1994
Sivinski, R. 1994. Sclerocactus mesae-verdae, 1994 progress report (section 6, segment 9).
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rattlesnake fern
Sivinski, R. 1994. Sclerocactus mesae-verdae, 1994 progress report (section 6, segment 9).
Lea, A. 1996. NMHP cooperators plant occurrence specimen data collection forms generated from specimen information in University of New Mexico Herbarium.
Sivinski, R. and K. Lightfoot. 1995. State lands rare plant survey project. 1994 progress report. Section 6 report, Project #E9, segment 9 by NM Forestry and Resources Conservation Division for U.S. Fish and Wildlife Services. New Mexico Ecological Ser
Dunmire, W. 1990. Plant collection records 1990. 6 p.
Rowell, C.M., Jr. 1983. Status report [on Amsonia tharpii]. Report prepared for the U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
Allen, C., J. McGrath, and D. Oney. 1992. Threatened, endangered, and sensitive plant observation record for Botrychium virginianum. 2 p.