Family = Alismataceae,
Displaying matches 1 - 8 of 8.
(= Alisma gramineum vars. angustissimum, gramineum in Flora of the Pacific Northwest)
Aquatic, scapose perennials, the scapes 0.5-3 dm. tall, often exceeded by the leaves.
Distribution: East of the Cascades in Washington; British Columbia south to California, east to Minnesota and Wisconsin
Habitat: Marshy areas, often in standing water.
(= Alisma plantago-aquatica var. plantago-aquatica in Flora of the Pacific Northwest)
Aquatic, scapose perennials, the scapes up to 12 dm. tall, longer than the leaves.
Distribution: Widely distributed throughout Washington; Alaska south to California, east across northern half of North America to Newfoundland.
Habitat: Streams, lakes, ponds, wet ditches, wetlands, and cattle ponds.
(= Machaerocarpus californicus in Flora of the Pacific Northwest)
Aquatic, herbaceous, scapose perennials 2-4 dm. tall from a rhizome, the leaves about equaling the inflorescence.
Distribution: Known only from Klickitat County in Washington; Washington south to California, east to southwest Idaho and western Navada.
Habitat: Sloughs, ditches and marshy fields.
(= Sagittaria cuneata in Flora of the Pacific Northwest)
Aquatic, scapose, tuber-bearing perennial from strong rhizomes, the scapes up to 5 dm. long.
Distribution: East of the Cascades in Washington; British Columbia south to California, east to New York.
Habitat: Ponds, lake shores and ditches.
(taxon is not treated in Flora of the Pacific Northwest)
Aquatic, scapose, perennial herbs from coarse rhizomes, without stolons, the scapes to 100 cm. tall.
Distribution: Occurring west of the Cascades in Washington; primary distribution is east of the Mississippi River.
Habitat: Wetlands, ponds, and lakes
(= Sagittaria latifolia in Flora of the Pacific Northwest)
Aquatic, scapose, tuber-bearing perennials from strong rhizomes, the scapes up to 5 dm. long.
Distribution: Occurring on both sides of the Cascades in Washington; Vancouver Island, British Columbia south to central California; primary distribution in central and eastern North America.
Habitat: Ditches, ponds, lakes, swampy areas.
(taxon is not treated in Flora of the Pacific Northwest)
Aquatic, scapose, perennial herbs, without rhizomes, stolons present, the scapes to 150 cm. tall.
Distribution: Known from the Puget Sound lowlands in Washington; south-central U.S., and in scattered locations in central and northeastern U.S.
Habitat: Pond and lake margins.
(taxon is not treated in Flora of the Pacific Northwest)
Distribution: Occurring in lowland areas west of the Cascades crest in Washington; California; central U.S. and southern Canada east to northeastern U.S. and Canada; scattered locations elsewhere in U.S. and Canada.
Habitat: Pond and lake margins.
