Colorado Native Plant Society - Plant Lists & Keys

Colorado Native Plant Society members keep lists of plants observed on many CoNPS field trips. Please email your new plant lists to conpsoffice@aol.com.

We hope you will join the Colorado Native Plant Society on its field trips. See the Field Trips Page and the individual chapter pages for field trips schedules. All trips are free and open to everyone.

Trip Location (All trips were in Colorado unless otherwise noted.)

Trips	Date	Leader	Recorders	# of pages alphabetized by family	# of pages alphabetized by genus	Comments
Hoosier Pass, Summit & Park Counties, CO	07/17/2010			2	2	Observed on CoNPS Field Trip
Opal Lake, Archuletta County, CO	07/10/2010	Susan Halabrin and Al Schneider	Bob Powell	5	4	Upper montane forest, SE San Juan Mtns; SE Archuleta County, south side of Rio Blanco Valley. Harris Lake Quadrangle. Plants found along the trail to Opal Lake.
Lair O'Bear, Jefferson County, CO	6/10/2010	Lenore Mitchell			2	CoNPS field trip, variable terrain from riverside to ponderosa forest
Cannonball Mesa, Montezuma County, CO	04/25/2009	Al Schneider, Arnold Clifford	Loraine Yeatts	3	4	Field trip to view plants on clay slope of Morrison Formation and on rimrock cap of Dakota sandstone.
Aiken Canyon, Southwest of Colorado Springs	6/6/1992			5	4
American Basin, Uncompahgre Mts., W. of Lake City	8/11/1995	Gay Austin	Stanley Smookler	2	2	Hike through American Basin to Sloan Lake, 11300 ft. to 12000 ft.
Billy Pardee Ranch, Pueblo County	6/6/1990	Rick Rhoades	Rick Brune, Jane Wustrow	1	1	Searched, unsuccessfully, for Frasera coloradense on outcrop of Greenhorn limestone; T24 R66W?
Black Rock Canyon, Carrizo Mts., Arizona	6/9/2001	Arnold Clifford, Sandy Friedley, Charlie King	Mary Kemp	3	2	Comments: Plants of special interest include Astragalus calycosus, A. coltonii, Erigeron argentius, Heuchera rubescens, Petrophyton ceaspitosum, Phlox austromontana, P. cluteana. E = endemic to Colorado; I = introduced; G or S+# = global occurrences, 1 = < 5, 2 = 6-20, 3 = 21-100 populations, 4 or 5 = secure but rare in parts of range, esp. at periphery; LE or LT = listed as endangered or threatened
Buffalo Creek Fire, Pike Nat'l Forest S. of Pine Junction	5/30/1998	Steve Vest & Rick Brune	Jerry Duncan	5	4	Field trip to view effects of a massive fire on May 18, 1996 and of recovery efforts. 1 = Top of the World campground, 2 = Heli Spot area. A = very abundant, = not in bloom.
Butler Ranch, Pueblo County	6/6/1990	Rick Rhoades	Rick Brune, Jane Wustrow	3	2	North canyon rim & drainages at junction of Herfano & Cucharas Rivers, T24W R64W
Carrizo Mountains, see "Black Rock Canyon"
Cap Rock Preserve, NW of fort Collins	5/21/1994	Terri Schulz	Keith & Terri Schulz	3	2	Short but strenuous hike to see high quality shrubland & grassland communities and pre-settlement foothillls vegetation, including rare plant, Aletes humilis.
Cedar Mesa & vicinity: SE Utah from Natural Bridges to Valley of the Gods	5/15/1991	Rick Brune, Loraine Yeatts	Loraine Yeatts	5	4	Site: A = Arch Canyon, BS = blow sand site N. of Bluff, CC = Cow Can., CM = Cedar Mesa, CR = Comb Ridge at UT hwy163, CW = Comb Wash camp at mouth of Arch Can., CW163 = Comb Wash at UT hwy 163, MC = Mule Can., NB = Natural Bridges, SI = Sand Island, VG = Valley of the Gods. Rare or endangered plants: Asclepias cutleri, Astragalus cronquistii, Erigeron kachinesis, Eriogonum clavellatum.
