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Micranthes micranthidifolia

(Haworth) Small

Lettuceleaf Saxifrage

G5Secure Found in 35 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.137353
Element CodePDSAX0U100
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRosales
FamilySaxifragaceae
GenusMicranthes
Synonyms
Saxifraga micranthidifolia(Haw.) Steud.
Other Common Names
Branch-lettuce (EN) lettuceleaf saxifrage (EN)
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
FNA (vol. 8, 2009) transfers Saxifraga micranthidifolia to Micranthes micranthidifolia.
Conservation Status
Review Date1986-04-02
Change Date1986-04-02
Threat Impact Comments
Somewhat threatened by over-harvest; gathered and eaten as a 'green' in much of range, possibly impacting assessable populations (Southern Appalachian Species Viability Project 2002).
Ecology & Habitat
Other Nations (1)
United StatesNNR
ProvinceRankNative
VirginiaS5Yes
New JerseySNRYes
West VirginiaS4Yes
KentuckyS1Yes
GeorgiaS3Yes
PennsylvaniaS4Yes
MarylandS3Yes
TennesseeSNRYes
North CarolinaS3Yes
South CarolinaS2Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (35)
Georgia (1)
AreaForestAcres
Pink KnobChattahoochee National Forest12,127
North Carolina (8)
AreaForestAcres
Bald MountainPisgah National Forest11,085
BearwallowPisgah National Forest4,113
Cheoah BaldNantahala National Forest7,795
Craggy MountainPisgah National Forest2,657
Harper CreekPisgah National Forest7,325
Jarrett CreekPisgah National Forest7,485
Mackey MountainPisgah National Forest5,934
Wilson CreekPisgah National Forest4,863
South Carolina (1)
AreaForestAcres
Bee CoveSumter National Forest3,025
Tennessee (7)
AreaForestAcres
Bald MountainCherokee National Forest11,743
Beaver Dam CreekCherokee National Forest5,070
Brushy RidgeCherokee National Forest7,469
Flint Mill GapCherokee National Forest9,494
Rogers RidgeCherokee National Forest4,738
Slide HollowCherokee National Forest4,057
Stone MountainCherokee National Forest5,367
Virginia (8)
AreaForestAcres
Adams PeakGeorge Washington National Forest7,135
Beaver Dam CreekJefferson National Forest1,135
Garden MountainJefferson National Forest3,960
Laurel ForkGeorge Washington National Forest9,967
Mt. PleasantGeorge Washington National Forest8,933
Northern MassanuttenGeorge Washington National Forest9,444
Seng MountainJefferson National Forest6,428
The PriestGeorge Washington National Forest5,737
West Virginia (10)
AreaForestAcres
Cranberry AdditionMonongahela National Forest11,123
Cranberry Glades Botanical AreaMonongahela National Forest785
Dry ForkMonongahela National Forest657
East Fork Of GreenbrierMonongahela National Forest7,167
Falls Of Hills CreekMonongahela National Forest6,925
Glady ForkMonongahela National Forest3,239
Laurel ForkMonongahela National Forest1,172
Mcgowan MountainMonongahela National Forest10,504
Seneca CreekMonongahela National Forest22,287
Tea Creek MountainMonongahela National Forest8,295
References (5)
  1. Flora of North America Editorial Committee (FNA). 2009. Flora of North America north of Mexico. Vol. 8. Magnoliophyta: Paeoniaceae to Ericaceae. Oxford University Press, New York. xxiv + 585 pp.
  2. 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.
  3. Southern Appalachian Species Viability Project. 2002. A partnership between the U.S. Forest Service-Region 8, Natural Heritage Programs in the Southeast, NatureServe, and independent scientists to develop and review data on 1300+ regionally and locally rare species in the Southern Appalachian and Alabama region. Database (Access 97) provided to the U.S. Forest Service by NatureServe, Durham, North Carolina.
  4. Stubbs, R.L., D.E. Soltis, and N. Cellinese. 2018. The future of cold- adapted plants in changing climates: Micranthes (Saxifragaceae) as a case study. Ecology and Evolution 8:7164-7177.
  5. Stubbs, R.L., R.A. Folk, D.E. Soltis, and N. Cellinese. 2020. Diversification in the Arctic: Biogeography and Systematics of the North American Micranthes (Saxifragaceae). Systematic Botany 45(4): 802-811.