Photo:
Bentham-Moxon Trust.; Curtis, William; Curtis's botanical magazine dedications, 1827-1927 : portraits and biographical notes.; Royal Botanic Gardens, Kew.; Stanley Smith Horticultural Trust., no known copyright restrictions (public domain) · Public domain · source
2 of 67 counties, from research-grade iNaturalist observations. They show where people have photographed it, not every place it grows — absence here isn't proof it's absent.