Chimney & Lewis Canyon, Chalk Bluffs and vicinity, near Sterling	6/21/1997	Don Hazlett, Bruce Bosley	Bruce Bosley	6	5	Trip focus: prairie wildflowers in Peetz Table Area which includes soft tertiary sandstone bluffs, canyons, and badlands. Noteworthy plants include Carex festucaceae, Pectis angustifolia, Talinum parviflorum. v = vegetative, bd = bud, fl = flower, ft = fruit.
Chuska Mts., New Mexico-Arizona Border	8/7/2001	Arnold Clifford, Sandy Friedley, Charlie King	Scott Ellis, Loraine Yeatts	5	4	Comments: SW Chapter field trip from Tohatchi, NM, north along spine of Chuska Mts., to Red Rock, Az, to US 666 and Shiprock, NM Plants of special interest: Astragalus chuskanus, endemic to Chuska Mts., Lesquerella navajoensis, Lysimachia hybridum, Cryptantha setosissima, Mentzelia sp. nov. I = introduced; G or S+# = global occurrences, 1 = < 5, 2 = 6-20, 3 = 21-100 populations, 4 or 5 = secure but rare in parts of range, esp. at periphery; LE or LT = listed as endangered or threatened
CO Nat'l Mon., Ute Canyon, Grand Junction	5/19/2001	Bob Clarke	Bob Clarke	3	2	Comments: E = endemic to Colorado; I = introduced; G or S+# = global occurrences, 1 = < 5, 2 = 6-20, 3 = 21-100 populations, 4 or 5 = secure but rare in parts of range, esp. at periphery; LE or LT = listed as endangered or threatened
Coal Creek, high plains uplands of Kiowa County	5/24/1995	Mike Scott, Jonathan Friedman	Mary Edwards	2	1	Trip to explore ecology of high plains riparian & adjacent uplands plant communities on Coal & Kiowa creeks. Plant list produced by trip leaders, National Biological Service, 6/29/1993, also available.
Colorado Sandhills, Wells Ranch, Greeley Dunes Area	6/13/1998	Rick Brune	Loraine Yeatts, Rick Brune, Jan Wingate, Jerry Duncan	3	2	Comments: Trip to Wells Ranch which has mosaic of Sandsage/Sand Bluestem Prairie & Sand Bluestem/ Sandreed Prairie, now rare plant associations due to overgrazing. = not in bloom or fruit
Conejos River Basin, Conejos County	6/20/1992	Patsy Douglas	Tim Hogan	5	4	Comments: Included subalpine forest near Spruce Park (ca. 10500'), meadows near Manga Pass to vicinity of Spruce Hole, area near Douglas Cabin & Aspen Glade Campground, and top of an escarpment at east end of basin (ca. 9000'). List not based on collections and some identifications may be tentative.
