Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Calluna vulgaris; Erica vulgaris (Heather). Rowan McOnegal. Source: Wellcome Collection.
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Calluna vulgaris; Erica vulgaris (Heather). Rowan McOnegal. Source: Wellcome Collection.