: 1.21 $2024-03-29T10:31:52-7:00100.24.12.23searchRMUSFS491083 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson43Arthur D. Read1912630182U.S.A.ArizonaCoconinoTusayan National Forest.-112.075835.111192042Phenology: fruiting.RMRM136710 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson10342Aven Nelson192555125U.S.A.ArizonaGilaGlobe.-110.792533.403591067Scarce, on the hills. Phenology: flowering.RMRM172460 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson1573Aven Nelson Ruth A. Nelson1935419109U.S.A.ArizonaSanta CruzValley N of Nogales.-110.9387731.377061128Stoney banks. Phenology: flowering.RMRM311356 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson1573Aven Nelson1935419109U.S.A.ArizonaSanta CruzE of Nogales.-110.9200231.340461189Stoney banks. Phenology: flowering.RMRM172419 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson1871Aven Nelson Ruth A. Nelson1935512132U.S.A.ArizonaGilaSan Carlos Indian Reservation.-110.458633.29829762Gila/Pinal counties. Phenology: flowering.RMRM172416 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson1871aAven Nelson Ruth A. Nelson1935516136U.S.A.ArizonaMaricopaMazatzal Mountains; Colloms Camp.-111.3077433.653621219Phenology: flowering.RMRM173442 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) WoodsonI492Aven Nelson Ruth A. Nelson1935412102U.S.A.ArizonaSanta CruzMassacre Camp, between Ruby and the Tucson-Nogales Highway.Rocky canyon. Phenology: flowering.RMUSFS490847 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson942Charles P. Pase1958527147U.S.A.ArizonaGilaTonto National Forest: Three Bar Game Management Area.-111.2604933.7194853Coarse granitic soil; in chaparral with Quercus turbinella. Phenology: flowering.RMRM31741 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson195D. T. MacDougal1898630181U.S.A.ArizonaCoconinoGrand Canyon of the Colorado.-112.124636.05342134Coconino/Mohave counties. Phenology: flowering.RMRM162556 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodsons.n.E. O. Wooton190669160U.S.A.New MexicoDona AnaOrgan Mountains.-106.547632.2931912192134Phenology: fruiting.RMRM58480 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodsons.n.E. O. Wooton1905526146U.S.A.New MexicoDona AnaOrgan Mountains.-106.547632.2931912192134Phenology: flowering.RMRM58481 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodsons.n.E. O. Wooton190669160U.S.A.New MexicoDona AnaOrgan Mountains.-106.547632.2931912192134Phenology: fruiting.RMRM162664 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson1322George J. Goodman1930633184U.S.A.ArizonaNavajoWhite Mountains: 10 mi W of McNary.-109.9736934.15442073Rocky hillside. Phenology: flowering.RMRM135106 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson58Gladys Convis193251122U.S.A.New MexicoEddyCarlsbad Caverns: Dutch banks.-104.445332.17361341Phenology: flowering & fruiting.RMRM99574 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson575Herbert C. Hanson1923627178U.S.A.ArizonaCoconinoFlagstaff.-111.651235.197492103South slope. Phenology: flowering.RMRM99575 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson687Herbert C. Hanson1923713194U.S.A.ArizonaCoconinoFlagstaff.-111.651235.197492103Infrequent in open mines. Phenology: fruiting.RMRM105455 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodsonv.30H. L. Viereck J. A. G. Rehn1902521141U.S.A.New MexicoOteroHigh Rolls and vicinity.-105.8355932.9512012North hillside. May 21-28 1902. Phenology: flowering.RMRM525943 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson5257Kaye H. Thorne D. Atwood1987520140U.S.A.ArizonaMohaveCottonwood Wash, 21.6 mi SE of Mesquite.-113.9215336.57218996Sandy wash bottom; desert willow, old man sage, ephedra community. Phenology: flowering.RMRM79128 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson1062Leslie N. Goodding1912617169U.S.A.ArizonaGrahamFort Grant.Open, dry flats. Phenology: fruiting.RMRM49131 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson4598Marcus E. Jones188487220U.S.A.ArizonaCoconinoFlagstaff.-111.651235.197492103Phenology: flowering.RMRM55535 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson190O. B. Metcalfe1903620171U.S.A.New MexicoGrantBurro Mountains.-108.488632.670991676Phenology: flowering.RMRM Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson16499R. D. Worthington198857128U.S.A.New MexicoLunaFlorida Mountains: northeast side of mountains in Windmill Canyon.