De-Na-Zin Wilderness, New Mexico	4/23/2007	Clifford & Schneider	Yeatts, Turner, Bregar, Ward	3	3
Delta area, see "Western Slope"
Devil's Head, Rampart Range, Pike NF	8/5/1989	Judy Von Ahlefeldt	Elaine Krakover	1	1
Dinosaur National Monument, CO-UT border	5/1/1993	Lynne Riedel	Loraine Yeatts	3	3	* = not in bud, bloom, or fruit
Dinosaur National Monument, CO-UT border	5/11/1996	Tamara Naumann	Loraine Yeatts	3	2	Trip route followed road N from Monument Headquarters to Harpers Corner with stops at following overlooks & trails. P = Plug Hat Butte, E = Escalante Overlook, C = Canyon Overlook, F = Fremont rockart site, I = Island Park Overlook & trail, H = Harpers Corner Trail Plants of Special Concern: Oreocarya rollinsii, Boechera fernaldiana Peripheral: Fritillaria pudica New records for DINO: Holosteum umbellatum, Ranunculus jovis
Dolores River, Bradfield Bridge Area, SW Colorado	5/21/1994	Leslie Stewart	Leslie Stewart	3	3	Southwest Chapter field trip; ADV = non-native Sites visited: 1 = Dolores R.; 2 = dry west facing hillside next to Dolores R.; 3 = Pinon Juniper flat above Narraguinnep Creek
East Carrizo Creek, SE prairies	5/21/1989	Rick Brune, Meg Van Ness	Loraine Yeatts	1	1	Frasera coloradensis site, on Greenhorn limestone with much interbedded sandstone; elev. 5000 ft. Maps: Baca County sheet 3, 7.5' Carrizo Mt., T33S R50W NE1/4 S9
East Cottonwood Creek, SE prairies	5/21/1989	Rick Brune, Meg Van Ness	Loraine Yeatts	1	1	Sapindus sapinaria var. drummondii site, on W. side of Cottonwood Creek road where road crosses fence line between S30 & S 31. Maps: Baca County sheet 3, 7.5' Carrizo Mt., T33S R50W SW SW S30; NW NW S31
Enchanted Mesa, Boulder County	4/24/1977	Boulder Chapter	Bob Farley, Scott Peterson	2	1
Escalante Canyon near Delta	9/7/2008	Peggy Lyon	Theron Hunter and Loraine Yeatts	3	2	Annual Meeting field trip.
Eureka Gulch, Silverton	7/18/2009	John Bregar	John Bregar	4	3	112 species observed
Florrisant Fossil Beds National Monument, W of Colorado Springs	6/27/1987	Mary Edwards		4	3
Fort Carson: The Hogback, SW of Colorado Springs	5/20/1989	Rick Brune, Meg Van Ness	Loraine Yeatts	2	1	Hogback, elev. 5320 - 5581 ft., is in intrusive Tertiary basalt radiating from Spanish Peaks Maps: Las Animas County sheet 2; 7.5' Brown Sheep Camp; T30S R60W SW1/4S27 NE1/4S34
Four Corners, Montezuma County	5/28/1995	Richard Moseley & Charlie King	Richard Moseley, Charlie King, Susan Komarek	4	3	Southwest Chapter trip to 1 = Mesa Verde National Park; 2 = Mancos shale sites S of Pagosa; 3 = Pizza Hut site w of Pagosa; 4 = Chimney Rock site. = endemic species
Four Corners Area, Farmington, NM and vicinity	5/16/1998	Ken Heil, Mark Porter	Loraine Yeatts, Arnold Clifford, Bill Jennings	4	3	Comments: Ken Heil, San Juan College, Mark Porter, Santa Ana College, PLM specialist, Arnold Clifford, Ecosphere botanist, and Carolyn Crawford, ASC specialist, led premier tour of rare plant sites: 1=San Juan College & vicinity, 3=BLM Critical Habitat, 4=Hogback, 5=Bloomfield vicinity, 6=La Boca. Plant encountered at but not necessarily restricted to listed site number. Rare plants: Penstemon breviculus, Asclepias sanjuanensis, Sclerocactus mesae-verde, S. cloveriae sp. brackii, Pediocactus knowltonii, Astragalus humillimus, A. proximus, Gilia formosa. = not in bloom.
