DUNCAN'S CORYCACTUS
Sivinski, B. and A. Cully. 1990. Element occurrence record for Coryphantha duncanii at Mud Mountain, NM.
Clayton, P. 1988. Memorandum to WSRA Area manager concerning distribution study for Duncan pincushion cactus, Coryphantha duncanii on the Mud Springs Mtns, Sierra Co., BLM, Mimbres R.A., Las Cruces District Office.
Howard, M. White Sands BLM Resource Area, 1800 Marquess Las Cruces, NM 88005 (505)525-8228
Howe, M., and T. Phillips. 1987. Sensitive threatened and endangered species plant data form. Unpublished plant form on Coryphantha duncanii for BLM Las Cruces district. White Sand Resource Area dated 17 July 1987. 1p.
Howard, M. 2011. BLM Special Status Plants Data. Plant Conservation Program, Bureau of Land Management, New Mexico State Office.