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Arapaho National Forest, Williams Fork Mts., County Rd. 3, ca. 0.5 mi. W of Lost Creek, ca. 11 air mi. SW of Hot Sulphur Springs.

Arapaho National Forest, Front Range, along County Rd. 41, ca. 2 mi.W of US Hwy. 34, ca. 4-4.5 air mi. NNW of Granby.

Arapaho National Forest, Front Range, Loveland Pass, ca. 9 air mi. SSW of Georgetown, ca. 13.5 air mi. SSE of Byers Peak.

Arapaho National Forest, Front Range, along Beaver Creek at the junction of Spring and Beaver Creeks.

Foothills along the Cache La Poudre River

Phantom Canyon Preserve, 6 miles W of Cherokee Park Rd. from its intersection with Us Hwy. 287; 1.5 miles N on Andrews Park Rd; 0.7 miles on 2-track to preserve gate; in drainage 0.5 miles N of gate

Santa Fe National Forest and Vicinity: Sierra Nacimiento; Joaquin Canyon on the N side of Mesa Venado, .75 miles W of Rio Guadalupe. 6.5 miles W of Jemez Springs, 19.5 miles SSE of Cuba

Big Thompson Canyon, 7 miles W of CR 27 along Hwy 34 where it crosses the Big Thompson River.

0.6 miles S of US Hwy. 50, Gunnison CR 25; bank of Trout Creek

Phantom canyon Preserve, 25 miles N of Ft. Collins along US Hwy. 287, along W side of N fork of Cache La Poudre River, Preserve "Reach 4" at rivers edge

Middle Park, Muddy Creek, ca. 2 air mi. NNW of Kremmling and ca. 2 air mi. SW of Wolford Mt.

Arapaho National Forest, Rabbit Ears Range, 0.5 mi. S of Willow Creek Pass along Pass Creek, ca. 28.5 air mi SE of Walden.

Williams Fork Mts., ca. 2 mi. NW of Green Mountain Reservoir along Colorado State Hwy. 9.

Platte River

Rio Grande River 1.2 mi. N from Cochiti pueblo. Upper Sonoran.

Middle Park S of Colorado River, ca. 1.5 air mi. W of Parshall and ca. 10.5 air mi. E of Kremmling

Arapho National Forest, Front Range, Jim Creek, ca. 2-2.5 air mi. SE of Winter Park, ca. 5 air mi. NE of Berthoud Pass.

Santa Fe National Forest and Vicinity: Jemez Mountains: canyon de la Alameda to Rio Gallina, 14 miles NNE of Gallina. SW for 1 mile in canyon to Rio Gallina then 0.4 miles E along river

Santa Fe National Forest and Vicinity: Jemez Mountains; Canones Creek, 6.5 miles SSE of Youngsville; 0.7 miles along creek

Wet ditches and road banks along Gothic Road (Forest Road 317), N of Crested Butte Ski Area

Evans, CO, Along ditch bank

Santa Fe National Forest and Vicinity: Sierra Nacimineto: Joaquin Canyon on the N side of Mesa Venado, .75 miles W of Rio Guadalupe, 6.5 miles W of Jemez Springs; 19.5 miles SSE of Cuba

Santa Fe National Forest and Vicinity; Sangre de Cristo Mountains; Pablo Creek, 12 miles WSW of Las Vegas

Comanche National Grassland. W of Rd. 108, NW of US350 and Bloom

Arapaho National Forest, Front Range, Vasquez Rd., ca. 5.5 air mi. S of Fraser, along Vasquez Creek

Table Mountain; a lava capped mesa in the Denver Formation

Along Larimer Co. Rd. 37 (Red Mtn. Rd.) 4 mi E of intersection with US Hwy 287; roadside.

Colorado State Hwy 119, ca, 350 m east of Boulder Falls.

Hidden Valley Campground and environs, 0.5 miles S of US Hwy. 50 along CR 40, 1 mile E of Coaldale

Collection from spring fed swale with cottonwood and willows, open areas dominated by sedges

Collected 3 miles W of Greeley off US 34

Cliffs S of Gunnison County Rd. 25, ca. 2 mi. S of US Hwy. 50 near gate.

ca. 2.2 mi along Greyrock trail from trailhead; ca. 7 mi W on CO Hwy 14 from Ted's Place, ca. 9 mi N of Ft. Collins; In

US 34, 2 miles W of junction with road to Carter Lake. Base of foothills. left side of road when facing west

4 air mi NW of Gascon near end of NM HWY-109 N35.9395 W105.4839

LaSalle, CO - Beet field

W of Greeley, near a ditch

Sante Fe National Forest and Vicinity; Jemex mountains: Coyote Creek at Forest Road 317/316 junction, 7 miles S of Coyote

Just below Loveland water Works along the banks of the Big Thompson River

Devil's Gulch

East Park Creek, 14 miles SSW of Glenwood Springs, Co on CR 117 to East Park Creek. 11 miles WSW from Carbondale, CO 1.25 miles S of Pitkin/Garfeield County lines, 1.25 miles E of Pitkin/Mesa county lines

Valles Cladera National Preserve: Sulphur Springs gate NE 1 miles to and beyond Sulphur Springs

Valles Caldera Naitonal Forest and Vicinity: Jemez Mountains; 1.5 miles N of North summit of Cerros de Trasquilar, 13 miles NW of of Los Alamos

Area 1 of project, 1 miles N of Milliken

Big Thompson Canyon, near Drake

Along roadside next to the stream on CO 7, 4 miles E of Allenspark, CO

Waste area 4 miles N of Las Animas Co

5 miles W of Greeley

Bear Creek Trail, just S of Ouray, off US Hwy. 550

20 miles W of Loveland