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G842 Southeast Coastal Plain Cliff & Rock Vegetation Group
Type Concept Sentence: This group is broadly defined, primarily by its vertical location, occurring on the Southeastern Coastal Plain and Piedmont. Structure and composition of the vegetation are highly variable, and substrate is generally unconsolidated sediments on river bluffs, but also includes vegetation of sinkhole walls.
Common (Translated Scientific) Name: Southeast Coastal Plain Cliff & Rock Vegetation Group
Colloquial Name: Southeast Coastal Plain Cliff & Rock Vegetation
Hierarchy Level: Group
Type Concept: This group is broadly defined, primarily by its vertical location, occurring on the Southeastern Coastal Plain and Piedmont. Structure and composition of the vegetation are highly variable, and substrate is generally unconsolidated sediments on river bluffs, but also includes vegetation of sinkhole walls. Vegetation is widely variable, but usually characterized by abundant bryophytes. Adiantum tenerum is characteristic on limestone sinkhole walls; Mitchella repens, Osmunda cinnamomea, Symphyotrichum lateriflorum, and Woodwardia areolata occur on non-limestone substrates.
Diagnostic Characteristics: River bluffs and cliffs of the Southeastern Coastal Plain and Piedmont; also includes sinkhole walls in portions of the Coastal Plain; bryophyte layer generally well-developed.
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This group requires much additional data and analysis to classify with confidence.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: Vegetation varies widely in both structure and composition. Vegetation may be herbaceous of variable cover, with or without scattered trees and shrubs, to entirely nonvascular cover.
Floristics: Vegetation is widely variable, but usually characterized by abundant bryophytes. Adiantum tenerum is characteristic on limestone sinkhole walls; Mitchella repens, Osmunda cinnamomea, Symphyotrichum lateriflorum, and Woodwardia areolata occur on non-limestone substrates.
Dynamics: No Data Available
Environmental Description: This vegetation is found where seepage occurs through acidic clays on saturated, vertical to near-vertical, shaded exposures along large creeks and river bluffs, as well as on shaded sinkhole walls and slopes. Non-limestone substrates may include various felsic igneous or metamorphic rocks, acidic saprolite, and occasionally unconsolidated acidic sediments.
Geographic Range: This alliance occurs on the Southeastern Coastal Plain and portions of the Piedmont.
Nations: US
States/Provinces: AL?, AR?, FL, GA, LA?, MS, NC, SC, TX, VA?
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.959134
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 6 Open Rock Vegetation Class | C06 | 6 |
| Subclass | 6.B Temperate & Boreal Open Rock Vegetation Subclass | S04 | 6.B |
| Formation | 6.B.1 Temperate & Boreal Cliff, Scree & Other Rock Vegetation Formation | F034 | 6.B.1 |
| Division | 6.B.1.Na Eastern North American Temperate Cliff, Scree & Rock Vegetation Division | D051 | 6.B.1.Na |
| Macrogroup | 6.B.1.Na.1 Shrubby Fivefingers - Rock Polypody / Cup Lichen species Eastern North American Cliff & Rock Vegetation Macrogroup | M111 | 6.B.1.Na.1 |
| Group | 6.B.1.Na.1.e Southeast Coastal Plain Cliff & Rock Vegetation Group | G842 | 6.B.1.Na.1.e |
| Alliance | A3996 Southeast Coastal Plain Cliff Alliance | A3996 | 6.B.1.Na.1.e |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: No Data Available
- Faber-Langendoen, D., J. Drake, S. Gawler, M. Hall, C. Josse, G. Kittel, S. Menard, C. Nordman, M. Pyne, M. Reid, L. Sneddon, K. Schulz, J. Teague, M. Russo, K. Snow, and P. Comer, editors. 2010-2019a. Divisions, Macrogroups and Groups for the Revised U.S. National Vegetation Classification. NatureServe, Arlington, VA. plus appendices. [in preparation]