A photo of Lechuguilla.
By Geology and Ecology of National Parks
June 1990 (approx.)

Detailed Description
Lechuguilla (Agave lechuguilla) is one of the indicator plants of the Chihuahuan Desert ecosystem (Gucker, 2006). The small agave species is common in the lower to mid elevations throughout Big Bend National Park.
Sources/Usage
A photo of Lechuguilla.