Black-flowered Rockcress, Hairystem Rockcress, Sicklepod Rockcress
Boechera pauciflora
Synonyms: Arabis campyloba, Arabis holboellii, Arabis holboellii var. pinetorum, Arabis perelegans, Arabis sparsiflora, Arabis sparsiflora var. columbiana, Arabis sparsiflora var. subvillosa, Boechera sparsiflora var. subvillosa
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Hairystem rockcress observed in rocky meadows atop Monte Cristo, Monte Cristo Natural Area Preserve......June 21, 2022.
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What may be hairystem rockcress as seen on Rhyolite Ridge about one quarter of a mile west of Pilot Rock, Cascade-Siskiyou National Monument......May 26, 2021.
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Hairystem rockcress observed atop the long ridgeline of Monte Cristo, Gifford Pinchot National Forest......June 18, 2021.
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The fruiting inflorescences of what might be hairystem rockcress as seen atop Cispus Point, Gifford Pinchot National Forest..........July 4, 015.
Paul Slichter