Extracted from the Wikipedia article Ignatz Urban.
References
- ^ ". Flora of the Greater Antilles Newsletter. 10.
- ^.
- ^ 88. JSTOR 20023198.
- ^
- ^ (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 2022.
- ^
