Vascular Plants - Poaceae - Poa:
Poa pratensis
Page Authors: David Giblin, Don Knoke
Kentucky bluegrass 
Blooms: April - October
Habit: herb
Duration: perennial
Origin: Introduced
Distribution: Throughout Washington; common throughout temperate world.
Habitat: Moist, distrurbed areas at from the coast to middle elevations.
Species Description:

General: Strongly rhizomatous perennial, the culms hollow, glabrous, 4-10 dm. tall.
Leaves: Sheaths closed about half their length; ligules 1-1.5 mm. long, truncate, usually entire; blades flat, numerous, 2-4 mm. broad, the tips strongly prow-shaped.
Flowers: Inflorescence a moderately loose panicle 3-10 cm. long, the branches slightly ascending, the lower ones 3-5 per node; spikelets 3- to 5-flowered; glumes 2.5 and 3 mm. long, strongly keeled; lemmas about 3.5 mm. long, strongly keeled, cobwebby at the base; palea subequal to the lemma, 2-keeled.
Subspecies & Varieties:
Accepted Name:
Poa pratensis L.
Synonyms:
(none)

Treated in Flora of the PNW as:
Poa pratensis
Additional Resources:

PNW Herbaria Specimens: View list of Poa pratensis specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Poa pratensis specimens in the WTU Herbarium database.

Washington Flora Checklist: Poa pratensis treatment.

E-Flora BC: Poa pratensis atlas page.

CalPhotos: Poa pratensis images.

USDA Plants Database: Poa pratensis.
Additional photographs of Poa pratensis:
(click on a thumbnail to view larger photo)

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Richard Old

Fred Weinmann

J. William Thompson

Bud Kovalchik

Bud Kovalchik

Bud Kovalchik
(password required)

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Washington Native Plant Society
WA Native Plant Society