-107.609232.14221554RMRM128551 Asclepias asperulaphysical specimenApocynaceaeAsclepiasasperula(Decne.) Woodson253Witmer Stone191964155U.S.A.ArizonaCochiseChiricahua Mountains: Pinery Canyon, junction of North and South Forks.-109.3200931.96931737Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson6839Timothy W. Chumley Irene Thien1997628179U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Twin Mountain: on south slopes and stream gulches just off U. S. Hwy 50, ca 6 air mi NW of Ca¤on City.-105.292338.4973919262000On rocky, open slopes in pinyon-juniper. Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson6882Timothy W. Chumley Irene Thien1997628179U.S.A.ColoradoFremont[location and coordinates withheld]19321945On rocky sandstone slopes in pinyon-juniper. Phenology: fruiting.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson4515James F. Fowler Carolyn Sieg2005627178U.S.A.ArizonaCoconinoKaibab National Forest: Coconino Wash uplands, ca 8 mi E of Tusayan.-111.963535.94342225Ponderosa pine forest. Phenology: flowering.RMRM794693 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson58943B. E. Nelson2003710191U.S.A.ColoradoArchuletaEastern San Juan Mountains: Valle Seco and ridge S of the head of Frio Canyon, ca 9.5 air mi S of Pagosa Springs.-106.994337.125621212252Clay knoll with scattered ponderosa pine, Douglas fir, juniper, and little ground cover. Phenology: flowering.RMRM794692 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson77457Ronald L. Hartman Jeanette Flaig2003620171U.S.A.ColoradoArchuletaEastern San Juan Mountains: San Juan National Forest: Forest Road 649, ca 3.2 air mi WSW of County Road 500.-106.83876737.07931724392500Ponderosa pine forest with oak and Rocky Mountain juniper and roadside; ponderosa pine forest. Phenology: flowering.RMRM794691 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson77526Ronald L. Hartman Jeanette Flaig2003622173U.S.A.ColoradoArchuletaEastern San Juan Mountains: San Juan National Forest: Colo Hwy 151, 6 air mi NW of Forest Road 613.-107.34381737.17258319602103Sandy at bottom then shale and sandstone outcrops with ponderosa pine forest and scattered Gambel oak and Fendlera understory above; sandy areas and outcrop. Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3500Jeanette Flaig Kurt Flaig2004529150U.S.A.ColoradoSaguacheEastern San Juan Mountains: North Tracy Canyon, vicinity of Devils Knob, 3 air mi SW of Saguache.-106.198338.05532542Southeast-facing slope to rocky summit and along ridge to knob. Phenology: flowering.RMUSFS491088 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson2PCharles K. Cooperrider1920826239U.S.A.ArizonaApacheApache National Forest: Little Colorado drainage, under rim.-109.4642934.060892591North slope; gravelly loam; scattered to common; with bunchgrasses and lupine. Phenology: flowering.RMUSFS491086 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson265Earl V. Storm192778189U.S.A.ArizonaCoconinoKaibab National Forest: W of Jacob. [Jacob Lake]-112.216336.7138824081% west slope; shallow gravel; not abundant in timber with Poa, Sitanion and locust. Phenology: flowering.RMRM940422 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1514Jill E. Larson2005622173U.S.A.New MexicoTaosCarson National Forest and Vicinity: Cerro de la Olla, southeast aspect, ca 10 air mi NE of Questa.-105.751936.740823622881Pinyon/juniper and ponderosa pine/Gambel oak forests. Phenology: flowering.RMRM940421 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson2338Jill E. Larson2005712193U.S.A.New MexicoColfaxCarson National Forest and Vicinity: Sangre de Cristo Range: southern boundary of Valle Vidal Unit via NM Hwy 204, ridgeline above Middle Ponil Creek in Ponil burn area, ca 11 air mi NE of Eagle Nest.-105.106836.66523322621Canyon wall, ridgeline and burned ponderosa pine forest. Phenology: flowering.RMRM940423 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson647Jill E. Larson200563154U.S.A.New MexicoRio ArribaCarson National Forest and Vicinity: Jicarilla Ranger District: Forest Road 309E and 309F in Cabresto Canyon.-107.291136.881720122073Canyon bottom and sandstone slopes with pinyon/juniper. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1245Margarette J. Lyon1993526146U.S.A.ColoradoMontroseSan Miguel and lower Dolores River Drainages: San Miguel River Drainage: Long Park, Horsethief Spring, ca 5 air mi NE of Uravan.-108.712838.29941905Exposed Dakota sandstone with pinyon and juniper. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3135Margarette J. Lyon1994516136U.S.A.ColoradoMesaSan Miguel and Lower Dolores River Drainages: ca 5 air mi NE of Gateway.