[Penny Cress: The Genus Thlaspi East of the Cascade Mts. of Oregon and Washington]

Fanweed, Field Penny Cress

Thlaspi arvense

Synonym: Teruncius arvensis

Fanweed, Field Penny Cress: Thlaspi arvense (Synonym: Teruncius arvensis) - Fanweed, Field Penny Cress: Thlaspi arvense (Synonym: Teruncius arvensis)

Field pennycress blooming in moist swales along Forest Road 30 at the east end of Big Summit Prairie, Ochoco National Forest........May 19, 2017.

Fan-shaped seed pod of Fanweed, Field Penny Cress: Thlaspi arvense

A close-up of the seed pod of field penny cress as seen from the northern edge of Zumwalt Prairie near the southern boundary of the Wallowa Whitman National Forest.........July 9, 2007. Note the broad wings along the margins of the seed.

Fanweed, Field Penny Cress: Thlaspi arvense (Synonym: Teruncius arvensis) - Fanweed, Field Penny Cress: Thlaspi arvense (Synonym: Teruncius arvensis) - Fanweed, Field Penny Cress: Thlaspi arvense (Synonym: Teruncius arvensis)

Field penny cress blooming in a drying swale along the Stubblefield Trail about three-quarters of a mile northwest of Stubblefield Lake, Turnbull National Wildlife Refuge........July 4, 2018.

Fanweed, Field Penny Cress: Thlaspi arvense
Field penny cress as seen from the northern edge of Zumwalt Prairie near the southern boundary of the Wallowa Whitman National Forest.........July 9, 2007

Fanweed, Field Penny Cress: Thlaspi arvense (Synonym: Teruncius arvensis) - Fanweed, Field Penny Cress: Thlaspi arvense (Synonym: Teruncius arvensis)

Field penny cress as seen in meadows around Hot Springs Campground at Hart Mountain National Antelope Refuge.........June 11, 2016.

Paul Slichter