Wikipedia:WikiProject Hypericaceae/Resources

Websites

 * Dedicated Hypericum website: Hypericum MySpecies (Synonyms, habitat, distribution, child taxa, description)
 * Public domain plant photos: National History Museum Data Portal

Databases

 * Plants of the World Online (Synonyms, Distribution)
 * eFloras
 * The Plant List (Taxon name information)
 * Royal Horticultural Society (Descriptions, distribution, growing conditions)
 * GRIN (Uses, distribution, sections)
 * Online databse of the Alpine Garden Society
 * Tropicos

By Region
United States
 * Wisonsin: Online Virtual Flora of Wisconsin

Europe
 * Flora Europaea
 * Euro+Med (Distribution, Common names, Synonyms)
 * Conservation Status: EUNIS

China
 * Flora of China: 1. HYPERICUM Linnaeus, Sp. Pl. 2: 783. 1753.

Africa
 * PROTA4U

By Species

 * H. athoum: Ontario Rock Garden

Books

 * Hypericum sections Myrianda, Webbia, Arthrophyllum, Triadenoides, Heterophylla, Adenotrias, Humifusoideum, and Adenosepalum: Studies in the genus Hypericum L.
 * Hypericum of the south-east United States: Identification, Distribution, and Habitat...
 * Chromosome numbers of some Hypericum species: CHROMOSOME NUMBERS IN THE GENUS HYPERICUM
 * Phylogenetics of Hypericum: Molecular phylogenetics and morphological evolution of St. John’s wort (Hypericum; Hypericaceae)
 * Chemotaxonomy of the genus Hypericum: Taxonomy and Chemotaxonomy of the Genus Hypericum

By Species

 * H. sechmenii: Anatomical studies and conservation status of rare endemic Hypericum sechmenii Ocak&Koyuncu (Sect: Adenosepalum) from Eskişehir- Turkey

Taxonomy

 * Clades of Hypericum and Fossil History: Reconstructing deep-time palaeoclimate legacies in the clusioid Malpighiales unveils their role in the evolution and extinction of the boreotropical flora

Chemistry

 * Phytochemicals in leaves: Occurrence and Distribution of Phytochemicals in the Leaves of 17 In vitroCultured Hypericum spp. Adapted to Outdoor Conditions (sections Hypericum, Adenosepalum, Ascyreia, and Psorophytum)
 * Effects on Microorganisms: The effects of Hypericum (Hypericaceae) species on microorganisms: a Review (Miscellaneous species)