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Houstonia serpyllifolia

Michx.

Michaux's Bluet

G4Apparently Secure (G4?) Found in 51 roadless areas NatureServe Explorer →
G4Apparently SecureGlobal Rank
Michaux's Bluet (Houstonia serpyllifolia). Photo by Sophia BenJeddi, CC BY-NC 4.0, via iNaturalist.
Sophia BenJeddi, CC BY-NC 4.0
Michaux's Bluet (Houstonia serpyllifolia). Photo by Michael J. Papay, CC BY 4.0, via iNaturalist.
Michael J. Papay, CC BY 4.0
Michaux's Bluet (Houstonia serpyllifolia). Photo by Leila Dasher, CC BY 4.0, via iNaturalist.
Leila Dasher, CC BY 4.0
Michaux's Bluet (Houstonia serpyllifolia). Photo by Leila Dasher, CC BY 4.0, via iNaturalist.
Leila Dasher, CC BY 4.0
Identity
Unique IDELEMENT_GLOBAL.2.160160
Element CodePDRUB1T070
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRubiales
FamilyRubiaceae
GenusHoustonia
Synonyms
Hedyotis michauxiiFosberg
Other Common Names
Appalachian Bluet (EN) thymeleaf bluet (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.
Conservation Status
Review Date1991-05-13
Change Date1991-05-15
Edition Date1991-05-13
Edition AuthorsCrouch, V.
Range Extent20,000-2,500,000 square km (about 8000-1,000,000 square miles)
Number of Occurrences81 to >300
Rank Reasons
Probably >100 EOs, though there could be fewer; range about 500 mi. along the Appalachians, distribution somewhat scattered; threats, fragility not known.
Range Extent Comments
Called a Southern Appalachian species by Core; mtns of NC, Oconee Co. SC, sw VA, n GA, TN, WV, n to south-central PA.
Occurrences Comments
Somewhere in the 50 - 150 range. 18 counties in NC, 16 in all other states.
Ecology & Habitat

Habitat

Damp slopes, rocks in streams, cliffs in seepage areas, pond margins and rich woods in the mountains.
Other Nations (1)
United StatesNNR
ProvinceRankNative
GeorgiaSNRYes
South CarolinaS3Yes
KentuckyS1Yes
VirginiaS3Yes
West VirginiaS4Yes
MarylandS3Yes
North CarolinaS3Yes
PennsylvaniaS1Yes
TennesseeSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (51)
Georgia (6)
AreaForestAcres
Boggs CreekChattahoochee National Forest2,073
Ellicott Rock AdditionChattahoochee National Forest690
Helton CreekChattahoochee National Forest2,348
Joe GapChattahoochee National Forest5,321
Sarah's CreekChattahoochee National Forest6,888
Tate BranchChattahoochee National Forest1,069
North Carolina (25)
AreaForestAcres
Balsam ConePisgah National Forest10,591
Barkers Creek (addition)Nantahala National Forest975
BearwallowPisgah National Forest4,113
Big Indian (addition)Nantahala National Forest1,155
Boteler PeakNantahala National Forest4,205
Cheoah BaldNantahala National Forest7,795
Chunky Gal (addition)Nantahala National Forest3,336
Craggy MountainPisgah National Forest2,657
Dobson KnobPisgah National Forest6,111
Graveyard Ridge (addition)Pisgah National Forest1,958
Harper CreekPisgah National Forest7,325
Jarrett CreekPisgah National Forest7,485
Laurel MountainPisgah National Forest5,683
Little Indian (addition)Nantahala National Forest640
Lost CovePisgah National Forest5,944
Mackey MountainPisgah National Forest5,934
Middle Prong AdditionPisgah National Forest1,852
Overflow CreekNantahala National Forest3,379
Sam Knob (addition)Pisgah National Forest2,576
SnowbirdNantahala National Forest8,489
South Mills RiverPisgah National Forest8,588
Tusquitee BaldNantahala National Forest13,670
Wesser BaldNantahala National Forest4,061
Wilson CreekPisgah National Forest4,863
Woods MountainPisgah National Forest9,602
South Carolina (3)
AreaForestAcres
Bee CoveSumter National Forest3,025
Big MountainSumter National Forest2,337
Ellicott Rock 2Sumter National Forest517
Tennessee (8)
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
Stone MountainCherokee National Forest5,367
Sycamore CreekCherokee National Forest6,984
Upper Bald RiverCherokee National Forest9,202
Virginia (4)
AreaForestAcres
Beaver Dam CreekJefferson National Forest1,135
Little Wilson Creek Addition BJefferson National Forest1,725
Raccoon BranchJefferson National Forest4,388
Seng MountainJefferson National Forest6,428
West Virginia (5)
AreaForestAcres
Canaan LoopMonongahela National Forest7,867
Cheat MountainMonongahela National Forest8,191
Cranberry AdditionMonongahela National Forest11,123
Dolly Sods Roaring PlainMonongahela National Forest13,392
Dry ForkMonongahela National Forest657
References (1)
  1. 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.