Pycnacantha is a genus of African orb-weaver spiders first described by John Blackwall in 1865.[2]
^Cite error: The named reference NMBE was invoked but never defined (see the help page).
^Blackwall, J. (1865). "Descriptions of recently discovered species and characters of a new genus, of Araneida from the East of Central Africa". Annals and Magazine of Natural History. 16 (3): 336–352. doi:10.1080/00222936508679441.
Coryphantha pycnacantha is a cactus species endemic to central Mexico. It is native to the states of Hidalgo, Puebla, Tlaxcala, and Veracruz It grows...
Coryphantha delicata Coryphantha cornifera Coryphantha delicata Coryphantha pycnacantha Dicht, Reto F. and Lüthy, Adrian D. (2005) Coryphantha: Cacti of Mexico...
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