Knowlton's cactus

Roth, D. 2016. Pediocactus knowltonii (Knowlton’s Cactus) 30-year Summary Report (Section 6, Segment 30). Unpublished report prepared by EMNRD-Forestry Division, Santa Fe, NM for the U.S. Fish & Wildlife Service, Region 2, Albuquerque, NM.

• Pediocactus knowltonii
• Knowlton's cactus

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