Members of the Sunflower Family Having Dandelion-like Flower Heads Found West of the Cascade Mountains of Oregon and Washington

The Flower Heads are Composed Entirely of Ray Flowers

Agoseris: The Genus Agoseris -

Gum Succory, Rush Skeletonweed, Hogbite: Chondrilla juncea -

Wild Succory, Chicory, Common Chicory: Cichorium intybus -

Hawksbeards: The Genus Crepis -

Hawkweeds: The Genus Hieracium -

Cat's-ears and False Dandelions: The Genus Hypochaeris -

Wild Lettuce: The Genus Lactuca -

Nipplewort, Common Nipplewort: Lapsana communis -

Hawkbits: The Genus Leodonton -

Microseris and Scorzonella: The Genus Microseris -

Alpine Lake Agoseris, Alpine Lake Prairie-dandelion: Nothocalais alpestris (Synonyms: Agoseris alpestris, Agoseris barbellulata, Microseris alpestris) -

Bristly Ox Tongue: Picris echioides (Synonym: Helminthotheca echioides) -

Western Rattlesnake Root: Prenanthes alata (Synonym: Prenanthes lessingii) -

California Chicory: Rafinesquia californica -

Sow Thistles: The Genus Sonchus -

Common Dandelion: Taraxacum officinale (Synonyms: Taraxacum erythrospermum, Taraxacum laevigatum, Taraxacum officinale ssp. officinale, Taraxacum officinale ssp. vulgare) -

Goatsbeards and Salsify: The Genus Tragopogon -

Linearleaf Microseris, Silver Puffs: Uropappus lindleyi (Synonyms: Uropappus linearifolius, Microseris lindleyi, Microseris linearifolia) -