Cypripedium alternifolium St.-Lag.
First published in Ann. Soc. Bot. Lyon 7: 62, 124 (1880), nom. illeg.
This name is a synonym of Cypripedium calceolus
POWO follows these authorities in synonymising this name:
- Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Cypripedium calceolus.]
- Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Cypripedium calceolus.]
Other Kew resources that provide information on this taxon:
Kew Names and Taxonomic Backbone
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
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