-108.9538.73311676Dry wash and adjacent hillsides: on barren, granitic gravel on east side and red, sandy soils on west side; with pinyon and juniper. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3460Margarette J. Lyon1994526146U.S.A.UtahGrandSan Miguel and Lower Dolores River Drainages: slopes above Buckhorn draw.-109.15838.84831493Granitic slopes with juniper and Purshia. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson4213Margarette J. Lyon199468159U.S.A.ColoradoMontroseSan Miguel and Lower Dolores River Drainages: San Miguel River Drainage: draw above Clay Creek just inside forest boundary.-108.232538.16782164With pinyon, juniper Cercocarpus, and Peraphyllum. Phenology: buds.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson6652Margarette J. Lyon Laura Cosse199483215U.S.A.ColoradoMesa[location and coordinates withheld]14451585Dry creek bed and canyon bottom with pinyon, juniper, and single leaf ash. Phenology: flowering & fruiting.RMUSFS491094 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson2253aKittie F. Parker1936510131U.S.A.New MexicoDona AnaJornada Experimental Range: San Andres Mountains: Ash Canyon.-106.5358932.629114931722Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1756Lynn Marie Moore1994523143U.S.A.ColoradoMontezumaUpper Dolores River Drainage and Adjacent Areas: ca 17.5 air mi S of Dove Creek, side road ca 0.25 road mi W of County Road Y, on ridge between Hovenweep Canyon and Negro Canyon.-108.912337.50842000Pinyon-juniper zone with Artemisia, antelope brush, and Cercocarpus. Phenology: flowering.RMRM805745 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3476Brian Reif200288220U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio Frijoles Trail 154 just E of Santo Domingo de Cundiyo Land Grant, 8 air mi SE of Chimayo. SE in canyon along trail for 0.2 air mi from E edge of land grant.-105.873335.9379672134Riparian of river, and meadows, in canyon bottom with mixed conifer slopes. Canyon tightening upstream with encroachment of granitic cliffs. Phenology: flowering.RMUSFS491095 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson212Rudolph L. Hensel191957127U.S.A.ArizonaPimaSanta Rita Range Reserve: pasture 2, near Proctor gate.-110.8789731.843841219West slope; gravelly sand; common with Gilia, ragweed and lupine. Phenology: flowering.RMRM805744 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson4887Brian Reif200364155U.S.A.New MexicoSandovalSanta Fe National Forest and Vicinity: Jemez Mountains: Arroyo Montasa canyon, 1 air mi up canyon from junction with the Rio Grande River and across river from Bandelier National Monument. W 0.3 air mi to N35.716 W106.256 at pour off.-106.25135.71617371835Riparian bottom; steep, metamorphoic canyon walls with juniper . Phenology: flowering.RMRM805743 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson5851Brian Reif2003623174U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rio Medio Trail 155 adjacent to Rio Medio in vicinity of Borrego Mesa Campground off Forest Road 436, 6 air mi due W of Truchas Peak.-105.76435.9672603North canyon slope, departing the river, through a ponderosa pine burn with mostly dead, standing timber above; ca 1 m tall Gambels oak below. Phenology: flowering.RMRM805742 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson5878Brian Reif2003623174U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: County Road 503 N into La Caja Canyon on Debris Basin Trail and along Rio Medio to southern end of Santa Cruz Reservoir, 1 air mi W of Cundiyo.-105.91235.9591993Pinyon/juniper slopes and dry wash. Phenology: flowering & fruiting.RMRM805005 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson9626Brian Reif2004530151U.S.A.New MexicoSan MiguelSanta Fe National Forest and Vicinity: Sangre de Cristo Mountains: from North San Ysidro NNE to lower Apache Canyon. N35.478 W105.547 at forest boundry N 0.5 air mi parallel trail to N35.485 W105.548.-105.54735.4782057Dry wash with exposed bedrock in pinyon-juniper woodland. Phenology: flowering.RMRM805004 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson9719Brian Reif200461153U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Jemez Mountains: County Road 77 (Buckman Road) at Alamo Creek, 9 air mi SE of White Rock. Within 1/4 air mi of N35.743 W106.08.-106.0835.7431926Dry wash of coarse granite and broad lowland with scattered juniper in juniper hills. Phenology: flowering.RMRM805003 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson9792Brian Reif200461153U.S.A.New MexicoSanta FeSanta Fe National Forest and Vicinity: Jemez Mountains: Caja del Rio Plateau: County Road 77 (Buckman Road) at Rio Grande River and Buckman, 2 air mi due E of White Rock.