References

For Valerianella

Christenhusz, M.J.M., M.F. Fay, and J.W. Byng, eds. 2018. The global flora: a practical guide to vascular plant species of the world. Special edition, GLOVAP nomenclature Part 1, vol. 4: 1-155. Google Scholar

Dyal, S.C. 1938. Valerianella in North America. Rhodora, 40(473): 185-212. 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

Weberling, F., and V. Bittrich. 2016. Valerianaceae. In Kadereit, J.W., and V. Bittrich. 2016. The families and genera of flowering plants. XIV. Flowering plants – Eudicots – Aquifoliales, Boraginales, Bruniales, Dipsacales, Escalloniales, Garryales, Paracryphiales, Solanales (except Convolvulaceae), Icacinaceae, Metteniusaceae, Vahliaceae. Springer, Berlin. 412 pp. Google Scholar