Accepted Species
First published in: Brittonia 33(4): 552-554, figs. 1-2. (1981).
Etymology: Honoring Dr. Noel Herman Holmgren, taxonomist and curator at the New York Botanical Garden. [source]
Haynes, JL. Etymological compendium of cycad names. Phytotaxa 2022;550(1):1-31.
Distribution: Mexico (Oaxaca)
IUCN Red List Conservation Status: Vulnerable B1ab(iii)+2ab(iii)
References (4)