-106.16835.8271707Juniper hills on sedimentary soils east of river. Phenology: flowering.RMRM805002 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson78999Ronald L. Hartman200468160U.S.A.New MexicoLos Alamos[location and coordinates withheld]17072012Rocky slopes. Phenology: flowering.RMUSFS491087 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) WoodsonM-60Walter G. Mann1929826238U.S.A.ArizonaCoconinoKaibab National Forest: Little Mountain W of Big Springs.-112.350636.602692134Flat, gravelly soil; scarce in timber. Phenology: flowering.RMUSFS491993 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson611Warren V. Turner Arthur J. Riggs1927511131U.S.A.ArizonaPimaSanta Rita Experimental Range: southeast corner of pasture #8.-110.8314631.912261219Gentle west slope; rocky loam; open mesa; scarce among rocks; with Mewquite, Calliandra and Acacia. Accession number duplicated in the database: specimen not verified. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson2046Barnard A. Hendricks1934624175U.S.A.ArizonaGilaTonto National Forest; Sierra Ancha Mountains; Petersons Ranch.-110.92133.8142225Phenology: fruiting.RMRM390077 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3884M. A. (Ben) Franklin1986531151U.S.A.ColoradoMontrose7.4 mi due ENE of Paradox: Dolores River Canyon.1600Pinyon, juniper; clay soil. Phenology: flowering.RMRM540940 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson5030Betsy E. Neely1988525146U.S.A.ColoradoMontroseEast Paradox Creek: Paradox Valley: E of Dolores River, Davis Mesa Quadrangle.-108.842238.32861554Alluvium, Cutler Formation, pinyon-juniper woodland. Phenology: flowering.RMRM540890 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson5129Betsy E. Neely1986616167U.S.A.ColoradoMesaDolores River Canyon: 3.5 mi S of Gateway.Phenology: flowering.RMRM198986 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3658C. L. Porter194579190U.S.A.ColoradoMoffatLodore Canyon: W rim.2286In sandy soil among pinyons. Phenology: flowering.RMRM162660 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson529Carl F. Baker18996152U.S.A.ColoradoArchuletaArboles.Phenology: flowering.RMRM22562 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson529Carl F. Baker189966157U.S.A.ColoradoArchuletaArboles.Phenology: flowering.RMRM127879 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1215Earl F. Castetter1931522142U.S.A.New MexicoBernalilloAlbuquerque to Santa Fe: highway.-106.6380935.1584915091530Roadside. Bernalillo or Santa Fe county Phenology: flowering.RMUSFS490819 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson18E. R. Ware1932619171U.S.A.ColoradoGarfieldWhite River National Forest: Glenwood Canyon.179840 degree south slope, rocky clay bank; with Bromus tectorum, Salsola and Erigonum. Phenology: flowering.RMRM101934 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson819Earl Lynd Johnston George G. Hedgecock1917614165U.S.A.ColoradoLas AnimasTrinidad: ravine W of townPhenology: fruiting.RMRM80866 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson454Edwin B. Payson1914617168U.S.A.ColoradoMontroseNaturita.1646Dry hillside. Phenology: flowering.RMRM363483 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson13587Elizabeth Neese R. Abbott1983616167U.S.A.ColoradoMesaCa 11 air miles SW of Mack, ca 0.2 mi SW of mouth of McDonald Creek; directly above Colorado River.-109.022539.14381402Sandy pockets in rim rock, Kayenta and Wingate formations, juniper-ephedra community. Phenology: flowering.RMRM162663 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson7445Ellsworth Bethel1917615166U.S.A.ColoradoLas AnimasTrinidad.Phenology: flowering.RMRM162663 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson7445bEllsworth Bethel191794247U.S.A.ColoradoArchuletaPagosa Springs.Phenology: fruiting.RMUSFS491084 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson171Frederic G. Renner1923629180U.S.A.New MexicoRio ArribaSanta Fe National Forest: Beaver Creek.-106.2850936.9373259120 degree south slope, sandy loam. Phenology: flowering.RMRM491084 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson171Frederic G. Renner1923629180U.S.A.New MexicoRio ArribaSanta Fe National Forest: Beaver Creek.