Regularity: Regularly occurring
Global Range: It occurs in south Texas (from Val Verde Co. to Bexar and Hidalgo Cos.) and in the adjacent area in northern Mexico.
Habitat and Ecology
Comments: It occurs in grasslands at low elevations.
IUCN Red List Assessment
Red List Category
Red List Criteria
Mammillaria prolifera is listed as Least Concern because it has a very large extent of occurrence and is abundant. Although there are threats in places, they are not sufficient to warrant any concern.
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked
NatureServe Conservation Status
Rounded Global Status Rank: G4 - Apparently Secure
Reasons: Rank of G4 from TXHP (3/94). Restricted range in southern Texas and northern Mexico.
Comments: Most cacti subject to horticultural collecting.