Sub-species: Polygonum cognatum subsp. cognatum Date: 1929-08-01 Country: Iran, Islamic Republic of
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K005829444 View record
Sub-species: Polygonum cognatum subsp. cognatum Date: 1929-08-01 Country: Iran, Islamic Republic of
Institution: Royal Botanic Gardens, Kew Collection: Herbarium Basis of record: Preserved specimen Catalogue number: Herbarium:K005829446 View record