-106.2850936.9373259120 degree south slope, sandy loam. Phenology: flowering.RMRM162661 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3406George E. Osterhout1906818230U.S.A.ColoradoGarfieldGlenwood Springs.Phenology: fruiting.RMRM162662 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson644George E. Osterhout1895627178U.S.A.ColoradoFremontCanon City.-105.2365538.446691615Phenology: flowering & fruiting.RMRM12313 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodsons.n.George E. Osterhout1898627178U.S.A.ColoradoHuerfanoWalsenburg.Phenology: flowering.RMUSFS491087 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson45Hugh O. Cassidy1921831243U.S.A.New MexicoColfaxCarson National Forest: near Madrid Ranch.2439South slope, gravelly clay. Phenology: fruiting.RMRM491087 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson45Hugh O. Cassidy1921831243U.S.A.New MexicoColfaxCarson National Forest: near Madrid Ranch.2439South slope, gravelly clay. Phenology: fruiting.RMRM238558 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodsons.n.Harry Hapeman192074186U.S.A.ColoradoFremontRoyal Gorge.Phenology: flowering.RMRM98862 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1305Hazel M. Schmoll1924728210U.S.A.ColoradoArchuletaPiedra: near base of South Chimney Rock.Phenology: flowering.RMRM87187 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3836Ira W. Clokey192072184U.S.A.ColoradoFremontCanyon City.2135Dry hillsides. Phenology: flowering.RMUSFS491089 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson29Jesse M. Mann1919825237U.S.A.ColoradoJeffersonPike National Forest: South Platte burn.Open grassland, south slope, rotten granite. Phenology: flowering.RMRM580893 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson90-102John L. Anderson199065156U.S.A.ColoradoMesaDolores River Canyon N of Gateway.-109.006138.70391432In purple arkosic sand at base of ridge of Cutler formation. Phenology: flowering & fruiting.RMRM182575 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1859Reed C. Rollins1937713194U.S.A.ColoradoLas AnimasFrijoli Hill, 10 miles SE of Trinidad.Phenology: fruiting.RMRM399149 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson4691Robert D. Dorn1987715196U.S.A.ColoradoGarfield-108.521139.56272042Shale-clay slope with Lesquerella and Mentzelia. Phenology: flowering.RMRM764815 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson9815Robert D. Dorn2004611163U.S.A.ColoradoFremontTexas Creek Gulch: N of Texas Creek.2012Rocky wash with Melampodium and Thelesperma. Phenology: flowering & fruiting.RMUSFS491090 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson38Robert F. Copple1920620172U.S.A.ColoradoSan MiguelMontezuma National Forest: Beaver Creek Canyon.2286Phenology: flowering.RMRM296457 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1875Ronald L. Hartman1968610162U.S.A.New MexicoColfaxPhilmont Scout Ranch, near Cimarron: 3 mi W of Rayado.-104.9877936.37362103Hillside. Phenology: flowering.RMRM78924 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson39W. H. Haas19137182U.S.A.ColoradoMontezumaMesa Verde National Park.Jul-Aug 1913 Phenology: flowering.RMRM345030 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson82-76W. Kelley S. Sigstedt198278189U.S.A.ColoradoGarfieldCow Creek; 1.5 mi SE of junction of Cow Creek and West Branch Cow Creek.2316On slope with Quercus and Pseudotsuga. Phenology: flowering.RMUSFS491085 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson173W. M. StevensonU.S.A.New Mexicono countySanta Fe National Forest: below Leonard Ranch.Sandy loam. Phenology: flowering.RMRM105508 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson20052W. W. Eggleston192468160U.S.A.New MexicoSanta FeLamy.-105.8817935.481691960Phenology: flowering.RMRM828384 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson43930B. E. Nelson1998625176U.S.A.ColoradoLas AnimasWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: in Road Canyon at the Vallorso site and Bear Canyon Mine site, ca 5.5 air mi SW of Ludlow; ca 10.8 air mi NW of Trinidad.-104.638837.287420672189Pinyon-juniper-oak woodland. Phenology: flowering.RMRM828405 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1290Brian Elliott1998610161U.S.A.ColoradoPuebloWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Pueblo Reservoir State Park: ca 3.5 road mi W of the west entrance on Colo Hwy 96.