arroyo drainage between low volcanic rhyolitic tuff hillsides.Very large tree measured at 40' tall, trunk 90 inches in circumference (3 feet above soil line. Scale provided by Dr. Richard Spellenberg, Professor Emeritus, Biological Sciences. New Mexico State University
riparian corridor of small tributary of Rio Verde in narrow canyon cut in volcanic rhyolitic tuff. Plants in volcanic silts, coarse soils, mixed gravels and scattered large boulders of canyon bottomland. This is an extraordinarily tall mature specimen with height inferred by 6'10' figure visible at base of tree as ca. 36+ feet
riparian corridor of small tributary of Rio Verde in narrow canyon cut in volcanic rhyolitic tuff. Plants in volcanic silts, coarse soils, mixed gravels and scattered large boulders of canyon bottomland. Large mature tree with estimated height exceeding 36', circumference greater than 8'. Scale provided by Dr. Richard Spellenberg, Professor Emeritus, Biological Sciences, New Mexico Sate University