Arrow-grass Family
Lilaeaceae [Abrams]
1 genera
5 species
1 subspecies and varieties
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Triglochin concinnagraceful arrow-grass
Origin: Native
Triglochin maritimaseaside arrow-grass
Distribution: Widely distributed throughout much of Washington; Alaska south to California, east to the Rocky Mountains, then mostly across northern U.S. and southern Canada to the Atlantic Coast.
Habitat: Marsh to moist, gravelly areas, mostly were saline or alkaline.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Triglochin palustrismarsh arrow-grass
Origin: Native
Flowers: June - August
Growth Duration: Perennial
Triglochin scilloidesawl-leaf arrow-grass, flowering quillwort
Distribution: Occurring chiefly west of the Cascades crest along the coastal counties in Washington; British Columbia to Baja California, Mexico, east to the Rocky Mountains and northern Great Plains; also in South America.
Habitat: Generally in shallow water, but often stranded in mud at edge of receding ponds, coastal tideflats to interior valleys.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Triglochin striata
Origin: Native
Growth Duration: Perennial