Macdougal’s Nipple Cactus (Mammillaria heyderi var. macdougalii) https://t.co/5O2eg2Y50V

— Kenne Turner (@Kennetu) 2022.4.29

Photo: Macdougal’s Nipple Cactus (Mammillaria heyderi var. macdougalii) Edi Moore guided us to a couple of... http://t.co/Kd0W9ZpGih

— Kenne Turner (@Kennetu) 2013.4.25

Macdougal's Nipple Cactus (Mammillaria heyderi var. macdougalii) http://t.co/ly5eG8Fl0s

— Kenne Turner (@Kennetu) 2013.4.25