Accepted Species
First published in: Brittonia 31(1): 170-172, figs. 2-3. (1979).
Etymology: Honoring Prof. Luigi Califano (1901–1976) of the Accademia Nazionale dei Lincei, Italy, who introduced the authors to the dioons of Mexico. [source]
Haynes, JL. Etymological compendium of cycad names. Phytotaxa 2022;550(1):1-31.
Distribution: Mexico (Oaxaca, Puebla)
IUCN Red List Conservation Status: Endangered A2cd; B1ab(i,ii,iii,v)
References (5)