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Chaenactis

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douglasii

Taxon

Chaenactis douglasii (Hook.) Hook. & Arn.

Protologue Bot. Beechey Voy. 354. 1839 [Jan-May 1839]BHL pageIPNI
AcceptedGBIF
Predicted not threatened
All7var. douglasii2
Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (67).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (67).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (60).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (60).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (64).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (64).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (68).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (68).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (58).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (58).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (61).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (61).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (55).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (55).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (59).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (59).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (72).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (72).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (56).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (56).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (69).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (69).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (62).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (62).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (63).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (63).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (66).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (66).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (65).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (65).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (70).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (70).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (71).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (71).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (57).JPG

Chaenactis douglasii, Mansfield, D 12-640--ID. Bear Lake Co. Mt. Sherman. 13 Jul 2012. DSC03679 (57).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (96).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (96).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (90).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (90).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (12).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (12).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (80).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (80).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (83).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (83).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (87).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (87).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (11).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (11).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (2).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (2).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (76).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (76).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (4).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (4).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (13).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (13).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (85).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (85).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (10).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (10).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3074 (1).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3074 (1).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3074 (2).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3074 (2).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (9).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (9).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (88).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (88).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (94).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (94).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (3).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (3).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (86).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (86).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 120985--USA, Owyhee County, Idaho, 20 Aug 2012  3076 (2).JPG

Chaenactis douglasii var. douglasii, Davidson, C 120985--USA, Owyhee County, Idaho, 20 Aug 2012 3076 (2).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 120985--USA, Owyhee County, Idaho, 20 Aug 2012  3076 (1).JPG

Chaenactis douglasii var. douglasii, Davidson, C 120985--USA, Owyhee County, Idaho, 20 Aug 2012 3076 (1).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (78).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (78).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (7).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (7).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (93).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (93).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (95).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (95).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (5).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (5).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (79).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (79).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (8).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (8).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (77).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (77).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (89).JPG

Chaenactis douglasii var. glandulosa, Davidson, C 12098--ID. Owyhee Co. Silver City. 20 Aug 2012. DSC04305 (89).JPG

By Christopher Davidson

CC-BY-NC-SA-4.0

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012  3070 (6).JPG

Chaenactis douglasii var. douglasii, Davidson, C 12098--USA, Owyhee County, Idaho, 20 Aug 2012 3070 (6).JPG

By Sharon R. Christoph

CC-BY-NC-SA-4.0

Native to Alberta, Arizona, British Columbia, California, Colorado, Idaho, Montana, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, Wyoming (source: POWO). Flora of the World documents 7 occurrences across 1 country.

Distribution

Chaenactis douglasii

var. douglasii

Distribution from Plants of the World Online (POWO). View the accepted name on POWO

Occurrences

C. Davidson 13863

July 30, 2018

Location

United States, Idaho, Fremont (Island Park)

44.289333, -111.459389

Location Remarks

Intersection of Hwy 20 and Pinehaven Rd. ca. 16 km S of bridge in Island Park and 26 km N of Main St. in Ashton. Elev. 1868 m.

Collectors

Christopher Davidson, Sharon R. Christoph

Notes

Full sun in stunted fir forest, scree of exposed basalt shoulder. Flowers lavender.

C. Davidson 13656

June 17, 2017

Location

United States, Idaho, Butte (Howe)

43.961722, -112.750611

Location Remarks

On Hwy 22 W of Dubois and 3.5 km W of Hwy 28 junction. Elev. 1557 m. (Close to Butte/Clark Co. line.)

Collectors

Christopher Davidson, Sharon R. Christoph

Notes

Roadside strip in open farm country of gently rolling hills.

Davidson, C 12224

July 14, 2013

Identified as

Chaenactis douglasii var. douglasii

Location

United States, Idaho, Custer (Stanley)

44.149139, -114.916833

Location Remarks

Redfish Lake

Collectors

Christopher Davidson, Sharon R. Christoph, Roy E. Gereau, Charlotte M. Taylor

Notes

Steep, coarse basalt scree slope south above the road.

Davidson C. 11081

June 17, 2007

Location

United States, Idaho, Boise (Lowman)

44.083139, -115.754194

Location Remarks

Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.

Collectors

Christopher Davidson

Mansfield D., et al. 12-640

July 13, 2012

Location

United States, Idaho, Bear Lake (Montpelier)

42.431667, -111.562722

Location Remarks

Sherman Peak Area. Follow North Canyon Rd. (Forest Road 401) ) from Hwy 36 near E entrance to Emmigration Canyon. At intersection of Bartlett Lake and North Canyon Rd. (1.9 mi. from Hwy 36), go W on N Canyon Rd. past Mill Hollow Rd. At 4.7 mi. from Hwy 36 turn N at Meadow Creek (FR 425). Stop along Meadow Creek, ca. 0.8 mi. N of North Canyon Rd.

Collectors

Donald H. Mansfield, Bob McCoy, Brittni Brown, Christopher Davidson, Sharon R. Christoph

Notes

Open subalpine meadow with mixed forbs, including: lupine, Rudbeckia, Potentilla gracillus, Carex hoodii. On limestone. Lvs pinnatified (1-3). Receptacle naked. Fls off-white, corolla petals 5-toothed, discoid flowers. Pappus scales w/out midrib, mostly 10-16.

Brummitt, R. K 21878

June 1, 2008

Location

United States, Oregon, Malheur (Harper)

43.776083, -117.754528

Location Remarks

Hwy 20, ca. 37 km east of Frances St. in Juntura, in Simmons Gulch. Elev. 852 m.

Collectors

R. K. Brummitt, Barbara Ertter, Christopher Davidson

Davidson, C 12098

August 20, 2012

Identified as

Chaenactis douglasii var. douglasii

Location

United States, Idaho, Owyhee (Hammett)

42.904333, -115.692611

Location Remarks

Bruneau Canyon Scenic Overlook, 25 km south of Bruneau (ssmall town) on Hot Springs Rd., then 5 km west on unnamed road (Scenic overlook sign) to the canyon rim. 2240 m elev.

Collectors

Christopher Davidson, Sharon R. Christoph, Roy E. Gereau, Charlotte M. Taylor

Notes

Mixed conifer forest, mostly Douglas fir. Sandy, gravelly soil on roadside bank.

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Asterales

Family

Asteraceae

Genus

Chaenactis

Specific Epithet

douglasii

Authorship

(Hook.) Hook. & Arn.

Taxonomic Opinions

GBIFWFOPOWO

Conservation (EDGE)

What is EDGE?

Evolutionary distinctiveness

Lower

ED 0.9

Part of a well-represented branch of the plant tree of life, with many close relatives.

Threat status

Predicted not threatened

Modelled estimate

EDGE score

0.1

Global rank

#276,645 of 335,497

Top 83%

Extinction probability

10%

Source: Flowering plants EDGE assessment →