Sub-species: Bistorta officinalis subsp. officinalis Date: 1898-07-07 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K005528066 View record
Sub-species: Bistorta officinalis subsp. officinalis Date: 1898-06-30 Country: United States
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K005528079 View record