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Mexico, Chihuahua, Km 40 E Moctezuma (on Hwy 45 N Chihuahua) at Arroyo El Pujido, Puerto El Gallo. 30°8'2.0"N, 106°4'56.4"W. 1559 m.

Mexico, Chihuahua, On yuccas at Arroyo El Pujido, Puerto El Gallo, 40 km E Moctezuma, 1559 m. 30°8'2.0"N, 106°4'56.4"W.

Mexico, Chihuahua, Camargo, dry arroyo

Mexico, Chihuahua, On Yucca elata on semi-stabilized sand dunes, Rancho La Bamba. 1380 m. 30°5'11.7"N, 105°24'30.8"W.

New Mexico, 2 miles west Aragon

New Mexico, 7 miles west Horse Springs

Nevada, Anaho Island, Pyramid Lake

Mexico, Chihuahua, Ejido del Carrizo, 82 km N Coyame. 1459 m. 29°58'27.5"N, 105°15'45.8"W.

Mexico, Chihuahua, On A. Bush in grassland near Cerro Santa Anita. 29° 40'14.1"N, 105° 19'13.6"W.

Mexico, Chihuahua, Stream passing through Ejido Ojo del Carrizo, 82 km N Coyame. 1459 m. 29°58'27.5"N, 103°15'45.8"W.

Colorado, Great Sand Dunes National Monument, Interdune Pond, GPS N37°44.080' W 105°36.109'

Arizona, 0.7 miles S HWY 82 on HWY 90 NE 10

Mexico, Chihuahua, On Yucca torrey at Rancho La Bambita, 1460 m. 30°17'41.5"N, 105°26'53.8

New Mexico, 6 miles west southwest Horse Springs

Colorado, Vogel Canyon, access road

Colorado, ca. 20 miles north Craig

Colorado, HWY 109, mile marker 29, going south

Arizona, 3 miles W Elgin

Colorado, S. La Junta

Colorado, 3 mi S of Axial

Mexico, Mexico State, San Juan Acazuchitlan, 2646 m. 20°8'3.3"N, 99°36'15.8"W.

Colorado, Otero County

Arizona, Bald Hill, Research Ranch, 5 miles SE Elgin

Mexico, Mexico State, Hwy 57, Km 99.5 (Mexico-Queretaro), 20° 2' 28.9"N, 99° 34' 26.9" W. 2533 m

Mexico, Mexico State, San Juan Acazuchitlan, 2646 m. 20° 8' 3.3" N, 99° 36' 15.8" W. In rock crevice.

Arizona

Colorado, Arvada, at 74th Place and Secrest Court

Honduras, 17 mim E Jicaro Galan. In deep moss on rocks in fast current.

Mexico, Guerrero, 40 mi N Acapulco

Mexico, Mexico State, El Progresso

Mexico, Coahuila, Hercules Mine, Mpio. Sierra Mojada, Coahuila, 28° 00' 20.7" N, 104° 31' 1.7" W. 1343 m elevation.

Mexico, Chihuahua, Ejido de Jaco. 27° 57' 34.1"N, 103° 57' 16.0" W. 1283 m.

Mexico, Chihuahua, 900 m W gas company, Casas Grandes. 1533 m. 30° 21' 52.8"N, 107° 58' 34.6"W.

Mexico, Chihuahua, 3 km N Rancho El Gatuno. Small hill, Sierra Encinillas. 1416 m. 28° 8' 33.0" N, 104° 6' 22.7 "W.

Mexico, Chihuahua, Rancho Alpine

Mexico, Chihuahua, 3 km S Nuevo Casas Grandes. 1584 m. 30° 18' 26.3" N, 107° 49' 25.4" W.

Mexico, Durango, Presa Francisco Zarco, 1256 m elevation. 25° 9' 15.4" N, 103° 46' 20.2" W

Mexico, Chihuahua, Near border with Sonora, Microondas San Luis, Mpio. Janos, 2074 m elevation.31° 19' 30.7" N, 108° 45' 20.8" W.

Mexico, Chihuahua, Arroyo El Camuchil, Batopilas, Chihuahua. 435 m elevation. 27° 34' 34.1" N, 107° 45' 44.5" W.

Mexico, Chihuahua, Road to Namiquipia, 5 km W Hwy 45

Mexico, Chihuahua, Sierra Espiritu Santo, 5 km SW Rancho San Francisco.

Mexico, Chihuahua, Vicinity of Ranchos El Virulento de Adentro and El Virulento de Afuera. Canones de Sierra El Virulento. 1602 m elevation. 28° 47' 45.1" N, 104° 19' 1.9" W.

Colorado, Mesa Verde National Park, Dolores River Road between Dolores and WSO field school at bend in river

Mexico, Chihuahua, 2 km E. of Rancho el Escondido 29 54' 39.7" N. 105 28' 58.2" W 1286m

Colorado, Montrose County

Colorado, Side Canyon off Monument Canyon

Colorado, Mesa Verde National Park, RMO

Colorado, Mesa Verde National Park, 1.3 mi into Wetherill Rd. just below tank

Colorado, Mesa Verde National Park, Chapin Mesa, frame housing area, S end of loop

Colorado, Mesa Verde National Park, Wethenill Mesa, mile 8.8