-104.892938.26771585Small grade; prairie and pinyon-juniper. Phenology: flowering.RMRM828404 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1717Brian Elliott1998613164U.S.A.ColoradoFremont[location and coordinates withheld]1554Pinyon-juniper; riparian; very unusual soil.RMRM828403 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1848Brian Elliott1998616167U.S.A.ColoradoLas Animas[location and coordinates withheld]2073Pinyon-juniper.RMRM828402 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson2753Brian Elliott1998627178U.S.A.ColoradoLas Animas[location and coordinates withheld]1951Top of hill to east; pinyon-juniper. Phenology: flowering.RMRM824234 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson9692Neil Snow2005510130U.S.A.New MexicoQuayUte Lake State Park: vicinity of end of County Road AC.-103.49694435.3430551155Rocky outcrops in steppe; sandy soil; above banks of reservoir. Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson85033Ronald L. Hartman Bernadette Kuhn, Laura E. Lukas2007528148U.S.A.ColoradoOteroComanche National Grassland: Vogal Canyon, from trail head to south end at fence line.-103.513137.770213071338Pinyon-juniper canyonland, sandstone; with willow and cottonwood thickets near fence. Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson85122Ronald L. Hartman Bernadette Kuhn, Laura E. Lukas2007528148U.S.A.ColoradoLas AnimasComanche National Grassland: Purgatoire Canyon, northeast end.-103.558437.641213261405Rimrock and slope below to flats along river. Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson5514Bernadette Kuhn Cali Hemenway2008623175U.S.A.ColoradoOteroComanche National Grassland: Picketwire (Purgatoire) Canyon, ca 27 air mi SSW of La Junta.-103.627137.60021367Dakota sandstone rock outcrops, sandy soil along trail with scattered Atriplex and Juniperus monosperma. Phenology: flowering & fruiting.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson6571Bernadette Kuhn2008714196U.S.A.ColoradoBacaComanche National Grassland: Whitby Canyon N of Big Hole Spring, ca 21 air mi SSW of Pritchett.-102.982737.08531441Dakota sandstone canyon dominated by Juniperus monosperma, Quercus sp. and Rhus aromatica. Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson6914Bernadette Kuhn2008717199U.S.A.ColoradoLas Animas[location and coordinates withheld]1637Shale hills, uplands dominated by Pinyon and juniper. Creek bed with large patches of Rumex. Phenology: fruiting.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson7010Bernadette Kuhn Darla Jackson, Lonnie Jackson2008718200U.S.A.ColoradoLas Animas[location and coordinates withheld]1560At spring. Phenology: fruiting.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson7138Bernadette Kuhn2008723205U.S.A.ColoradoBacaComanche National Grassland: E of East Carrizo Creek, ca 11 air mi S of Utleyville; ca 20 air mi SW of Pritchett.-103.013537.10891454Dakota sandstone canyon dominated by Rhus aromatica, Pinus edulis, and Juniperus monosperma. Phenology: flowering.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson7294Bernadette Kuhn Everett Jackson2008724206U.S.A.ColoradoLas Animas[location and coordinates withheld]1571Hillside with Amorpha and Rhus aromatica. Phenology: flowering.RMRM840406 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson4186Ben Legler2007611162U.S.A.New MexicoColfaxVermejo Park Ranch: on north side of NM Hwy 555 4.2 road mi W of where Hwy 555 joins U.S. Hwy 64; 4.8 air mi SW of Raton.-104.512222236.86252023Dry open Pinus edulis woodland with Quercus ×undulata and scattered Juniperus monosperma, on gentle rolling terrain at base of steep sandstone bluffs. Petals creamy-green; corona maroon; uncommon on edge of pine woodland. Photographed. Phenology: flowering.RMRM840405 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson4576Ben Legler2007618169U.S.A.New MexicoColfaxVermejo Park Ranch: rocky point between intersection of Gachupin Canyon and Vermejo River, 9 air mi SE of Casa Grande.-104.865916736.783916672119Open Pinus edulis woodland, dry rocky soil over sandstone, sparse ground cover. Petals green with faint maroon tinge; corona maroon; stems in clumps; rare at base of Quercus. Phenology: flowering.RMRM840404 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson5046Ben Legler2007626177U.S.A.ColoradoLas AnimasVermejo Park Ranch: slope on west side of Lorencito Canyon 0.47 mi N of mouth of Cottonwood Canyon.-104.839444437.012777782303Rocky southeast-facing slope dominated by a mix of Pinus edulis, Pinus ponderosa, Juniperus scopulorum, and shrubby Quercus ×undulata. Petals greenish; corona maroon; rare on edge of forest. Phenology: flowering.RMRM840403 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson9005Ben Legler2008623175U.S.A.New MexicoColfaxVermejo Park Ranch: around Van Bremmer Creek at mouth of Van Bremmer Canyon, 1.8 air mi NW of NM Hwy 64.