ATTACHMENT SS2 REGION 2 SENSITIVE SPECIES EVALUATION FORM Species: Erigeron radicatus / Taprooted Fleabane Criteria Rank Rationale Literature Citations Taprooted Fleabane occurs in the Beartooth, Absaroka, and northeastern Wind River • Dorn 2001 1 A ranges in Fremont and Park counties on the Shoshone National Forest. It is not known Distribution • Fertig 1997, 1998, 2000 within R2 from any other Region 2 state. • Jones and Fertig 1999a, b • Mills and Fertig 1996a, b, 2000 In Wyoming, this species is found at and above timberline in krummholz, fellfields, and • Scott 1997 outcrops on ridges, slopes, and summits. It often grows in soils derived from • University of Wyoming 1998 calcareous material. Elevational ranges are from 7,820 to 11,600 feet. Taprooted • Welp et al. 2000 Fleabane reaches the southern edge of its range in Wyoming. Confidence in Rank High Taprooted Fleabane is a Northern Rocky Mountains species ranging from British • Cronquist 1955 2 B Colombia and Alberta, south to east central Idaho, southwestern Montana, and Distribution • Fertig 1992a, b outside R2 western Wyoming. Outside of Region 2 in Wyoming it is known from the Wyoming and • Fertig and Jones 1994 northern Wind River mountains on the Bridger-Teton National Forest in Sublette • Fertig et al. 1991 County. • Moseley 1989 Confidence in Rank High It may be inferred that the bristly pappus is appropriate for wind dispersal across • Cronquist 1955 3 D unsuitable habitat. Dispersal • Mills and Fertig 2000 Capability • Scott 1997 Confidence in Rank High Taprooted Fleabane is known from 8 occurrences in the state, 6 of which have been • Fertig 1992a, b, 1997, 1998, 4 A discovered or relocated since 1990 (most recently in 1998). Five of the known Abundance in 2000 R2 occurrences are on the Shoshone National Forest. This species may be locally • Fertig and Jones 1994 common within small patches of suitable habitat. It is ranked “S2” in Wyoming. • Fertig et al. 1991 • Jones and Fertig 1999a, b • Mills and Fertig 1996a, b, 2000 • Welp et al. 2000 Confidence in Rank High • WYNDD 2002 5 D Most populations are presumed to be stable at present. • - Population Trend in R2 Confidence in Rank High USDA-Forest Service R2 Sensitive Species Evaluation Form Page 1 of 4 ATTACHMENT SS2 Species: Erigeron radicatus / Taprooted Fleabane Criteria Rank Rationale Literature Citations 6 D Habitat is presumed to be stable. • - Habitat Trend in R2 Confidence in Rank High Threats are presumed to be low due to the plants rugged alpine habitat. Taprooted • Mills and Fertig 2000 7 CB Fleabane occurs in areas managed as wilderness and as multiple use on both the Habitat • WYNDD 2002 Vulnerability Bridger-Teton and Shoshone National forests. or Modification Confidence in Rank Low Taprooted Fleabane is taprooted perennial forb. Flowering and fruiting occur from July • Cronquist 1955 8 D through August. Life History • Mills and Fertig 2000 and • Scott 1997 Demographics Additional information on the species, including life history stages, population structure, longevity, mortality, and seed biology, are not available. Confidence in Rank High Initial Evaluator(s): Date: March 8, 2002 Joy Handley, Scott Laursen and Bonnie Heidel National Forests in the Rocky Mountain Region where species is KNOWN (K) or LIKELY(L)1 to occur: 1 Likely is defined as more likely to occur than not occur on the National Forest or Grassland. This generally can be thought of as having a 50% chance or greater of appearing on NFS lands. USDA-Forest Service R2 Sensitive Species Evaluation Form Page 2 of 4 ATTACHMENT SS2 Colorado NF/NG Kansas NF/NG Nebraska NF/NG South Dakota Wyoming NF/NG NF/NG y y y y y Known Likel Known Likel Known Likel Known Likel Known Likel Arapaho-Roosevelt NF Cimmaron NG Samuel R.McKelvie NF Black Hills NF Shoshone NF X White