Mammillaria marcosii in habitat.......
Mammillaria marcosii WTH 1070
WTH 1070 - Between Guamuchil and El Rucio, in vertical cliffs - Guanajuato - Mexico
Photograph in habitat by Wolter ten Hoeve - Assen - The Netherlands
Photograph in habitat by Wolter ten Hoeve - Assen - The Netherlands