Sumter National Forest Final Report - NatureServe

the associated species. More Appalachian examples may contain Orontium aquaticum as a codominant. In parts of the Ridge andValley and Piedmont, Hymenocallis caroliniana (= Hymenocallis coronaria) is codominant. In the Edwards Plateau of central Texas,associated with Justicia americana are Bacopa monnieri, Fuirena simplex, Eleocharis geniculata (= Eleocharis caribaea), Eleocharismontevidensis, and Cyperus spp.Related Concepts:• Justicia americana herbaceous alliance (Hoagland 2000) ?• IIE3a. Riverside Shoal and Stream Bar Complex (Allard 1990) I Rocky Bar and Shore (Schafale and Weakley 1990) I• Shoal and Stream Bar (Nelson 1986) I• Water-willow (Justicia americana) - smart-weed riverbed community (Fike 1999) ?Classification Comments: NoneALLIANCE DISTRIBUTIONRange: This alliance is distributed in the Edwards Plateau of Texas, Ozark Highlands, Boston Mountains, Ouachita Mountains,Interior Low Plateau, Cumberland Plateau, Piedmont, and Arkansas Valley. It is found in Ohio, Alabama, Arkansas, Georgia, NorthCarolina, Oklahoma, South Carolina, Tennessee, Texas, and possibly Virginia (?).Subnations: AL, AR, GA, KY, MD?, NC, OH, OK, PA, SC, TN, TX, VA?, WVTNC Ecoregions: 29:C, 38:C, 39:C, 43:C, 44:C, 45:C, 48:C, 49:C, 50:C, 51:C, 52:C, 59:C, 60:C, 61:CUSFS Ecoregions: 212Fa:CCP, 212Fb:CCC, 212Ga:CCP, 212Gb:CCP, 221Am:CCP, 221Ba:CCC, 221Bd:CCC, 221Da:CCC,221Db:CCC, 221Ec:CCC, 221Ed:CCP, 221Ef:CCP, 221Ha:CCC, 221Hb:CCC, 221Hc:CCC, 221He:CCC, 222Ab:CCC, 222Ag:CCC,222Ah:CCC, 222An:CCC, 222Eb:CCC, 222Eg:CCC, 222Ej:CCP, 222En:CCC, 222Eo:CCC, 222Ha:CCC, 231Af:CCC, 231B:CC,231Cd:CCC, 231Dc:CCC, 231Ga:CCC, 231Gb:CCC, 231Gc:CCC, 315D:CC, 321B:PP, M221Aa:CCC, M221Ac:CCC,M221Ad:CCC, M221Bb:CCC, M221Bd:CCC, M221Be:CCC, M221Bf:CCC, M221Cd:CCC, M221Da:CCC, M221Dc:CCC,M222Aa:CCC, M222Ab:CCC, M231Aa:CCC, M231Ab:CCC, M231Ac:CCC, M231Ad:CCCFederal Lands: NPS (Little River Canyon?, Natchez Trace, Stones River); USFS (Bankhead, Cherokee, Daniel Boone, Oconee?,Ouachita, Ozark, Pisgah, Sumter, Uwharrie); USFWS (Cahaba River)ALLIANCE SOURCESReferences: Allard 1990, Faber-Langendoen et al. 1996, Fike 1999, Foti et al. 1994, Hoagland 2000, Nelson 1986, Schafale andWeakley 1990, Schmalzer and DeSelm 1982V.B.2.N.f. Saturated temperate perennial forb vegetationV.B.2.N.F. VITTARIA APPALACHIANA - HEUCHERA PARVIFLORA SATURATED HERBACEOUSALLIANCE (A.1696)APPALACHIAN SHOESTRING FERN - CAVE ALUMROOT SATURATED HERBACEOUSALLIANCEALLIANCE CONCEPTSummary: This alliance accommodates saturated communities associated with overhanging to vertical rocks and a seasonal toperennial waterfall as a source of aqueous aerosol. One association includes sparse to moderately dense vegetation of sandstonerockhouses in portions of the Cumberland Plateau, where seasonal waterfalls and strongly overhanging erosion features calledrockhouses provide moist conditions. Vittaria appalachiana and Heuchera parviflora are dominant and characteristic. Endemics suchas Ageratina luciae-brauniae and Solidago albopilosa are associated with the floors of the rockhouses and often dominate thevegetative cover, and the endemic Minuartia cumberlandensis also sometimes occupies the floor but is more characteristic ofsomewhat drier sandstone exposures. Thalictrum mirabile is also endemic to this community but is more characteristic of seepages onthe rockhouse walls. In the Southern Blue Ridge escarpment region, this alliance includes herbaceous vegetation on rock substratesassociated with waterfalls, on nearly vertical rock surfaces and ledges, slopes, and crevices with shallow soils which are constantlysaturated. Other characteristic species include Huperzia porophila, Asplenium montanum, Asplenium trichomanes ssp. trichomanes,Asplenium monanthes, Cystopteris protrusa, Polypodium virginianum, Trichomanes boschianum, Grammitis nimbata (=Micropolypodium nimbatum), Hymenophyllum tayloriae, Trichomanes intricatum, Phegopteris connectilis, Adiantum pedatum,Saxifraga careyana, Saxifraga caroliniana, Impatiens capensis, Hydrocotyle americana, Thalictrum spp., Oxalis montana, Carexbiltmoreana, Galax urceolata, Sphagnum quinquefarium, Sphagnum girgensohnii, Plagiomnium carolinianum, Plagiomnium affine,Mnium marginatum, Pseudotaxiphyllum distichaceum, Bryocrumia vivicolor, Thamnobryum alleghaniense, Oncophorus raui,Hyophila involuta, Dichodontium pellucidum, Plagiochila sharpii ssp. sharpii, Plagiochila caduciloba, Plagiochila sullivantii,Plagiochila austini, Fissidens osmundioides, Bazzania denudata, Conocephalum conicum, Pellia epiphylla, Pellia neesiana, andRiccardia multifida.Related Concepts:• Cumberland Plateau sandstone glade (Evans 1991) I• IID5a. Wet Acidic Cliff (Allard 1990) I• Moist sandstone cliff (Evans 1991) I• Spray Cliff (Nelson 1986) IVegetation of Sumter National Forest April 30 200431Copyright © 2004 NatureServe