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]
Distribution: Mexico (Oaxaca, Puebla)
IUCN Red List Conservation Status:
Endangered A2cd; B1ab(i,ii,iii,v)
References (5)
Comment(s) | ||
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1981
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De Luca P, Sabato S, Vázquez-Torres M. 1981. Dioon holmgrenii (Zamiaceae), a new species from Mexico. Brittonia 33
(4): 552-555.
[JSTOR]
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1979
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De Luca P, Sabato S. 1979. Dioon califanoi (Zamiaceae), a new species from Mexico. Brittonia 31
(1): 170-173.
[JSTOR]
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Protologue description
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2003
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Gregory TJ, Chemnick J, Salas-Morales SH, Vovides AP. 2003. A new species in the genus Dioon (Zamiaceae) from north-central Oaxaca, Mexico. Bot. J. Linn. Soc. 141
(4): 471-476.
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2022
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Haynes JL. 2022. Etymological compendium of cycad names. Phytotaxa 550
(1)
: 1-31.
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1986
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Stevenson DW, Sabato S. 1986. Typification of names in Ceratozamia brongn, Dion lindl, and Microcycas A. DC. (Zamiaceae). Taxon 35
(3): 578-584.
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