1990
Sivinski, B. and A. Cully. 1990. Element occurrence record for Coryphantha duncanii at Mud Mountain, NM.
U90SIV01NMUS
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GUADALUPE MESCALBEAN
Sivinski, B. and A. Cully. 1990. Element occurrence record for Coryphantha duncanii at Mud Mountain, NM.
UNM Herbarium. 2000. Excel spreadsheet containing UNM specimen records for New Mexico Rare Plant Technical Council mapping project..
Sivinski, R. 1991. Status report on Sophora gypsophila var. guadalupensis. NM Dept. of Energy, Minerals, and Natural Resources, Forestry Division.
Clayton, P. 1989. Field notes from Philip Clayton on Sophora gypsophila var guadalupensis. Las Cruces District Office.
Clayton, P. 1989. Memorandum to WSRA Area manager concerning distribution study for Sophora gypsophila var guadalupensis in the Brokeoff Mtns., from the Las Cruces District Office.
Clayton, P. 1988. Field book of Philip Clayton, BLM, LCDO.
Sivinski, R. and K. Lightfoot. 1991. NM Rare Plant Occurrence record data sheet of 10 July 1991 for Trifolium neurophyllum. EMNRD, Santa Fe.
Knight, P. Marron and Associates Inc., 7511 Fourth Street, Albuquerque, NM 87107-6629 (505) 898-8848
New Mexico Department of Game and Fish. 2010. Lesser prairie-chicken lek observations 1996-2010.
S99SIVSBNMUS, Legacy reference. Physical copy not yet located.