76001 Parthenium ericoides Extensive stand, shrubs up to 3 ft. high. Moss collection, liney gravel. Low Sierra. 5 miles E Mex Navy Air Foothills. 13 miles NE of Hwy 45 near Moreno, Chi. Aug. 19, 1976 76002 Parthenium argentatum Nearly pure. Seeds sparse. Upright shrubs with single trunk, branched above. Rocky hillside. Navajo in vicinity. Same as 76001. Moss collection, up to 3 ft. high. 76003 Parthenium argentatum. Introgessed, slightly later flowering than pure quayule. Shrubs averaging smaller. Same as 76001,