Grand Mesa Fen Inventory, East of Grand Junction	8/19/2000	Bob Clarke	Bob Clarke	2	1	Comments: Plateau Chapter trip to Kannah Creek headwaters E = endemic to Colorado; I = introduced; G or S+# = global occurrences, 1 = < 5, 2 = 6-20, 3 = 21-100 populations, 4 or 5 = secure but rare in parts of range, esp. at periphery; LE or LT = listed as endangered or threatened
Grays Peak, West of Denver in Clear Creek County	7/15/2000	Jeff Dawson	Loraine Yeatts	4	3	Comments: Hike Grays Peak trail to locate & recover rare plant sites for previous collections of Aquilegia saximontana, Askelia nana, Draba grayana, D. exunquiculata, D. streptobrachia, Ranunculus gelidus ssp. grayi. E = endemic to Colorado; I = introduced; G or S+# = global occurrences, 1 = < 5, 2 = 6-20, 3 = 21-100 populations, 4 or 5 = secure but rare in parts of range, esp. at periphery; LE or LT = listed as endangered or threatened
Green Mt., Golden	6/3/1995	Gayle Weinstein	Gayle Weinstein	2	2	7.5' Morrison quad map
Green Mt., Golden	6/1/1996	Loraine & Dick Yeatts, J. Wingate, V. Richards	Loraine Yeatts	4	3	Basic plant ID for beginners using Rocky Mt. Flower Finder & Colorado Flora plant keys. Map: 7.5' Morrison quad
Green Mt., Golden	5/25/2009	Loraine & Dick Yeatts	Loraine Yeatts	3	2
Gunnison Basin Lichens, near Gunnison	5/30/1998	Sally White, Larry St. Clair	Sally White		1	Site: Dry Gulch, 6 mi. E of Gunnison, 1/4 mi E on power line road near sandstone outcrop List reviewed by Dr. Larry St. Clair
High Creek Fen, South Park	7/11/1992	Alan Carpenter		2	2
Hoosier Ridge, Hoosier Pass area between Breckenridge and Fairplay	7/17/1994	Robin Bingham	Sue Kamal	3	2	Area east of Hoosier Pass noted for Pleistocene relict species including Braya humilis, B. glabella, Saussurea weberi, Draba borealis, Armeria scabra ssp. sibirica, Eutrema edwardii, Ranunculus gelidus.
Horseshoe Cirque, Mosquito Range W of Fairplay	7/12/1992	Barbara Siems	Ron Abbott, Diana Mullineaux	3	2	Horseshoe Cirque, on W. side of Horseshoe Mt., is accessed by Four Mile Creek road ca. 1 mile S. of Fairplay. Substrate predominantly limestone & dolomite. Rain on trip day limited number of species observed.
Hovenweep Ruins, SW Colorado	5/9/1998	Leslie Stewart	Leslie Stewart	5	3	Southwest Chapter field trip highlighting flora of Hovenweep National Monument ADV = non native
I-25 rest area near Pueblo	5/19/1989	Rick Brune, Meg Van Ness	Loraine Yeatts	2	1
Jackson County Kettle Lakes, Park Range	7/10/1999	John Sanderson	Mike Denslow	4	3	Trip to NE flank of Park Range to explore glacially formed wetlands for Northern Rockies plant species including Azaleastrum albiflorum, Trillium ovatum, Drosera rotundifolia, Cypripedium & Carex spp.
Kennebec Pass, La Plata Mountains West of Durango	7/30/1994	Sue Komarek	Sue Komarek, Leslie Stewart	2	2	Southwest Chapter field trip.
Kim Area, SE Colorado	5/21/1989	Rick Brune, Meg Van Ness	Loraine Yeatts	1	1	Diverse habitats including a 1910 burn, mountain fen, lakes, forest, meadows, and a special plant, Lilium philadelphicum.
