References
Ware, D.M.E. 1983. Genetic fruit polymorphism in North American Valerianella (Valerianaceae) and its taxonomic implications. Syst. Bot. 8: 33-44. Google Scholar
Ware, D.M.E. 1983. Genetic fruit polymorphism in North American Valerianella (Valerianaceae) and its taxonomic implications. Syst. Bot. 8: 33-44. Google Scholar