For the plants below links to PubMed and the USDA Natural Resource Conservation Service are provided. At the time this list was made, these species were poorly represented in the PubMed database.
Hepatica acutiloba (Hepatica nobilis var. acuta) (Sharplobe hepatica)
Mitchella repens (Partridge berry)
Rosa palustris (Swamp rose)
Scutellaria incana (Skull cap)
Scutellaria integrifolia (Helmet skull cap)