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Saxifraga michauxii - Cheilanthes lanosa - Hylotelephium telephioides Grassland
Translated Name: Michaux's Saxifrage - Hairy Lipfern - Allegheny Stonecrop Grassland
Common Name: Low-Elevation Rocky Summit (Basic Type)
Unique Identifier: CEGL004989
Classification Approach: International Vegetation Classification (IVC)
Summary: This association is the basic equivalent of more acidic Saxifraga michauxii Meadow (CEGL004524) that covers examples on mafic or basic metasedimentary rocks (or felsic rocks influenced by base-rich seepage), containing plants that prefer higher pH conditions. The Basic Type is distinguished from the Acidic Type by the presence of plants such as Cheilanthes lanosa, Hylotelephium telephioides (= Sedum telephioides), Aquilegia canadensis, and Pycnanthemum incanum.



Classification

Classification Confidence: Low - Poorly Documented
Classification Comments: Formerly treated as a North Carolina state nonstandard type. North Carolina recognizes a Low Elevation Rocky Summit (Basic Subtype), a variant found on mafic or basic metasedimentary rocks or felsic rocks influenced by base-rich seepage, containing plants that prefer higher pH conditions. It was formerly provisionally classified as a state nonstandard type, Saxifraga michauxii - Cheilanthes lanosa - Hylotelephium telephioides Grassland (CEGL004989).

Vegetation Hierarchy
Class 2 - Shrub & Herb Vegetation
Subclass 2.B - Temperate & Boreal Grassland & Shrubland
Formation 2.B.2 - Temperate Grassland & Shrubland
Division 2.B.2.Nc - Eastern North American Grassland & Shrubland
Macrogroup Appalachian Rocky Felsic & Mafic Scrub & Grassland
Group Central & Southern Appalachian Rocky Outcrop
Alliance Appalachian Michaux's Saxifrage - Wretched Sedge - Little Bluestem Rocky Grassland

This is the revised vegetation hierarchy. For more information see Classification Sources and usnvc.org.

Similar Associations
Unique Identifier Name
CEGL004524 Saxifraga michauxii Meadow



Related Concepts from Other Classifications

Related Subnational Community Units
These data are subject to substantial ongoing revision and may be out of date for some states.
In the U.S., contact the state Heritage Program for the most complete and up-to-date information at: http://www.natureserve.org/natureserve-network.
Information from programs in other jurisdictions will be posted when they are made available.
Subnation Concept Name Relationship to Standard Confidence Reference
North Carolina Low Elevation Rocky Summit (Basic Subtype) Equivalent Certain Schafale 2012


Other Related Concepts
Related Concept Name: Low Elevation Rocky Summit (Basic Subtype)
Relationship: = - Equivalent
Reference: Schafale, M. 1998b. Fourth approximation guide. High mountain communities. March 1998 draft. North Carolina Natural Heritage Program, Raleigh.
Related Concept Name: Low Elevation Rocky Summit, Basic Variant
Relationship: B - Broader
Reference: Schafale, M. P., and A. S. Weakley. 1990. Classification of the natural communities of North Carolina. Third approximation. North Carolina Department of Environment, Health, and Natural Resources, Division of Parks and Recreation, Natural Heritage Program, Raleigh. 325 pp.

Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES202.327 Southern Appalachian Rocky Summit


NatureServe Conservation Status
Global Status: G1 (30Apr1998)
Rounded Global Status: G1 - Critically Imperiled
Reasons: There are very few documented Element Occurrences.

Distribution
Color legend for Distribution Map
United States Distribution: GApotentially occurs, NC, SCpotentially occurs
Global Distribution: United States

U.S. Forest Service Ecoregions
Domain Name: Humid Temperate Domain
Division Name: Subtropical Division
Province Name: Southeastern Mixed Forest Province
Province Code: 231 Occurrence Status: Confident or certain
Section Name: Southern Appalachian Piedmont Section
Section Code: 231A Occurrence Status: Confident or certain
Division Name: Hot Continental Regime Mountains
Province Name: Central Appalachian Broadleaf Forest - Coniferous Forest - Meadow Province
Province Code: M221 Occurrence Status: Confident or certain
Section Name: Blue Ridge Mountains Section
Section Code: M221D Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: Saxifraga michauxii is a characteristic component in stands of this and several related associations. In addition, the presence of species such as Cheilanthes lanosa, Hylotelephium telephioides (= Sedum telephioides), Aquilegia canadensis, and Pycnanthemum incanum, which prefer higher pH conditions, distinguish it from the Acidic Type.


Environmental Setting

Wetland Indicator: N


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): M.P. Schafale
Element Description Edition Date: 07Apr1998
Element Description Author(s): M.P. Schafale
NatureServe Conservation Status Factors Edition Date: 20Oct2003
NatureServe Conservation Status Factors Author(s): M. Pyne

Ecological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).


References
  • Schafale, M. 1998b. Fourth approximation guide. High mountain communities. March 1998 draft. North Carolina Natural Heritage Program, Raleigh.

  • Schafale, M. P. 2012. Classification of the natural communities of North Carolina, 4th Approximation. North Carolina Department of Environment, Health, and Natural Resources, Division of Parks and Recreation, Natural Heritage Program, Raleigh.

  • Schafale, M. P., and A. S. Weakley. 1990. Classification of the natural communities of North Carolina. Third approximation. North Carolina Department of Environment, Health, and Natural Resources, Division of Parks and Recreation, Natural Heritage Program, Raleigh. 325 pp.

  • Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.


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Data last updated: November 2016