Pediocactus knowltonii
Roth, D. 2020. Pediocactus knowltonii (Knowlton’s Cactus) Summary Report (Section 6, Segment 34, 2020). NM Energy, Minerals, & Natural Resources Department, Forestry Division, Santa Fe, NM. Prepared for the U.S. Fish & Wildlife Service, Region 2, Albuquer
Roth, D. 2016. Pediocactus knowltonii (Knowlton’s Cactus) 30 YEAR Summary Report (Section 6, Segment 30, 2016). NM Energy, Minerals, & Natural Resources Department Forestry Division Santa Fe, NM. Prepared for the U.S. Fish & Wildlife Service, Region 2, Al
Roth, D. 2015. Pediocactus knowltonii (Knowlton’s Cactus) 2015 Summary Report (Section 6, Segment 29). NM Energy, Minerals, & Natural Resources Department, Forestry Division, Santa Fe, NM. Prepared for the U.S. Fish & Wildlife Service, Region 2, Albuquerq
Roth, D. 2013. Pediocactus knowltonii (Knowlton’s Cactus) 2013 Summary Report (Section 6, Segment 27). NM Forestry Division, Prepared for the U.S. Fish & Wildlife Service, Region 2, Albuquerque, NM.
Roth, D. 2012. Pediocactus knowltonii (Knowlton’s Cactus) 2012 Summary Report (Section 6, Segment 26). NM Forestry Division, Prepared for the U.S. Fish & Wildlife Service, Region 2, Albuquerque, NM.
Sivinski, R. 2011. Knowlton’s Cactus (Pediocactus knowltonii): Progress Report. Robert Sivinski, NM Forestry Division For U.S. Fish & Wildlife Service, Region 2, Section 6, Segment 25, 28 October 2011.
Roth, D. 2017. FWS Section 6, Segment 31 Report for Knowlton's cactus (Pediocactus knowltonii), Holy Ghost Ipomopsis (Ipomopsis sancti-spiritus), Pecos Sunflower (Helianthus paradoxus), Lee's Pincushion Cactus (Escobaria sneedii var. leei), Swale Paintbur
Sivinski, R. 2002. Endangered Plant Study. Sante Fe, NM: New Mexico Forestry Division; Performance and Progress Report E-9-16. 116p.
Roth, D. 2019. Knowlton's Cactus (Pediocactus knowltonii) 2019 Summary Report. NM Energy, Minerals, & Natural Resources Department.
Sivinski, R. 1994. Knowltons's cactus (Pediocactus knowltonii), 1994 progress report (Section 6, Segment 9).