Mammillaria gigantea · iNaturalist
Graham's fishhook cactus (Cactus of Metro Phoenix (April 2021 EcoQuest Guide)) · iNaturalist
Graham's fishhook cactus (Sonoran Desert Wildfire Plants (July 2020 EcoQuest Guide)) · iNaturalist
pincushion cactuses (Genus Mammillaria) · iNaturalist
Photos of Common Fishhook Cactus (Mammillaria tetrancistra) · iNaturalist
Photos of Common Fishhook Cactus (Mammillaria tetrancistra) · iNaturalist
Mammillaria grahamii, Arizona fishhook cactus
Graham's fishhook cactus (Sonoran Desert Wildfire Plants (July 2020 EcoQuest Guide)) · iNaturalist
Species Detail Cacti
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Graham's fishhook cactus (Subspecies Mammillaria grahamii grahamii) · iNaturalist
Mammillaria muehlenpfordtii · iNaturalist
Mammillaria grahamii - Graham's Nipple Cactus, Pincushion Cactus, Arizona Fishhook - Southeastern Arizona Wildflowers and Plants