[Bittercress and Toothworts of the Cascade Mountains of Oregon and Washington]

Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress

Cardamine oligosperma var. oligosperma

Synonyms: Cardamine oligosperma var. kamtschatica, Cardamine oligosperma var. lucens, Cardamine umbellata, Cardamine unijuga

Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma (Synonyms: Cardamine oligosperma var. kamtschatica, Cardamine oligosperma var. lucens, Cardamine umbellata, Cardamine unijuga)

What appears to be little western bittercress as seen along the Lewis River and Lewis River Trail #31, Gifford Pinchot National Forest..........May 3, 2015.

Flowers and fruits of Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma

The erect siliques and several flowers of little western bittercress as seen in the Labyrinth in the central Columbia River Gorge................April 15, 2010.

Dorsal leaf surface of Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma - Ventral leaf surface of Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma - Seed pod of Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma

The upper basal leaf surface (left), lower basal leaf surface, and linear silique of little western bittercress as seen in the Labyrinth in the central Columbia River Gorge................April 15, 2010.

Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma (Synonyms: Cardamine oligosperma var. kamtschatica, Cardamine oligosperma var. lucens, Cardamine umbellata, Cardamine unijuga) - Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma (Synonyms: Cardamine oligosperma var. kamtschatica, Cardamine oligosperma var. lucens, Cardamine umbellata, Cardamine unijuga)

Little western bittercress beginning to bloom along the lower sections of the Cherry Orchard Trail..................March 7, 2011.

Little Western Bittercress, Siberian Bittercress, Umbellate Bittercress: Cardamine oligosperma var. oligosperma (Synonyms: Cardamine oligosperma var. kamtschatica, Cardamine oligosperma var. lucens, Cardamine umbellata, Cardamine unijuga)

Little western bittercress beginning to bloom along the lower sections of the Cherry Orchard Trail.............February 9, 2013.

Paul Slichter