Sclerocactus cloveriae ssp. cloveriae
2005
Dodge, J. 2005. Documentation of cancellation mitigation monitoring of Brack's hardwall cactus (Sclerocactus cloveriae ssp. brackii), BP's A.L. Elliott D #1C Well Pad Project.
U05DOD02NMUS
Request Publication
2004
Powell, E.L. 2004. Ecosphere Environmental Services Report on transplanted Brack's cacti at the proposed BP Lobato Gas Com E #1M well pad.
U04POW01NMUS
Request Publication
2011
Ecosphere Environmental Services, Inc. 2011. Biological survey report: William Four Corners, LLC proposed Lateral R-5 pipeline lowering project. Submitted to BLM Farmington Field Office. 14 p.
U11ECO02NMUS
Request Publication
2006
Rink, G. 2006. Plant collection list at Aztec Ruins and El Morro National Monuments.
D06RIN01NMUS
Request Publication
1994
Heil, Kenneth D. and J.M. Porter. 1994. Sclerocactus (Cactaceae): A revision. Haseltonia 1994(2): 20-46.
A94HEI01NMUS
Request Publication
2015
East, M. 2015. Database of surveys for Brack's cactus (Sclerocactus cloveriae ssp. brackii) in northwestern New Mexico. Natural Heritage New Mexico.
D15HER01NMUS
Request Publication