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brcacti: Backebergia militaris gets a unique helmet crest cephalium REP 660 Tepalcatepec, Michoacan, Mexico Altitude: 400m, Date: 10/9/1972. W. Mexico Michoacan district of Huetamo, Rio Balsas. Guerrero; Pico de Colima
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brcacti: photo by CactiLegacy - Own work, CC
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brcacti: Backebergia militaris
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brcacti: Backebergia Militaris