Draba fladnizensis - Wulfen
White Arctic Whitlow-grass
Other English Common Names: Austrian Draba, Austrian Whitlowgrass
Taxonomic Status: Accepted
Related ITIS Name(s): Draba fladnizensis Wulfen (TSN 22878)
French Common Names: drave de Fladniz
Unique Identifier: ELEMENT_GLOBAL.2.130473
Element Code: PDBRA110Z0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mustard Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Capparales Brassicaceae Draba
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Draba fladnizensis
Taxonomic Comments: Flora of North America (vol. 7, 2010) lumps subspecific taxa.
Conservation Status
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NatureServe Status

Global Status: G4G5
Global Status Last Reviewed: 13Jul2016
Global Status Last Changed: 13Jul2016
Rounded Global Status: G4 - Apparently Secure
Nation: United States
National Status: NNR
Nation: Canada
National Status: N4N5 (13Jul2016)

U.S. & Canada State/Province Status
United States Alaska (S3S4), Colorado (S2S3), Idaho (S1), Montana (S2?), Utah (SNR), Wyoming (S2)
Canada British Columbia (S2S3), Labrador (S3), Northwest Territories (SNR), Nunavut (SU), Yukon Territory (S4)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Circumpolar, south in North America to British Columbia, Utah, and Colorado. Sparse.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Circumpolar, south in North America to British Columbia, Utah, and Colorado. Sparse.

U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AK, CO, ID, MT, UT, WY
Canada BC, LB, NT, NU, YT

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
AK Bethel (CA) (02050)
CO Boulder (08013)*, Chaffee (08015), Clear Creek (08019), Custer (08027), Grand (08049), Gunnison (08051)*, Lake (08065), Larimer (08069), Ouray (08091), Park (08093), Rio Grande (08105)*, Saguache (08109), San Juan (08111), San Miguel (08113), Summit (08117), Teller (08119)
ID Custer (16037)
MT Deer Lodge (30023)*, Madison (30057), Stillwater (30095)
UT Beaver (49001)*, Piute (49031)*, San Juan (49037)*
WY Big Horn (56003), Fremont (56013), Johnson (56019), Lincoln (56023), Park (56029), Sublette (56035), Teton (56039)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
10 Big Hole (10020004)+*, Madison (10020007)+, Gallatin (10020008)+, Stillwater (10070005)+, Clarks Fork Yellowstone (10070006)+, Upper Wind (10080001)+, Little Wind (10080002)+, Popo Agie (10080003)+, Nowood (10080008)+, Greybull (10080009)+, North Fork Shoshone (10080012)+, South Fork Shoshone (10080013)+, Clear (10090206)+, South Platte Headwaters (10190001)+, Upper South Platte (10190002)+, Clear (10190004)+, St. Vrain (10190005)+*, Big Thompson (10190006)+*, Cache La Poudre (10190007)+
11 Arkansas Headwaters (11020001)+, Upper Arkansas (11020002)+
13 Rio Grande headwaters (13010001)+*, Alamosa-Trinchera (13010002)+*, San Luis (13010003)+
14 Colorado headwaters (14010001)+, Blue (14010002)+, East-Taylor (14020001)+*, Tomichi (14020003)+, Uncompahange (14020006)+, Upper Dolores (14030002)+*, San Miguel (14030003)+, Lower Dolores (14030004)+*, Upper Colorado-Kane Springs (14030005)+*, New Fork (14040102)+, Animas (14080104)+
16 Middle Sevier (16030003)+*, Beaver Bottoms-Upper Beaver (16030007)+*
17 Snake headwaters (17040101)+, Greys-Hobock (17040103)+, Salt (17040105)+, Teton (17040204)+, Big Lost (17040218)+
19 Kuskokwim Delta (19030502)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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General Description: Draba fladnizensis is a low perennial herb with 1 to a few leafless stems that are 2-6 cm high and which arise from basal leaf rosettes that, in turn, arise from the ends of a simple or branched rootcrown. The narrowly lance-shaped leaves are 15-25 mm long and have long, straight hairs on the entire margins; otherwise, they are glabrous or sparsely hairy. 3-12 stalked flowers are borne at the tops of the stems. Each flower has 4 separate sepals, 4 separate, white petals that are ca. 2-3 mm long, and 4 long and 2 short stamens. The style is less than 0.5 mm long or absent. The glabrous, narrowly egg-shaped capsules are 3-9 mm long and are borne on erect or ascending stalks.
Diagnostic Characteristics: There are many similar-appearing species of Draba in our area. A technical manual and hand lens or microscope are required for positive identification. D. crassifolia is similar but has yellow flowers. D. lonchocarpa and D. porsildii have white flowers but the leaves have branched hairs and lack the long, straight hairs on the margins.
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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Element Ecology & Life History Edition Date: 13Apr2009
Element Ecology & Life History Author(s): JM, rev. Lyon, P. and J. Handwerk (2009)

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Al-Shehbaz, I. A., M. D. Windham, and R. Elven. 2010. Draba. Pages 269- 347 in Flora of North America Editorial Committee, editor. Flora of North America North of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York, NY.

  • Dixon, H. 1983. Specimen collections at Adams State College Herbarium, Alamosa, CO.

  • Dorn, R. D. 1992. Vascular Plants of Wyoming, second edition. Mountain West Publishing, Cheyenne, WY.

  • Dorn, R. D. 2001. Vascular Plants of Wyoming, third edition. Mountain West Publishing, Cheyenne, WY.

