Todsen's pennyroyal
Taylor, R. V. 2003. A botanical rarity on the range. Submitted to White Sands Missile Ranger Newspaper. .
BLM 1994. Todsen's Pennyroyal 1994 Progress Report. 73p.
Sivinski, R. 1991. Annual Section 6 performance report monitoring endangered plants (job 1). Unpublished report for U.S. Fish and Wildlife Service, Albuquerque, NM. 135 p + maps.
Dunmire, W.W. 1990. Hedeoma todsenii inventory of Sacramento Mts, Caballo Resource Area, BLM. Unpublished report for BLM by TNC. 11 p + maps + photos.
Hartsough, M. 2016. Annual permit report for endangered species monitoring at White Sands Missile Range. Eco, Inc.
Hartsough, M. 2014. White Sands Missile Range endangered species annual report. White Sands Missile Range, TE-105165-0.
Britt, Charles. 2015. Plot summary data for the Hedeoma todsenii populations on White Sands Missile Range. Mesa Ecological Services, LLC.
Taylor, R. V. 2002. Review of monitoring protocol for Todsen's pennyroyal (Hedeoma todsenii) at White Sands Missile Range, New Mexico. The Nature Conservancy.. 13 p.
White Sands Missile Range. 2002. U.S. Department of the Army. CSTE-DTC-WS-ES-ES. White Sands Missile Range Integrated natural resources management plan (INRMP). FINAL.
Hartsough, M. 2015. White Sands Missile Range native endangered species annual report. EOC Inc and White Sands Missile Range. TE-105165.