Yucca grandiflora

References

1. [1]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
2. [2]A New Yucca from Sonora — Gentry H.S. · 1957 ↩︎
3. [3]The Agave Family in Sonora; Agriculture Handbook No. 399 — Gentry H.S. · Agicultural Research Service, USDA; Washington D.C. · 1972 ↩︎Gives quite a lot of information on the traditional uses of the plants.
4. [4]The Warihio Indians of Sonora-Chihuahua; An Ethnographic Survey (Anthropological Papers, No. 65) — Gentry H.S. · Smithsonian Institution · 1963 ↩︎An excellent study
5. [5]Use and Nutritional Composition of some Traditional Mountain Pima Plant Foods — Laferriere J.E.; Weber C.W. & Kohlhepp E.A. · 1991 ↩︎
6. [PFAF]Plants for a Future — pfaf.org ↩︎