Tragopogon porrifolius
Tragopogon dubius
oyster plant, salsify
yellow salsify
glabrous;
tips straight.
floccose when young, glabrous with maturity;
tips straight.
inflated distally.
inflated distally.
conic.
conic.
corollas purple; outer ligules not surpassing phyllaries.
corollas bright yellow; outer ligules not surpassing phyllaries.
1–2 cm.
2.5–3.5(4) cm.
=12.
=12.
Tragopogon porrifolius
Tragopogon dubius
Roadsides, fields, disturbed areas. Flowering Apr–Jun. 50–1500 m. BW, Col, ECas, Owy, Sisk, WV. CA, ID, NV, WA; throughout most of North America; Europe. Exotic.
See also T. mirus discussion.
Roadsides, fields, disturbed areas. Flowering May–Jul. 0–2300 m. BR, BW, Casc, Col, ECas, Lava, Owy, WV. CA, ID, NV, WA; throughout North America; Europe. Exotic.
See also T. pratensis and T. mirus discussions.
Stephen Meyers
Stephen Meyers
- Local floras:
BC, 
CA, 
OR, 
WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
PNW Herbaria, Turner Photog. 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
- Local floras: BC, CA, OR, WA
- Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog.
- WildflowerSearch
- iNaturalist (observations)
- USDA Plants Database
- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
