The giant butterbur, Petasites japonicus – Botanics Stories
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Petasites japonicus - Wikipedia
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A Tale of Two Petasites - WNPS Blog - Botanical Rambles
Petasites japonicus subsp. gigantea (Butterbur)
Petasites hybridus, the butterbur, is a herbaceous perennial flowering plant in the family Asteraceae, native to Europe and northern Asia Stock Photo - Alamy
Petasites japonicus — Bevin Clare
Giant Butterbur (Petasites japonicus) - Tualatin Soil and Water Conservation District
Petasites hybridus | Bog Rhubarb | Butterbur | Devil's Hat | plant lust