Laramie River Shale Barrens	7/6/2007	Scully, Doyle, Howell	Lee Curtis	1	1
Long Lake / Niwot Ridge, Front Range Indian Peaks	7/1/1980	Miriam Denham, Jane Foley	Miriam Denham, Jane Foley	3	2
Los Lagos Ranch, Rollinsville, Front Range	7/23/1994	Betsy Baldwin	Sue Kamal	4	3	Frasera coloradensis site along east side of hwy. 109 ca. 9 mi. N. of Kim, just before hwy. jogs east; 7.5' USGS quad map Robbers Roost Canyon, T31S R53W NW1/4 S3
McElmo Canyon (Sand Canyon), Canyons of the Ancients National Monument, West of Cortez	5/13/1995	Leslie Stewart, Sue Komarek	Leslie Stewart	3	2	Southwest Chapter field trip to feature plant communities.
Mesa de Maya, Lauden Ranch, SE Colorado	8/22/1987	Ivo Lindauer	Miriam Denham	5	4	The Lauden Ranch and Gotera Canyon were areas of interest.
Mesa Verde National Park, Prater Ridge Trail	5/20 & 6/17, 2006	Al Schneider	Al Schneider, Leslie Stewart, Mary Kemp	3	2	Found Fritillaria atropurpurea and Iliamna grandiflora, rare plants for Mesa Verde
Mesa Verde National Park, SW Colorado	6/10/1995	Dick Moseley, Charlie King	Marian J. Rohman, Charlie King	4	3	Rare plant tour with Marilyn Colyer
Middle Park	6/18/1989	John Anderson	Alan Carpenter	2	1
Moffat County, NW Colorado	5/23/1987	Steve O'Kane	Loraine Yeatts	3	3	V = Vermillon Cliffs, L = Limestone bluffs, I = Mouth of Irish Canyon, R = Raven Ridge
Montezuma County, SW Colorado, Haycamp Mesa and Hovenweep National Monument	5/28/1983	Carol Brandt	Velma Richards, Loraine Yeatts	3	3	Haycamp Mesa, T37N R14W S10,17,18 along road, USGS map 7.5' Dolores East, CO. Hovenweep, Montezuma Co, CO & San Juan Co., UT, USGS map 15' Cajon Mesa, UT.
Mt. Bross, Mosquito range W of Alma	7/14/1985	William A. Weber	Dr. William A. Weber, Loraine Yeatts	3	2	7.5' Alma quad map. Area of previous intense mining activity.
Mt. Evans, Front Range W of Denver	8/29/1993	Betty Willard	Bob Powell	3	2	Plants may occur at more than one site but are listed only at the 1st site observed. I. = 14140', Mt. Evans parking lot; II. = 13600', 1st stop below summit; III. = 13000', 2nd stop below summit; IV. = 12830', Summit Lake Habitat info: BF = boulder field, CB = creek bank, D = dry, F = fell field, G = gravel, M = meadow, RC = rock crevice, RW = running water, S = Scree, SB = snow bed, T = turf, W = wet
Mt. Zirkel Wilderness Area, Park Range N of Steamboat	7/16/1977	Fort Collins Chapter	Gail Evans, Dieter Wilkens	4	3	North Park Rhododendron trip along Lone Pine Creek W. of Walden to Lake Katherine in the Mt. Zirkel Wilderness Area.
Narraguinnep Canyon RNA, NW of Cortez	6/17/2001	Leslie Stewart	Leslie Stewart	4	3	Trip to explore Narraguinnep Canyon and contribute to plant species list for Forest Service RNA I = introduced alien species. Email Narraguinnep Natural Area Steward, Al Schneider, for additions to this list.
Neota WIlderness, NW of Rocky Mt. Nat'l Park	7/27/1996	Jody K. Nelson	Jody K. Nelson	5	4	Cross country hiking to see plants of the subalpine and alpine zones, including the only known population of Subularia aquatica in Colorado.
North Table Mt. 1, Golden	5/14/1994	Sally White, Loraine Yeatts	Sally White, Loraine Yeatts	5	4	Of Special Interest: Diverse plant communities, where plains & foothills species mingle, include lichen covered lava cliffs, slickrock & talus, wetlands, grasslands, shrublands. Possibilities for preservation???
