Anemone piperi - Burke... burkeherbarium.org

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OregonFlora Anemone piperi oregonflora.org

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US Wildflower - Piper's... uswildflowers.com

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Anemone piperi – Flora of... inside.ewu.edu

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Piper's Anemone (Anemone... idfg.idaho.gov

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Lewis and Clark Herbarium -... www.plantsystematics.org

CalPhotos: Anemone piperi;... calphotos.berkeley.edu

Anemone Piperi --... earthpedia.earth.com

Anemone piperi – Flora of... inside.ewu.edu

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Piper's Anemone - Montana... fieldguide.mt.gov

Anemone piperi | Flora of... www.lib.uidaho.edu

Lewis and Clark Herbarium -... www.plantsystematics.org