Coryphantha pycnacantha

{{Short description|Species of cactus}}

{{Speciesbox

|image = Coryphantha pycnacantha 03.jpg

|status = EN

|status_system = IUCN3.1

|status_ref =

|genus = Coryphantha

|species = pycnacantha

|authority = (Mart.) Lem.

}}

Coryphantha pycnacantha is a cactus species endemic to central Mexico.

It is native to the states of Hidalgo, Puebla, Tlaxcala, and Veracruz

It grows on deep lava soils, and is an IUCN Red List Endangered species.{{Cite journal|last=IUCN|title=Coryphantha pycnacantha: Dicht, R.F. & Lüthy, A.D.|journal=IUCN Red List of Threatened Species|doi=10.2305/iucn.uk.2013-2.rlts.t40820a2934278.en|year=2009|doi-access=free}}