Vascular Plants

Includes all flowering plants, conifers, ferns and fern-allies.

Browse by common name:
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
Common names beginning with I:
24 common names
Show only taxa with photos
Display as:
Indian (Brassica juncea)
Distribution: Occurring in scattered locations throughout Washington; widely distributed throughout North America.
Habitat: Disturbed areas including fields, roadsides and wastelots.
Origin: Introduced from Eurasia
Flowers: May-July
Indian-consumption-plant (Lomatium nudicaule)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho and Utah.
Habitat: Dry, open areas; common in shrub-steppe, but found in mountain meadows.
Origin: Native
Flowers: April-June
Indian-hemp (Apocynum cannabinum)
Distribution: East of the Cascades in Washington; throughout much of North America.
Habitat: Uncommon in waste ground and lightly-cultivated areas, especially orchards.
Origin: Native
Flowers: June-September
Many-flower Indian-pipe (Monotropa hypopitys)
Distribution: On both sides of the Cascades in Washington; British Columbia south to California, east to the Atlantic Coast.
Habitat: In humus of coniferous forests at low to mid-elevations.
Origin: Native
Flowers: May-July
One-flower Indian-pipe (Monotropa uniflora)
Distribution: Chiefly west of the Cascades in Washington; widely distributed throughout North America except for Alaska, Yukon Territory, Nevada, and southern Rocky Mountain states.
Habitat: In humus in deep, shady woods at low to moderate elevations.
Origin: Native
Flowers: June-August
Indian-poke (Veratrum viride)
Distribution: Widely distributed throughout the forest and mountainous areas of Washington; Alaska south to California, east to the northern Rocky Mountains; eastern North America from Alabama to Newfoundland.
Habitat: Moist meadows and woodlands, lowlands to subalpine.
Origin: Native
Flowers: June-September
Great Basin Indian-potato (Lomatium linearifolia)
Distribution: Eastern Washington and Oregon, southeast to Colorado
Habitat: Open slopes and ridges, low to mid-elevations
Origin: Native
Flowers: March - May
Indian-strawberry (Duchesnea indica)
Distribution: Introduced west of the Cascades, British Columbia to California, and in the east, Nebraska to New York south to Texas to Florida
Habitat: Ornamental, occasionally escapes
Origin: Introduced
Flowers: May - June
False indigo-bush (Amorpha fruticosa)
Distribution: Occurring chiefly east of the Cascades crest and along the Columbia River in Washington; widely distributed throughout much of North America except extreme northwest corner.
Habitat: Disturbed areas, roadsides, wastelots, and often along streams and in canyons.
Origin: Introduced
Flowers: May-July
Indian ink (Blitum capitatum)
Distribution: In scattered locations in Washington, chiefly east of the Cascades crest; Alaska south to California, east to the Atlantic Coast primarily in the northern half of North America.
Habitat: Weedy native of low to moderate elevations.
Origin: Native
Flowers: June-August
White inside-out-flower (Vancouveria hexandra)
Distribution: West of the Cascades, south Puget Trough, Washington, to northern California
Habitat: Moist, shady woods, low to moderate elevations
Origin: Native
Flowers: May - June
Inula (Inula helenium)
Distribution: Introduced as an ornamental and escaped, widespread in moister parts of the United States; west of the Cascades in Oregon and Washington
Habitat: Fields, roadsides and similar waste ground.
Origin: Introduced from western and central Asia
Flowers: June - September
Bearded iris (Iris germanica)
Origin: Introduced from southern Europe
German iris (Iris germanica)
Origin: Introduced from southern Europe
Pale yellow iris (Iris pseudacorus)
Distribution: Widely distributed throughout much of Washington; widely distributed throughout much of North America.
Habitat: Weed in ditches and ponds at low elevations.
Origin: Introduced from Eurasia
Flowers: May-July
Rocky Mountain iris (Iris missouriensis)
Distribution: Occurring chiefly east of the Cascades crest in Wahington, but also known from the Puget Sound area; British Columbia south to California, east to the Rocky Mountains.
Habitat: Common in vernally moist meadows, especially in sagebrush and Ponderosa pine forests.
Origin: Native
Flowers: May-July
Siberian iris (Iris sibirica)
Origin: Introduced
Stinking iris (Iris foetidissima)
Origin: Introduced from Europe
Tough-leaf iris (Iris tenax)
Distribution: ccurring west of the Cascades crest in Washington; Washington south to California.
Habitat: Prairies and pastures, open oak and coniferous forests, at low elevations.
Origin: Native
Flowers: April-June
Yellow iris (Iris pseudacorus)
Distribution: Widely distributed throughout much of Washington; widely distributed throughout much of North America.
Habitat: Weed in ditches and ponds at low elevations.
Origin: Introduced from Eurasia
Flowers: May-July
Gordon's ivesia (Ivesia gordonii)
Distribution: Mt. Adams, Wenatchee and Blue Mountains in Washington; Blue and Wallowa Mountains in Oregon; Montana to Colorado in the Rockies, west to California
Habitat: Floodplains and riverbanks to alpine ridges and talus
Origin: Native
Flowers: Late June - August
Atlantic ivy (Hedera hibernica)
Origin: Introduced
Common ivy (Hedera helix)
Distribution: Introduced as an ornamental, but freely disseminated by birds and widely established in western Washington and Oregon.
Habitat: Wooded areas at low elevations.
Origin: Introduced
Flowers: May - June
English ivy (Hedera helix)
Distribution: Introduced as an ornamental, but freely disseminated by birds and widely established in western Washington and Oregon.
Habitat: Wooded areas at low elevations.
Origin: Introduced
Flowers: May - June