Torrey Botanical Club., Torrey Botanical Club: Bulletin of the Torrey Botanical Club. Band19. Torrey Botanical Club, New York 1892 (biodiversitylibrary.org [abgerufen am 4. Oktober 2022]).
doi.org
Grace E. Cooley: Plants Collected in Alaska and Nanaimo, B. C., July and August, 1891. In: Bulletin of the Torrey Botanical Club. Band19, Nr.8, 1892, ISSN0040-9618, S.239–247, doi:10.2307/2476275, JSTOR:2476275.
Grace E. Cooley: Plants Collected in Alaska and Nanaimo, B. C., July and August, 1891. In: Bulletin of the Torrey Botanical Club. Band19, Nr.8, 1892, ISSN0040-9618, S.239–247, doi:10.2307/2476275, JSTOR:2476275.
Grace E. Cooley: Plants Collected in Alaska and Nanaimo, B. C., July and August, 1891. In: Bulletin of the Torrey Botanical Club. Band19, Nr.8, 1892, ISSN0040-9618, S.239–247, doi:10.2307/2476275, JSTOR:2476275.