: :...

Species: In biology, the most commonly used definition of species was first coined by Ernst Mayr. Species are "groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups" (however, see other definitions of species below)....

Grass: In popular language grass means a short, green, ground covering or lawn, usually, but not necessarily comprised of a "true grass" or grasses, called turf. See also pasture, grassland.In botany, grass refers to plants of the Family Poaceae. These are the true grasses.Plants with "grass" in their name...