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Pallavicinia lyellii - Sphagnum sp. Nonvascular Vegetation | Southeastern Ecology Working Gro...
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Name: Pallavicinia lyellii - Sphagnum sp. Nonvascular Vegetation Reference: Southeastern Ecology Working Gro... Description: This vegetation is found where seepage occurs through acidic clays on saturated, vertical to near-vertical, shaded exposures along large creeks in the Coastal Plain. Related vegetation is reported from Weches/Recklaw geology (which may have calcareous tendencies) in Texas (R. Evans pers. comm.), and from the Ouachita Mountain Region of Arkansas. The wetter phase of this vegetation is dominated by Pallavicinia lyellii, Atrichum sp., Plagiomnium sp., Sphagnum sp., and other unidentified liverworts and mosses. An often evident zonation has the Sphagnum more prevalent near to the exposed top of the bank, and the Pallavicinia occupying the lower, more heavily shaded portion. Herbaceous vascular plants are scattered but not dominant; they include Symphyotrichum lateriflorum (= Aster lateriflorus), Poa autumnalis, Mitchella repens, Viola X primulifolia, Osmunda cinnamomea, and Woodwardia areolata. This vegetation occurs on cutbanks of large creeks. Shrubs often arch over the banks from above, shading them for much of the day. Individual occurrences may continue along several hundred m of stream length on banks which are about 5 m high. The adjacent drier phase may occur on banks which receive greater insolation, or where the soils are of coarser texture. These areas are dominated almost entirely by the same Sphagnum sp. which forms a component of the wetter phase. Related vegetation reported from Weches/Recklaw geology of Texas (R. Evans, pers. comm.) may actually represent a distinct association.  Accession Code: VB.CC.20190.PALLAVICINIALYE Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 01-Sep-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Sphagnum spp. - Pallavicinia lyellii Saturated Nonvascular Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Pallavicinia - Peatmoss species Nonvascular Vegetation   UID: ELEMENT_GLOBAL.2.684249 NatureServe Explorer   Code: CEGL004779   Scientific: Pallavicinia lyellii - Sphagnum sp. Nonvascular Vegetation   Common: Mossy Coastal Plain Streamwall Vegetation (convergence) and Synonyms: (undetermined) Pallavicinia lyellii - Sphagnum sp. Nonvascular Vegetation