Não informado. (1939). Contributions from the University of Michigan Herbarium. University of Michigan Herbarium.
Lua i Stíl Chicago (17ú heag.)Não informado. Contributions from the University of Michigan Herbarium. Ann Arbor, Mich: University of Michigan Herbarium, 1939.
Lua MLA (8ú heag.)Não informado. Contributions from the University of Michigan Herbarium. University of Michigan Herbarium, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.