1988
Clayton, P. 1988. Field book of Philip Clayton, BLM, LCDO.
U88CLA02NMUS
Request Publication
ALAMO PENSTEMON
Clayton, P. 1988. Field book of Philip Clayton, BLM, LCDO.
Fletcher, R. Sept 26-27, 1983. Lincoln National Forest trip report.
New Mexico Natural Heritage Program, unpublished manual database plant records from NMNHP 1976 - 87. Forestry & Resources Conservation Div. of Energy, Minerals & Natural Resources Department
Fletcher, R. 1978. USDA Forest Service threatened and endangered species habitat study area notes for Penstemon alamosensis in Dog Canyon.
S84HEISJNMUS, Legacy reference. Physical copy not yet located.
S80SPESUNMUS, Legacy reference. Physical copy not yet located.
Mehlhop, P. 1997. Draft management plan for Holloman Air Force Base.
S70TODLCNMUS, Legacy reference. Physical copy not yet located.
S41NISSBNMUS, Legacy reference. Physical copy not yet located.
Boczkiewicz, S. 1995. Specimen tag information from the New Mexico State University herbarium, Las Cruces. 14 December 1995.