North Table Mt. 2, Golden	5/23/1998	Paul Kilburn	Jerry Duncan	4	3	Of Special Interest: Diverse plant communities, where plains & foothills species mingle, include lichen covered lava cliffs, slickrock & talus, wetlands, Stipa comata grasslands, shrublands. = not in bloom.
Owl Creek Pass near Ridgway	7/14/2007	Peggy Lyon & Al Schneider	Peggy Lyon & Al Schneider	4	3	Southwest Chapter trip. Plants recorded along road to Owl Creek Pass and along Courthouse Trail.
Pagosa Peak, N of Pagosa Springs	7/31/1999	Charley King, Richard E. Moseley, Jr.	Charley King, Richard E. Moseley, Jr.	4	3	Southwest Chapter trip to Nichol's Draw uplands and wetlands on slopes of Pagosa Peak I = Piedra Rd. roadside near Hatcher Lake II = Perry Dr. roadside near Jack's Pasture Rd.
Pagosa Springs Country, W of Pagosa Springs	6/11/1994	Dick Moseley, Charlie King	Leslie Stewart	4	3	SW Chapter field trip in Pagosa Springs area: 1 = Mancos Shale site ca. 2 mi S of intersection US160 & US84; 2 = Turkey Springs area on Newt Jack rd. off Piedra road ca. 7 mi NW of US 160; 3 = Piedra R. Canyon, S of Piedra road bridge at Hinsdale Co. line; A = non-native, E = endemic
Pawnee National Grassland 1, Weld County	6/2/1979	M. Shoop, J. Dodd, R. Engle, G. Turner	Sue Martin	2	1	Field trip to observe northern Colorado grassland ecology and the dynamics of vegetation & vegetation change in the Pawnee Grasslands.
Pawnee National Grassland 2, Weld County	5/29/1987	Rick Brune		4	3
Pawnee National Grassland 3, Weld County	6/5/1993	Jim Borland, Rick Brune	Jan Wingate	5	4	Special attractions include: Alpine Feverfew, Lucky Ferns, Mountain Plover, Plains Topminnow, Snapping Turtles, clay barrens, ridges and arroyos, scarp woodland with limber pine, Pawnee Buttes.
Perly Canyon, SE prairies	5/20/1989	Rick Brune, Meg Van Ness	Loraine Yeatts	2	2	Proposed Nature Conservancy Site, owned by Jim Chancellor (946-5671); habitats include canyon rims, uplands, slopes, seep on cave wall behind dry pour off, plunge pool.
Phantom Canyon Preserve 1, Front Range near Virginia Dale	6/10/1989	Alan Carpenter	Brian Geils	4	3
Phantom Canyon Preserve 2, Front Range near Virginia Dale	7/15/1995	Nature Conservancy	Denise Larson	3	3	Rare plants include Aletes humilis, Potentilla rupincola.
