UBC Herbarium. Year: 2013.   cc-by-nc-sa-3.0

Perideridia (Yampah) is a genus of perennial herb in the family umbellifers. They are native to United States, Canada, and The Contiguous United States. Flowers are visited by European Paper Wasp, Lorquin's Admiral, Callippe Fritillary, and Common Oblique Syrphid.

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EOL has data for 9 attributes, including:

Known occurrences, collected specimens and observations of yampah. View this species on GBIF