Echinocereus fendleri var. kuenzleri
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Black, K. Kilday, L. Mercurio, C. Lawrence, J. (1998) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Kuenzler Survey. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.
Ball, B. (1998) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Kuenzler Cactus Survey. Guadalupe Ranger Distirct, Lincoln National Forest. 4 p.
Sharpe, M. (1997) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, USFS. Guadalupe Ranger District, Lincoln National Forest, USFS. 6 p.
Paul, L. Lacewell, L. Sherman, J .(1997) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Kuenzler's Survey- Burleson Rx Burn (BLM/FS). Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.
Hensel, E. Benecke, T. Spindler, F. (1997) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 3 p.
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Hensel, E. Benecke, T. Spindler, F. (1997) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 3 p.