Literature references
1 literature reference for Echinopsis ancistrophora var. sulphurea (R. Vásquez) Rausch:
| Author: | – |
|---|---|
| Year: | 2013 |
| Title: | – |
| Source: | The International Plant Names Index, botanical information system from the Royal Botanic Gardens, Kew, the Harvard University Herbaria, and the Australian National Herbarium, available at http://www.ipni.org/index.html |