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little nipple cactus
Plants

Little Nipple-cactus

Mammillaria heyderi

Authorship: Muehlenpfordt

Sources

[Anderson (UTEP)]

Taxonomic Classification

KingdomPlantae
PhylumMAGNOLIOPHYTA (Flowering Plants)
ClassMAGNOLIOPSIDA (Dicots)
FamilyCACTACEAE (Cactus Family)
GenusMammillaria
Speciesheyderi

Recent Observations

Sourced from iNaturalist

little nipple cactus (opens in new tab)
little nipple cactus
rosebroadOct 2, 2026Big Bend National Park, Brewster County, US-TX, US
little nipple cactus (opens in new tab)
little nipple cactus
rosebroadOct 2, 2026Big Bend National Park, Brewster County, US-TX, US
little nipple cactus (opens in new tab)
little nipple cactus
luckypenOct 25, 2026Arroyo Acres, Harlingen, TX, US
Mammillaria heyderi macdougalii (opens in new tab)
Mammillaria heyderi macdougalii
sierrainwinterOct 13, 2026Vail, AZ, US
Mammillaria heyderi macdougalii (opens in new tab)
Mammillaria heyderi macdougalii
sierrainwinterOct 13, 2026Vail, AZ, US
Mammillaria heyderi macdougalii (opens in new tab)
Mammillaria heyderi macdougalii
sierrainwinterOct 13, 2026Vail, AZ, US
Biznaga china (opens in new tab)
Biznaga china
ulises_pinedoOct 24, 2026Nuevo León, MX
Mammillaria heyderi macdougalii (opens in new tab)
Mammillaria heyderi macdougalii
billygdvmOct 24, 2026Pima County, US-AZ, US
Mammillaria heyderi macdougalii (opens in new tab)
Mammillaria heyderi macdougalii
billygdvmOct 24, 2026Pima County, US-AZ, US
little nipple cactus (opens in new tab)
little nipple cactus
maggieeeeeOct 23, 2026Carlsbad Caverns National Park, Carlsbad, NM, US

Conservation assessments from the following sources:

  • NatureServe Explorer
  • IUCN Red List
  • Texas Parks & Wildlife — Species of Greatest Conservation Need (SGCN)
Conservation status by source
IUCN Red List
LCLeast Concern
NatureServe Global (opens in new tab)
G4Apparently Secure
NatureServe (Texas) (opens in new tab)
SNRNot Ranked
Texas SGCNNot assessed