-104.8024936.5896761939Flat, dry shortgrass prairie with Cylindropuntia imbricata, Cirsium undulatum, and Psoralidium tenuifolium. Petals pale green, cupped around flower, not reflexed; corona dull red, strongly curved with a rounded tip; stems spreading-ascending from a branched crown; uncommon on edge of prairie. Specimen GPS: 36.593391, -104.798668. Phenology: flowering.RMRM840401 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson10434Ben Legler200889222U.S.A.New MexicoColfaxVermejo Park Ranch: crest of small hill 0.3 air mi S of the Vermejo River and 1.2 air mi E of I-25; 3.6 air mi S of Maxwell.-104.55524436.4854351815Rocky knoll on prairie, with Artemisia bigelovii, Eriogonum jamesii var. jamesii, and Bouteloua curtipendula. Stems mostly solitary; uncommon. Photographed. Specimen GPS: 36.485481, -104.555191. Phenology: fruiting.RMRM828407 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson708Brian Elliott Kenneth Elliott199863154U.S.A.ColoradoPuebloWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 96, E of Wetmore, just over the county line.-105.035738.23941689Prairie after steep grade. Phenology: flowering.RMRM828406 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson806Brian Elliott Kenneth Elliott199863154U.S.A.ColoradoPuebloWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Rock Creek Hill, on Colo Hwy 78, SW of Pueblo.-104.816138.13721676Pinyon-juniper; prairie.RMRM829543 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson970Brian Elliott Kenneth Elliott199864155U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: at Exit 42 on I-25.-104.692337.52191951Grassland. Phenology: flowering.RMRM828381 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1353Charity Hall Brian Jacobs and Alex Morgan1998625176U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.5 road mi on County Road 1 from County Road 28.-105.420238.356422402286Dry, sandy soil; dominant species: pinyon and Chrysothamnus. Phenology: flowering.RMRM828383 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson157Charity Hall Brian Jacobs and Alex Morgan199869160U.S.A.ColoradoCusterWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: ca 2.3 road mi on Forest Road 388 off of Greenwood Road.-105.072338.195619511966Dominant species: oak, mountain mahogany, some ponderosa; sandy soil. Phenology: flowering.RMRM829540 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson58Charity Hall Brian Jacobs and Alex Morgan199865156U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 3.9 road mi S on Oak Creek Grade Road from Canon City; from ca 0.5-2.5 trail mi past Tanner Trailhead, on and around the trail.-105.243238.368819202560Dominant species: pinyon pine, mountain mahogany, and oak; ponderosa and blue spruce at higher elevations; mainly granite outcrops, soil sandy to gravelly in texture.RMRM828382 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson718Charity Hall Brian Jacobs and Alex Morgan1998615166U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1 road mi on Gulch Road from Colo Hwy 69.-105.579138.34232149Granite and metamorphic chunks; dominant species: pinyon, oak, and juniper.RMRM823836 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson4443Michael Schiebout2005525145U.S.A.New MexicoHardingJack and Tuta Cruwz's Ranch: 20 air mi NE of Mosquero.-103.71777835.9566671396Sandstone rise into mesa to junipers. Phenology: flowering & fruiting.RMRM823892 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3716Michael Schiebout2005519139U.S.A.New MexicoSan MiguelLas Vegas National Wildlife Refuge: 5.7 air mi SSE of Las Vegas.-105.19527835.5166671944Trail going into steppe/ shaded canyons and ravine. Phenology: flowering & fruiting.RMRM828401 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson60641Ronald L. Hartman Brian Elliott1998523143U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Temple Canyon Road, ca 3.5 air mi SW of Canon City (city center).-105.261738.412117681798Rocky slopes and grasslands.RMRM828400 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson60925Ronald L. Hartman Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan199862153U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: southeast end of Wet Mountains, ca 13 air mi NW of Walsenburg.-104.984237.755120422256Rocky ridges and grassy valley. Sheet 1 of 2. Phenology: flowering.RMRM828399 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson61337Ronald L. Hartman1998615166U.S.A.ColoradoPuebloWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 78, ca 5.5 air mi SW of Pueblo (city center).