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CEGL004988 Cystopteris bulbifera / Dumortiera hirsuta Sinkhole Wall Cliff Sparse Vegetation
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Bulblet Bladderfern / Dumortiera Sinkhole Wall Cliff Sparse Vegetation
Colloquial Name: Southern Appalachian Limestone Sinkhole
Hierarchy Level: Association
Type Concept: This association is variable in composition, but is normally dominated by Cystopteris bulbifera and the liverwort Dumortiera hirsuta. This association is the characteristic habitat for Asplenium scolopendrium var. americanum in the southeastern United States. It occurs on vertical and near-vertical slopes of vertical-shaft limestone sinkholes in northern Alabama and southern Tennessee.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This association is restricted to a small number of vertical shaft sinkholes in northern Alabama and southern Tennessee. Occurrences are few and small. They are threatened by recreational use. Further information is needed on this association and its variation.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: This association is variable in composition, but is normally dominated by Cystopteris bulbifera and the liverwort Dumortiera hirsuta. This association is the characteristic habitat for Asplenium scolopendrium var. americanum (= Phyllitis scolopendrium) in the southeastern United States.
Dynamics: No Data Available
Environmental Description: This association occurs on vertical and near-vertical slopes of vertical-shaft limestone sinkholes in northern Alabama and southern Tennessee.
Geographic Range: This association occurs in northern Alabama and southern Tennessee.
Nations: US
States/Provinces: AL, TN
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.684788
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G1
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.c Appalachian Cliff & Rock Vegetation Group | G840 | 6.B.1.Na.1.c |
| Alliance | A2076 Purple Cliffbrake - Bulblet Bladderfern Appalachian Circumneutral Cliff Alliance | A2076 | 6.B.1.Na.1.c |
| Association | CEGL004988 Bulblet Bladderfern / Dumortiera Sinkhole Wall Cliff Sparse Vegetation | CEGL004988 | 6.B.1.Na.1.c |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: No Data Available
- Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.