Taxon - Links and literature
subspecies
Imperforate St John's-wort
Hypericum maculatum subsp. maculatum
Flora of Northern Ireland [2958]
Hackney P.: Flora of Northern Ireland [http://www.habitas.org.uk/flora/index.ht...]
Kew Science - Plants of the World online 2024-05 [77172773-1]
Kew Science - Plants of the World online [https://powo.science.kew.org], Facilitated by the Royal Botanic Gardens, Kew [as Hypericum maculatum subsp. maculatum]
Data retrieved on: 1 February 2025