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Erigeron untermannii

Welsh & Goodrich

Untermann's Daisy

G2Imperiled Found in 3 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
HighThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.154246
Element CodePDAST3M4J0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusErigeron
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.
Taxonomic Comments
Includes Erigeron carringtoniae, which is treated as a distinct species by Welsh et al. (2008).
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2021-11-19
Change Date2001-02-12
Edition Date2021-11-19
Edition AuthorsBen Franklin, rev. B. Franklin (1996), rev. L. Oliver (2018), rev. M. McCormick (2021)
Threat ImpactHigh
Range Extent1000-5000 square km (about 400-2000 square miles)
Number of Occurrences6 - 20
Rank Reasons
A Utah endemic only known from a handful of counties where it is found only on the Wasatch and Tavaputs Plateau. This species is threatened by habitat degradation from oil and gas development, grazing, and severe drought.
Range Extent Comments
An edaphic endemic to central Utah with many occurrences in Duschesne, Uintah, Emery, and Sanpete Counties. This species occurs on Tertiary shale and limestone in the Wasatch and Tavaputs Plateau, only.
Occurrences Comments
There are 17 known occurrences.
Threat Impact Comments
Threats to this species include habitat degradation oil, gas and mining infrastructure and livestock grazing (Utah Natural Heritage Program 2021). All occurrences on federal lands are within active grazing allotments. All occurrences on Tavaputs Plateau are subject to impacts from potential oil and gas field development and oil shale extraction. Some occurrences are on Tribal and private lands where threats are unknown. In addition, this species is threatened by climate change as evidenced in the the 'extreme' or 'exceptional' drought situation the Utah Division of Water Resources considers the state to be in as of 2021.
Ecology & Habitat

Habitat

Calcareous shales and sandstones, mainly of the Uinta and Green River formations, in various plant communities at elevations ranging from 2073 to 2890 m.
Pinyon-juniper, mountain mahogany, limber and bristlecone pine, and sagebrush communities on calcareous shales and sandstones of the Uinta and Green River Formations between 7,000 and 9,400 feet elevation (Utah Native Plant Society 2005).
Terrestrial Habitats
Forest/WoodlandForest - ConiferWoodland - ConiferShrubland/chaparral
Other Nations (1)
United StatesN2
ProvinceRankNative
UtahS2Yes
Threat Assessments
ThreatScopeSeverityTiming
2 - Agriculture & aquacultureLarge (31-70%)Slight or 1-10% pop. declineHigh (continuing)
2.3 - Livestock farming & ranchingLarge (31-70%)Slight or 1-10% pop. declineHigh (continuing)
3 - Energy production & miningLarge (31-70%)Moderate - slightHigh (continuing)
3.1 - Oil & gas drillingRestricted (11-30%)Moderate or 11-30% pop. declineHigh (continuing)
3.2 - Mining & quarryingLarge (31-70%)Moderate - slightHigh (continuing)
4 - Transportation & service corridorsRestricted (11-30%)Slight or 1-10% pop. declineHigh (continuing)
8 - Invasive & other problematic species, genes & diseasesLarge (31-70%)Slight or 1-10% pop. declineHigh (continuing)
11 - Climate change & severe weatherPervasive (71-100%)Serious - moderateHigh (continuing)

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Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (3)
Utah (3)
AreaForestAcres
0401010Ashley National Forest21,886
0401011Ashley National Forest30,062
Big Bear CreekManti-Lasal National Forest28,440
References (10)
  1. Cronquist, A. 1994. Asterales. In A. Cronquist, A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren. Intermountain flora: Vascular plants of the Intermountain West, U.S.A. Vol. 5. New York Botanical Garden, Bronx. 496 pp.
  2. Flora of North America Editorial Committee (FNA). 2006b. Flora of North America north of Mexico. Vol. 20. Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford Univ. Press, New York. xxii + 666 pp.
  3. Franklin, M.A. 1988. Report for sensitive plant inventory project, Ashley National Forest. Target species: Erigeron untermannii. The Nature Conservancy/Utah Natural Heritage Program. Unpublished report on file Utah Natural Heritage Program, Salt Lake City. 5 pp + appendices
  4. Franklin, M.A. 1989. Report for 1989 Challenge Cost Share Project, Ashley National Forest. Target species: Erigeron untermannii Welsh & Goodrich (Untermann daisy). Cooperator: Utah Natural Heritage Program, Salt Lake City. 9 pp + appendices.
  5. 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.
  6. Southwest Environmental Information Network (SEINet). 2018. Collections Databases. Online. Available: http://swbiodiversity.org/seinet/ (accessed 2018).
  7. Utah Native Plant Society. 2003-2005. Utah Rare Plant Guide. Salt Lake City, UT. Online. Available: http://www.utahrareplants.org. (Accessed 2005)
  8. Welsh, S. L. 1983. A bouquet of daisies (<i>Erigeron</i>, Compositae). Great Basin Naturalist 43(2): 365-368.
  9. Welsh, S.L., N.D. Atwood, S. Goodrich, and L.C. Higgins (eds.) 1993. A Utah flora. 2nd edition. Brigham Young Univ., Provo, Utah. 986 pp.
  10. Welsh, S.L., N.D. Atwood, S. Goodrich and L.C. Higgins. (Eds.) 2008. A Utah Flora. 4th edition, revised. Brigham Young University, Provo, Utah, U.S.A. 1019 pp.