-104.68838.224814931524Roadcut with calcareous substrate.RMRM828398 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson61582Ronald L. Hartman1998619170U.S.A.ColoradoPuebloWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: abandoned rest area on I-25 near Muddy and Greenhorn creeks.-104.724638.04971646Grassland, weedy areas, and pinyon-oak-juniper.RMRM830028 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson6414Brian Elliott Elizabeth Mark199963154U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5 mi SE of junction of U.S. Hwy 50 and 3 Road at Parkdale, W of Pueblo.-105.374638.48321768Pinyon-juniper. Phenology: flowering.RMRM830027 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson6469Brian Elliott Elizabeth Mark199963154U.S.A.ColoradoFremontWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: base of YMCA Mountain on Temple Canyon Road, ca 2 air mi SW of Canon City.-105.300438.49741920Pinyon-juniper. Phenology: flowering.RMRM830026 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson7166Brian Elliott Elizabeth Mark and Kenneth Elliott1999615166U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 1.5 mi W of Badito Cone, ca 6 air mi E of Gardner.-105.038937.76962134Pinyon-juniper. Phenology: flowering.RMRM830025 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson7431Brian Elliott Elizabeth Mark1999618169U.S.A.ColoradoLas AnimasWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: Bosque de Oso Wildlife Area, Torres Canyon, SW of Weston.-104.891737.09582256Riparian with Quercus. Phenology: flowering.RMRM829541 Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson60925Ronald L. Hartman Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan199862153U.S.A.ColoradoHuerfanoWet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: southeast end of Wet Mountains, ca 13 air mi NW of Walsenburg.-104.984237.755120422256Rocky ridges and grassy valley. Sheet 2 of 2. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1123C. H. Refsdal Kelly Altenhofen and Lorie Talbott1994623174U.S.A.UtahDaggettNorth Slope Uinta Mountains: Flaming Gorge National Recreation Area: ca 1 air mi W of Flaming Gorge Dam; Cart Creek drainage into Flaming Gorge.-109.443140.908818782012Dry pinyon-juniper uplands with clay soils, sandstone bluffs, and steep slopes. Phenology: flowering & fruiting.RMRM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson840Lori E. Brummer201072183U.S.A.ColoradoDeltaGunnison Gorge Wilderness: Ute Trail to Gunnison River, ca 13 air mi ESE of Delta.-107.863938.682316031987Gully in steep, rocky sandstone hillside. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson1354Timothy W. Chumley Irene Thien199571182U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Texas Creek Gulch off Table Mountain or County Road 217A, ca 3 air mi NNW of town of Texas Creek.-105.597138.440320852417In open meadow with sandy soils and large old slash piles. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson736Timothy W. Chumley1995614165U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sixmile Park: from Indian Springs Campground N along a tributary of Sixmile Creek, following an old road; ca 6 air mi NW of Canon City.-105.132638.513116462051Sandstone slopes and sandy washes. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson852Timothy W. Chumley1995616167U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Twin Mountain off U.S. Hwy 50, ca 5.6 air mi NW of Canon City; ca 2 road mi from turnoff to Royal Gorge.-105.300438.497418902073Open wooded slopes on coarse sandy soils. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson977Timothy W. Chumley1995619170U.S.A.ColoradoDouglasEast-central Colorado: Mosquito Range to Plains: Rampart Range: off Colo Hwy 67 along Horse Creek, ca 1/2 air mi SE of Deckers; ca 20.1 air mi NNW of Woodland Park.-105.21339.251119632109Coarse granitic gravel slopes above creek, in ponderosa pine. Phenology: flowering.RM Asclepias asperula var. asperulaphysical specimenApocynaceaeAsclepiasasperulavar. asperula(Decne.) Woodson3511Timothy W. Chumley199661153U.S.A.ColoradoFremontEast-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Phantom Canyon: in Phantom Canyon off Colo Hwy 67, ca 5.5 air mi NE of Canon City.-105.114238.541919662500On rocky granitic-gravelly soils in pinyon-juniper and Gambel's oak. Phenology: flowering.36003,1,0true