Park visitors rest under a tamarisk or salt cedar (Tamarix sp.) near a sand dune and small cave in Boquillas Canyon. Tamarisk is an invasive plant that has spread throughout river systems of the Desert Southwest (Muzika and Swearingen, 2009).

The URL is: https://gotbooks.miracosta.edu/gonp/bibe/html/bb226.htm Last modified: 8/8/2010