Origin and Habitat: Uraupan, Michoacán (Mexico, Northern America)

• Mammillaria compacticaulis Repp.

• Mammillaria matudae Bravo
• Mammillaria compacticaulis Repp.
• Mammillaria matudae f. duocentralis Fittkau
• Mammillaria matudae var. robusta
• Mammillaria matudae var. serpentiformis Fittkau

Description: It is a solitary globular cactus, up to 10 cm tall, 8 cm wide.
Flowers: The flowers are dark magenta and appear in a ring through the crown of the plant in June.

Bibliography: Major references and further lectures
1) Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
2) James Cullen, Sabina G. Knees, H. Suzanne Cubey "The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass" Cambridge University Press, 11/Aug/2011
3) David R Hunt; Nigel P Taylor; Graham Charles; International Cactaceae Systematics Group. "The New Cactus Lexicon" dh books, 2006
4) N. L. Britton, J. N. Rose “The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family.” Volume 4, The Carnegie Institution of Washington, Washington 1923
5) John Pilbeam “Mammillaria The Cactus File Handbook” 1999