Sumter National Forest Final Report - NatureServe

are common on occurrences on mafic rock include Carya carolinae-septentrionalis, Fraxinus americana, Vaccinium arboreum,Viburnum rufidulum, and Cercis canadensis var. canadensis.Related Concepts:• Dry Oak--Hickory Forest, Dry Pine Variant (Schafale and Weakley 1990) ?• IA6a. Dry Shortleaf Pine - Oak - Hickory Forest (Allard 1990) I• Shortleaf Pine - Oak: 76 (Eyre 1980) I• Shortleaf Pine: 75 (Eyre 1980) I• T2B3aI1a. Pinus echinata - Quercus stellata - Quercus marilandica (Foti et al. 1994) ?• Xeric Shortleaf Pine - Oak Woodland (Foti 1994b) ?Classification Comments: Develop historic type for Louisiana and elsewhere. In Louisiana, this vegetation only occurs as Pinusechinata stands with Quercus spp. coming in because of lack of fire. In South Carolina, this vegetation is known from the BlueRidge/Piedmont transition but is all but extirpated. According to Tom Foti, this alliance occurred in the Coastal Plain of Arkansas, atleast historically.ALLIANCE DISTRIBUTIONRange: Vegetation in this alliance occurs in the Piedmont, Southern Blue Ridge, Southern Ridge and Valley, Ozarks, and OuachitaMountains. It may possibly range into the Cumberland Plateau. It is found in southern Missouri, Arkansas, Georgia, Louisiana, NorthCarolina, Oklahoma, Tennessee, and possibly in Alabama (?), Kentucky (?) and West Virginia (?).Subnations: AL, AR, GA, KY?, MO, NC, OK, TN, TX, VA, WV?TNC Ecoregions: 38:C, 39:C, 50:C, 51:C, 52:C, 59:CUSFS Ecoregions: 221Jb:???, 222Ab:CCC, 222Ag:CCC, 222Am:CC?, 222An:CCC, 231Ad:CCC, 231Ag:CCP, 231D:CC,231Ea:CC?, 231Eh:CCC, 231Ej:CCP, 231Gb:CCC, 232Ad:CCC, 232Fb:CCC, 234Ab:PPP, M221Ce:CCC, M221Dc:CCP,M221Dd:CCC, M222Aa:CCC, M222Ab:CCC, M231Aa:CCP, M231Ab:CCC, M231Ac:CCPFederal Lands: NPS (Little River Canyon?); USFS (Chattahoochee, Daniel Boone?, Jefferson, Ouachita, Ozark, Sumter, Uwharrie)ALLIANCE SOURCESReferences: Allard 1990, Eyre 1980, Faber-Langendoen et al. 1996, Foti 1994b, Foti et al. 1994, Hoagland 1997, NatureServe n.d.,Schafale and Weakley 1990III. ShrublandIII.A.2.N.b. Hemi-sclerophyllous temperate broad-leaved evergreen shrublandIII.A.2.N.B. RHODODENDRON MAXIMUM SHRUBLAND ALLIANCE (A.745)GREAT RHODODENDRON SHRUBLAND ALLIANCEALLIANCE CONCEPTSummary: This alliance includes riparian shrublands and shrub thickets of mesic slopes dominated by Rhododendron maximum,without a significant tree canopy. Rhododendron maximum-dominated shrublands are less frequently found on more xeric ridges andsideslopes, on sites which have been subjected to extreme crown fires. Shrublands in this alliance are typically tall (over 2 m) andoccur over acidic soils. These shrublands can occur as the result of disturbance and will succeed to forest with an ericaceousunderstory without some form of disturbance. Rhododendron maximum shrublands frequently occur adjacent to wet herbaceous cliffvegetation, wetland riparian shrublands, or within forests dominated by Tsuga canadensis, Quercus rubra, Liriodendron tulipifera,Pinus strobus, Quercus prinus, Picea rubens, or Abies fraseri.Related Concepts:• Rhododendron maximum/Acidophil Herbs (McLeod 1981) ?• IC4b. Montane Rhododendron Thicket (Allard 1990) ? Rhododendron Thicket (Nelson 1986) ?• Rhododendron-Mountain Laurel/Xeric Herbs (McLeod 1981) ?• Submesotrophic Scrub (Rawinski 1992) ?Classification Comments: Shrublands in this alliance may have scattered woody species that are greater than 5 m tall but withgenerally less than 10% total cover. Some of what were thought to be examples of this vegetation type are actually Rhododendronstands under a canopy of evergreen and/or deciduous trees.ALLIANCE DISTRIBUTIONRange: Shrublands in this alliance occur in the Appalachian Mountains, Ridge and Valley, Appalachian Plateaus, and CumberlandMountains. This alliance is found in Georgia, North Carolina, South Carolina, Tennessee, and West Virginia, and possibly Virginia(?).Subnations: GA, NC, SC, TN, VA?, WVTNC Ecoregions: 49:P, 51:CVegetation of Sumter National Forest April 30 2004Copyright © 2004 NatureServe26