[The Sunflower Family in the Columbia River Gorge of Oregon and Washington]

The Sunflower Family in the Columbia River Gorge of Oregon and Washington


Gray Hawksbeard: Crepis intermedia

Gray Hawksbeard: Crepis intermedia

These members of the sunflower family consist of a head of many long-petaled ray flowers, typically yellow, orange or occasionally blue or white.
Members of the Sunflower Family with Flower Heads that Look Like Dandelions:

Wildflowers of the Genus Agoseris:

Orange Agoseris Agoseris aurantiaca

Large-flowered Agoseris Agoseris grandiflora

Annual Agoseris Agoseris heterophylla var. heterophylla

Spear-leaf Agoseris Agoseris retrorsa

Wildflowers of the Genus Chondrilla

Chondrilla: Chondrilla juncea

Wildflowers of the Genus Cichorium: Chicory

Chicory Cichorium intybus - Another introduced species. This one is many branched, with medium blue flowers that open wide.

Wildflowers of the the Genus Crepis: The Hawksbeards

Slender Hawksbeard Crepis atrabarba ssp. originalis

Bearded Hawksbeard Crepis barbigera

Smooth Hawksbeard Crepis capillaris

Gray Hawksbeard Crepis intermedia

Western Hawksbeard Crepis occidentalis

Rough Hawksbeard Crepis setosa

Wildflowers of the Genus Hieracium: The Hawkweeds

White Hawkweed Hieracium albiflorum

Slender Hawkweed, Alpine Hawkweed Hieracium gracile

Long-beard Hawkweed Hieracium longiberbe

Scouler's Hawkweed Hieracium scouleri var. cynoglossoides

Scouler's Hawkweed Hieracium scouleri var. scouleri

Narrow-leaf Hawkweed Hieracium umbellatum

Comon Hawkweed Hieracium vulgatum

Wildflowers of the Genus Hypochaeris: The Cat's-ears

Smooth Cat's-ear Hypochaeris glabra

False Dandelion, Rough Cat's-ear Hypochaeris radicata

Wildflowers of the Genus Lactuca: The Wild Lettuce

Tall Blue Lettuce, Wild Blue Lettuce: Lactuca biennis (Synonym: Sonchus biennis)

Canadian Wild Lettuce, Florida Blue Lettuce: Lactuca canadensis

Louisiana lettuce, Prairie Lettuce, Western Lettuce: Lactuca ludoviciana

Least Lettuce, Willow Lettuce: Lactuca saligna

Garden Lettuce: Lactuca sativa

Prickly Lettuce: Lactuca serriola (Synonyms: Lactuca scariola, Lactuca scariola var. integrata, Lactuca scariola var. scariola)

Blue Lettuce: Lactuca tatarica ssp. pulchella (Synonyms: Lactuca pulchella, Lactuca tatarica var. pulchella, Mulgedium oblongifolium, Mulgedium pulchellum) -

Wall Lettuce: Mycelis muralis (Synonym: Lactuca muralis)

Wildflowers of the Genus Lapsana: Nipplewort

Nipplewort Lapsana communis

Wildflowers of the Genus Leontodon:

Fall Dandelion, Hawkbit Leontodon atumnalis

Hairy Hawkbit Leontodon nudicaulis

Wildflowers of the Genus Microseris:

Bog Microseris Microseris borealis (formerly Apargidium boreale)

Cut-leaf Microseris Microseris lacinata

Lindley's Annual Microseris Microseris lindleyi

Nodding Microseris Microseris nutans

False Agoseris Nothocalais troximoides (formerly Microseris troximoides)

Wall Lettuce Mycelis muralis (Synonym: Lactuca muralis):

Wildflowers of the Genus Picris:

Hawkweed Oxtongue: Picris hieracioides

Wildflowers of the Genus Nabalus: The Rattlesnake Roots

Western Rattlesnake Root Nabalus hastatus

Wildflowers of the Genus Sonchus: The Sow Thistles

Field Sow-thistle, Marsh Sow-thistle, Wet Ground Sow-thistle: Sonchus arvensis ssp. uliginosus (Synonyms: Sonchus arvensis var. glabrescens, Sonchus uliginosus)

Prickly Sow-thistle, Prickly Sow Thistle, Spiny Leaf Swo-Thistle: Sonchus asper (Synonym: Sonchus asper ssp. asper)

Common Sow-thistle, Common Sow Thistle: Sonchus oleraceus

Wildflowers of the Genus Stephanomeria: The Skeletonweeds

Stiff-branch Wirelettuce, Stiff-branched Stephanomeria, Stiff-branched Wirelettuce, Tufted Wirelettuce: Stephanomeria paniculata -

Narrow-leaf Skeletonweed, Narrow-leaved Wirelettuce, Wirelettuce: Stephanomeria tenuifolia (Synonyms: Stephanomeria minor var. minor, Stephanomeria tenuifolia var. myrioclada Stephanomeria tenuifolia var. tenuifolia)

Wildflowers of the Genus Taraxacum: The Dandelions

Red-seeded Dandelion: Taraxcum erythrospermum (Synonym: Taraxacum laevigatum) Weedy species that has naturalized in Oregon and Washington.

Common Dandelion Taraxacum officinale (Synonym: Taraxacum officinale ssp. vulgare): A weedy species with several to many oblanceolate leaves bearing pinnately lobed margins. The stems are hollow, with one flower head at its head.

Wildflowers of the Genus Tragopogon: The Oysterplants

Yellow Salsify, Oysterplant Tragopogon dubius

Vegetable Oyster, Salsify Tragopogon porrifolius

Paul Slichter E-mail