Pine Ridge Natural Area - Dixon Reservoir, Fort Collins, Colorado	05/10/2011	Hugh MacKay	Linda Smith	2	1	CoNPS Northern Chapter Wildflower Walk
Pinon Canyon Maneuver Site 1, Las Animas County	5/25/1983	Tom Eamons	Mary Edwards	1	1
Pinon Canyon Maneuver Site 2, Las Animas County	5/10/1998	Carolyn Crawford, Dave Anderson	Bill Jennings, Rick Brune, Jerry Duncan, Loraine Yeatts	6	5	Comments: Asclepiadaceae workshop & field trip to relocate & mark new occurrences of Asclepias uncialis . Common plants seen at most sites were usually recorded only for the first site where observed. 1 = Burson camp, 2 = Taylor Arroyo rim, 3 = S. side canyon to Taylor Arroyo below Burson camp, 4 = wetlands at head of Red Rock Canyon, 5 = mesa top between Iron & Minnie Canyons, . = not in bloom
Plains Conservation Center, Aurora	5/1/1980	A. Armstrong, S. Emrich, D. Buchner, M. Denham	Sandy Emrich	3	2
Poudre Canyon, Laramie River, Laramie County	6/30/1990		Beth Painter	4	4	Late, wet spring; Lilium philadelphicum not yet visible. B = Boston Peak Fen, H = Hoenholtz lakes & access road, K = Kinnikinnick Meadows
Prairie Divide, near Turkey Roost, Larimer, County	7/17/1999	Rich Scully, Mary Jane Howell	Jerry Duncan, Mike Denslow	6	5	Site: Bull Garden, 3.5 mi SW of Turkey Roost; T11 R72W S32, ca. 7700 ft. Trip features: type population of Potentilla rupincola and compare with P. effusa, its close relative; an Aletes humilis population; granite overhangs and riparian vegetation of Bull Creek. . = not in bloom
Pueblo Lake State Rec. Area near Pueblo	5/6/1995	Jim Locklear	Bobbi Siems, Rick Brune, Jeff Dawson	3	2	Goals of trip: (1) to relocate & assess status of Asclepias uncialis, (2) search for additional population in other areas of suitable habitat, (3) assess seed collecting feasibility for off-site conservation.
Pueblo West and Arkansas Valley, Pueblo County	7/8/1988	Jim Borland	John Anderson	3	2	IC = Ideal Basic Cement Plant; PW = Pueblo West; USC = University of Southern Colorado campus, near water tower
Purgatoire Canyon, Dinosaur Trackway, S of La Junta	9/2/1995	Dexter Hess	Loraine Yeatts	3	2	Plants observed en route to Picketwire Canyonlands Dinosaur Trackway; USGS 7.5' Beaty Canyon quad, R55W T28S. I = introduced, E = endemic
Rabbit Valley & Vicinity, W of Grand Junction along I-70 near Utah border	5/20/2000	Plateau Chapter, Peggy Lyon	Gay Austin	2	2	Comments: E = endemic to Colorado; I = introduced; G or S+# = global occurrences, 1 = < 5, 2 = 6-20, 3 = 21-100 populations, 4 or 5 = secure but rare in parts of range, esp. at periphery; LE or LT = listed as endangered or threatened
Rampart Range 1, Front Range W of Colorado Springs	6/28/1987	Dave Powell, Neal Osbourne		3	2
Rampart Range 2, Front Range W of Colorado Springs	6/25/1988	Frank Hawksworth	Brian Geils	3	2	GC = Gold Camp Road, west of Colorado Springs; RR = Rampart Range Road, north of Woodland Park & only includes species not seen along GC
Rattlesnake Canyon, W of Grand Junction near Mack	5/28/1994	Dr. Walter A. Kelley	Loraine Yeatts, Janet Wingate	3	3	Map: 7.5' Mack quad; ADV = adventive, END = endemic Comments: Hike of 6-7 mi. follows Old Ute Indian Trail from Pollock Can. to Rattlesnake Can., a Wilderness Study Area featuring Pinyon-Juniper community, arches, scenic views, slickrock.
Raven Ridge, near Rangely in Rio Blanco County	5/12/1996	Tamara Naumann, Rusty Roberts BLM	Loraine Yeatts, Tamara Naumann	3	2	Trip visited part of ridge SE of Mormon Gap, approx. 6 mi west of Rangely, CO (topo map 7.5' Dinosaur, UT), a designated Area of Critical Environmental Concern & CO Natural Area to protect & monitor 7 rare Uintah Basin endemic plants species of special concern to CO. Substrate of shaley, decomposing Green River Formation barrens; 5500 - 5800 ft. elev.
Roxborough State Park, near Colorado Springs	5/30/1980	Susan Kraner, Vicky Trammel	Mary Edwards	3	2	Combined trip with Denver Botanic Gardens. Habitat of Ribes americanum.
