UW Burke Herbarium species comparison

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Phalaris arundinacea

Phalaris lemmonii

reed canary grass
Habit Strongly rhizomatous perennial, the culms hollow, 7-14 dm. tall.
Leaves

Sheaths open;

ligules 4-10 mm. long, obtuse;

blades flat, 7-17 mm. broad.

Flowers

Inflorescence a compact panicle 8-15 cm. long, but the branches somewhat spreading;

spikelets 3-flowered, strongly compressed, the uppermost floret perfect, the lower two represented by sterile lemmas;

glumes slightly unequal, 4.5-5 mm. long, acute, 3-nerved;

sterile lemmas 1-1.5 mm. long, brownish, hairy;

fertile lemma 3-4 mm. long, subglabrous, 5-nerved;

palea subequal to the lemma, 2-nerved.

Phalaris arundinacea

Phalaris lemmonii
Flowering time June-July
Habitat Stream banks, meadows, fields, roadsides, irrigation ditches, and other disturbed open places from low elevations to nearly the subalpine.
Distribution
Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America, except for extreme southern U.S., to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Europe
Conservation status Not of concern
Sibling taxa
P. canariensis, P. paradoxa
P. arundinacea, P. canariensis, P. paradoxa
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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