التعريف: This organism produces this material or substance, either during its life or after death. A produces B if some process that occurs in A has output B.
التعريف: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
Known occurrences, collected specimens and observations of Mammillaria karwinskiana subsp. nejapensis (R. T. Craig & E. Y. Dawson) D. R. Hunt. View this species on GBIF