River NF Halsey NF Buffalo Gap NG Bighorn NF Routt NF Nebraska NF Ft. Pierre NG Black Hills NF Grand Mesa, Ogalala NG Medicine Bow NF Uncompahgre, Gunnison NF San Juan NF Thunder Basin NG Rio Grande NF Pike-San Isabel NF Comanche NG Literature cited Cronquist, A. 1955. Pt. 5. Compositae. In: Hitchcock, C.L., A. Cronquist, M. Ownbey, and J.W. Thompson (eds). Vascular Plants of the Pacific Northwest. Univ. Washington Publ. Biol. 17(5): 1-343. Dorn, R.D. 2001. Vascular Plants of Wyoming, third edition. Mountain West Publishing, Cheyenne, WY. Fertig, W. 1992a. A floristic survey of the west slope of the Wind River Range, Wyoming. Unpublished Master's Thesis, University of Wyoming, Department of Botany. Fertig, W. 1992b. 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. Fertig, W. 1997. Plant species of special concern on Shoshone National Forest: 1996 survey results. Unpublished report prepared by the Wyoming Natural Diversity Database, Laramie, WY. Fertig, W. 1998. The status of rare plants on Shoshone National Forest: 1995-97 survey results. Report prepared by the Wyoming Natural Diversity Database, Laramie, WY. 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 G. Jones. 1994. Establishment record for Osborn Mountain Research Natural Area within Bridger-Teton National Forest, Sublette County, Wyoming. Unpublished report prepared for US Forest Service Region 4, by the Wyoming Natural Diversity Database. USDA-Forest Service R2 Sensitive Species Evaluation Form Page 3 of 4 ATTACHMENT SS2 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. Report prepared by the Rocky Mountain Herbarium, University of Wyoming, for the Bridger-Teton National Forest. Jones, G.P. and W. Fertig. 1999a. Ecological evaluation of the potential Arrow Mountain Research Natural Area within the Shoshone National Forest, Fremont County, Wyomng. Unpublished report prepared for the Shoshone National Forest, USDA Forest Service by the Wyoming Natural Diversity Database, University of Wyoming. Jones, G.P. and W. Fertig. 1999b. Ecological evaluation of the potential Beartooth Butte Research Natural Area within the Shoshone National Forest, Park County, Wyomng. Unpublished report prepared for the Shoshone National Forest, USDA Forest Service by the Wyoming Natural Diversity Database, University of Wyoming. Mills, S. and W. Fertig. 1996a. Field guide to rare and Sensitive plants of the Shoshone National Forest. Report prepared by the Wyoming Natural Diversity Database, Laramie, WY. Mills, S. and W. Fertig. 1996b. Survey of plant species of special concern on the Shoshone National Forest, 1995. Unpublished report prepared for Shoshone National Forest by the Wyoming Natural Diversity Database, Laramie, WY. Mills, S. and Fertig, W. 2000. State Species Abstract: Erigeron radicatus. Wyoming Natural Diversity Database. Available on the internet at www.uwyo.edu/wyndd Moseley, R.K. 1989. Field investigations of seven rare alpine plant species in the southern Lemhi Range and Beaverhead Mountains, Targhee National Forest. Prepared by the Natural Heritage Section, Idaho Dept. of Fish and Game, Boise, ID. Scott, R.W. 1997. The Alpine Flora of the Rocky Mountains. Volume 1 The Middle Rockies. University of Utah Press, Salt Lake City, UT. University of Wyoming – Rocky Mountain Herbarium. 1998. Atlas of the Flora of Wyoming. Posted electronically through 1998 at: http://www.esb.utexas.edu/tchumley/wyomap/ and unposted accession information at the Rocky Mountain Herbarium through 2001. 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. Wyoming Natural Diversity Database. 2002. Ongoing documentation of sensitive species distribution, biology, status, and references for the state of Wyoming. University of Wyoming, Laramie. USDA-Forest Service R2 Sensitive Species Evaluation Form Page 4 of 4 .