  • Fertig, W. 2000. State Species Abstract: Draba fladnizensis var. pattersonii. Updated 2008 by J. Handley. Wyoming Natural Diversity Database. Available on the internet at www.uwyo.edu/wyndd.

  • Fertig, W. 1992. Checklist of the vascular plant flora of the west slope of the Wind River Range and status report on the sensitive plant species of Bridger-Teton National Forest. Unpublished report prepared for the Bridger-Teton National Forest by the Rocky Mountain Herbarium, University of Wyoming, Laramie, WY.

  • Fertig, W. 1998. The status of rare plants on Shoshone National Forest: 1995-97 survey results. Unpublished report prepared for the Shoshone National Forest by the Wyoming Natural Diversity Database, Laramie, WY.

  • Fertig, W. 1999. The status of rare plants in the Bighorn Landscape. Report prepared for The Nature Conservancy Wyoming Field Office by the Wyoming Natural Diversity Database, Laramie, Wyoming.

  • Fertig, W. 2000. Rare vascular plant species in the Wyoming portion of the Utah-Wyoming Rocky Mountains Ecoregion. Prepared for the Wyoming Nature Conservancy by the Wyoming Natural Diversity Database, Laramie, WY.

  • Fertig, W. and M. Bynum. 1994. Biological report on the Proposed Twin Lakes Research Natural Area. Unpublished report prepared for the Shoshone National Forest by the Wyoming Natural Diversity Database, Laramie, WY.

  • Fertig, W., R. L. Hartman, and B. E. Nelson. 1991. General floristic survey of the west slope of the Wind River Range, Bridger-Teton National Forest, 1990. Unpublished report prepared for the Bridger-Teton National Forest by the Rocky Mountain Herbarium, University of Wyoming, Laramie, WY.

  • Flora of North America Editorial Committee. 2010. Flora of North America North of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.

  • Harrington, H. D. 1954. Manual of the Plants of Colorado. Sage Books, Denver, CO.

  • Hitchcock, C. L. 1941. A revision of the Drabas of western North America. University of Washington Publications in Biology 11:1-132.

  • Hitchcock, C. L. and A. Cronquist. 1964. Vascular Plants of the Pacific Northwest, Part 2: Salicaceae to Saxifragaceae. Pages 1-914. University of Washington Press, Seattle, WA.

  • Holmgren, N. 2005. Brassicaceae. Pages 174-416 Holmgren, N. H., P.K. Holmgren and A. Cronquist. Intermountain Flora; Vascular Plants of the Intermountain West. Vol. 2, Part B. Subclass Dilleniidae. The New York Botanical Garden Press, Bronx, NY.

  • Hulten, E. 1968. Flora of Alaska and Neighboring Territories. Stanford University Press, Stanford, CA.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kesonie, D. T. 2009. A floristic inventory of Grand Teton National Park and the Pinyon Peak Highlands, Wyoming. Masters Thesis. Department of Botany, University of Wyoming, Laramie, WY.

  • Komarkova, V. 1972. Specimen collections at University of Colorado Herbarium, Boulder, CO.

  • Lesica, P. & J. S. Shelly. 1991. Sensitive, Threatened and Endangered Vascular Plants of Montana. Montana Natural Heritage Program, Occ. Publ. No. 1. Helena, MT.

  • Massatti, R. T. 2007. A floristic inventory of the East Slope of the Wind River Mountain Range and vicinity, Wyoming. Masters Thesis. Department of Botany, University of Wyoming, Laramie, WY.

  • Mulligan, G. A. 1974. Cytotaxonomic studies of Draba nivalis and its close allies in Canada and Alaska. Canadian Journal of Botany 52:1793-1801.

  • Nelson, B. E. 1984. Vascular Plants of the Medicine Bow Range. Jelm Mountain Press, Laramie, WY.

  • O'Kane, S. 1985. Specimen collections at Colorado State University Herbarium, Fort Collins, CO.

  • Rollins, R. C. 1951. Plants collected during 1951 by R.C. Rollins deposited at the University of Colorado Herbarium, Boulder, CO.

  • Rollins, R. C. 1993. The Cruciferae of Continental North America: Systematics of the Mustard Family from the Arctic to Panama. Stanford University Press, Stanford, CA.

  • Scott, R. W. 1997. The Alpine Flora of the Rocky Mountains; Volume 1. The Middle Rockies. University of Utah Press, Salt Lake City, UT.

  • Spackman, S., M. Duff, and S. Floyd. 1996. Fourteeners initiative rare plant survey report. Rare plant surveys of Mount Missouri, Mount Huron, Mount Harvard, Mount Shavano, Mount Massive and Tabequache Peak in the southern Sawatch Range, Colorado 1994 and 1995. Unpublished report prepared for the U.S. Forest Service, Leadville Ranger District by the Colorado Natural Heritage Program, Fort Collins, CO.

  • Weber, W. A. 1969. Specimen collections at the University of Colorado Herbarium, Boulder, CO.

  • Welp, L., W.F. Fertig, G.P. Jones, G.P. Beauvais, and S.M. Ogle. 2000. Fine filter analysis of the Bighorn, Medicine Bow, and Shoshone National Forests in Wyoming. Wyoming Natural Diversity Database, Laramie, WY.

  • Willard, B. 1960. Plants collected during 1960 by B. Willard deposited at the University of Colorado Herbarium, Boulder, Colorado.

  • Yeatts, L. 1991. Plants collected during 1991 by L. Yeatts deposited at the University of Colorado Herbarium, Boulder, Colorado.

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