Print Report

CEGL002308 Central Midwest-Interior Limestone - Dolostone Talus Vegetation

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Central Midwest-Interior Limestone - Dolostone Talus Vegetation

Colloquial Name: Central Midwest-Interior Limestone - Dolostone Talus

Hierarchy Level:  Association

Type Concept: This limestone - dolostone talus community is found throughout the central midwestern and Ozark regions of the United States, and localized areas in southern Ontario, Canada. Stands occur at the bases of steep cliffs along larger streams or rivers, or strongly dissected valleys. Aspect is variable, and moisture could be moist or dry. Soils are generally absent. Parent material could be limestone or dolostone with a mixture of rock fragments and large boulders. The vegetation is generally sparse but may vary depending on degree of slope, exposure (open versus shaded), and rock type. The composition of the type may be heavily influenced by adjacent forested stands. In Missouri, characteristic species include the ferns Adiantum pedatum, Diplazium pycnocarpon, Asplenium rhizophyllum, and Cystopteris bulbifera. Other herbaceous species include Aralia nudicaulis, Impatiens capensis, Pilea pumila, Polymnia canadensis, and Physalis missouriensis. Scattered woody plants include Hydrangea arborescens and Staphylea trifolia. In Ontario open talus stands contain Adiantum pedatum, Ageratina altissima, Geranium robertianum, Impatiens capensis, Poa pratensis, and Toxicodendron radicans.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: This type has not been described across its range, with the exception of Missouri (Nelson 1985) and somewhat in Ontario (Lee et al. 1998). Further study is needed to characterize the type. It may be very localized. Rare snails may also be found. The type is especially notable at the base of limestone and dolostone cliffs of the Niagara Escarpment, e.g. in eastern Wisconsin on the Door Peninsula (E. Epstein pers. comm. 1999).

Similar NVC Types: No Data Available
note: No Data Available

Physiognomy and Structure: No Data Available

Floristics: The vegetation is generally sparse, but may vary depending on degree of slope, exposure (open versus shaded) and rock type. The composition of the type may be heavily influenced by adjacent forested stands. In Missouri, characteristic species include the ferns Adiantum pedatum, Diplazium pycnocarpon (= Athyrium pycnocarpon), Asplenium rhizophyllum (= Camptosorus rhizophyllus), and Cystopteris bulbifera. Other herbaceous species include Aralia nudicaulis, Impatiens capensis, Pilea pumila, Polymnia canadensis, and Physalis missouriensis. Scattered woody plants include Hydrangea arborescens and Staphylea trifolia (Nelson 1985). In Ontario open talus stands contain Adiantum pedatum, Ageratina altissima (= Eupatorium rugosum), Geranium robertianum, Impatiens capensis, Poa pratensis, and Toxicodendron radicans (Lee et al. 1998).

Dynamics:  Cliff weathering causes rock debris to fall and accumulate at the base of the cliff.

Environmental Description:  Stands occur at the bases of steep cliffs along larger streams or rivers, or strongly dissected valleys. Aspect is variable, and moisture could be moist or dry. Soils are generally absent. Parent material could be limestone or dolostone with a mixture of rock fragments and large boulders. The vegetation is generally sparse, but may vary depending on degree of slope, exposure (open versus shaded) and rock type (Nelson 1985).

Geographic Range: This limestone - dolostone talus community is found throughout the northeastern, central midwestern and Ozark regions of the United States, as well as localized areas in adjacent Canada, extending from Vermont west through extreme southern Ontario to central Minnesota, south to southeastern Oklahoma, Arkansas, and east to Illinois.

Nations: CA,US

States/Provinces:  AR, IA, IL, MI, MN, MO, OK, ON, WI




Confidence Level: Low - Poorly Documented

Confidence Level Comments: No Data Available

Grank: G4G5

Greasons: No Data Available


Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Limestone - Dolostone Talus Sparse Vegetation (Faber-Langendoen 2001) [Limestone Talus]

Concept Author(s): D. Faber-Langendoen (2001)

Author of Description: D. Faber-Langendoen

Acknowledgements: No Data Available

Version Date: 02-27-17

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