SE Utah Hanging Gardens, NW of Bluff Utah	7/29/2000	Arnold Clifford, Sandy Friedley, Charlie King	Loraine Yeatts	2	1	Comments: Due to dry conditions and season, most plants not blooming; no comprehensive plant list made Special plants: Primula specuicola, Epipactis gigantea, Anticlea (Zygadenus) vaginata, Erigeron kachinesis, Phacelia indecora, habenaria zoethcina Sites: b = alcove in Bluff sandstone, j = John's Canyon (limestone stream bank terraces in Lower Rico Form.), r = Road Canyon (Cedar Mesa Sandstone vertical cliff seeps)
Sewemup Mesa, near Gateway	5/29/1994	Walter A. Kelley	Loraine Yeatts	2	2	Map: 7.5' Roc Creek & Red Canyon quads; ADV = adventive, END = endemic. Comments: From hwy.141 along Dolores R. near S. end of mesa, hike follows obscure trail up cliff to a rimrock & slickrock Pinyon-Juniper-Oak desert shrub community with great views.
Shrine Pass, E of Vail	7/13/1997	Nicole Ripley	Stan Smookler	3	2	Hike from 11200 ft. to summit of Shrine Mt.Through alpine bog & meadow ecosystems to see diverse alpine flora. 1 = subalpine mesic to dry meadow, 2 = subalp. wet meadow, 3= tundra
Taylor Arroyo, SE prairies	5/20/1989	Rick Brune, Meg Van Ness	Loraine Yeatts	2	2	Comment:The Narrows section ca. 1 mi. above junction with Purgatoire River, bounded by sheer cliffs. Maps: Las Animas County sheet 2; 7.5' Voss Canyon; T30S R57W S30 & T30S R58W S25
Unaweep Canyon, between Gateway and Whitewater	8/10/1991	Scott Ellis	Bob Powell	2	2	WM = wet meadow, MM = Meadow margins, DG = disturbed ground, PJ = Pinyon-Juniper woodland.
Uncompahgre Wilderness, West of Ridgway, Colorado	8/10/1995	Gay Austin	Stanley Smookler	3	3	Trip route followed trail to Uncompahgre Peak, starting at 11400 ft. elev. to +1200 ft.
Vallecito Creek, East of Durango	7/15/1995	Sandy Friedley	Sandy Friedley, Leslie Stewart	4	3	Southwest Chapter trip to visit plant communities of Vallecito Creek.
Western Slope, Delta and vicinity	5/27/1979	Jim Ratzloff, Scott Ellis	Jim Ratzloff	4	3	Field trip to observe Mancos shale vegetation between Paonia & Delta and visit hanging garden sites of Escalante Canyon, west of Gunnison River after a year of exceptional rain. . = plants of extremely restricted distribution or endemics limited to area visited.
Wind Forest, Front Range near Allenspark	6/5/1999	Rich Scully, Mary Jane Howell	Jerry Duncan	3	2	Location: 2 mi. E-NE of Allenspark, T3N, R72W, S 19-20; 8700 ft. Site of one of the largest populations of Aletes humilis, where it thrives in limber pine forest and on windswept cliffs. . = not blooming
Wolf Creek Pass, E of Pagosa Springs	8/5/1995	Dick Moseley, Sara Brinton, Charlie King	Dick Moseley, Sara Brinton, Charlie King	2	2	Southwest Chapter trip to high subalpine and alpine plant communities near Lobo Overlook and above Wolf Creek Pass.
Wray, prairies of Yuma County	6/4/1994	Bruce Bosley, Don Hazlett	Bruce Bosley, Rick Brune	6	5	Plants observed by Rick Brune in habitats: S = Sandhills N & E of Wray, B = blowout area just E of junction 54 Rd & HH Rd, F = Flirtation Point, BI = Beecher's Island, N = Hank Neuschwanger's pasture, G = generally distributed weedy species, W = stream ca. 11 mi W of Wray & 4 mi. N of US 34

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