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CEGL005010 Acer saccharum - Quercus muehlenbergii Forest

Type Concept Sentence: No Data Available


Common (Translated Scientific) Name: Sugar Maple - Chinquapin Oak Forest

Colloquial Name: Sugar Maple - Chinquapin Oak Forest

Hierarchy Level:  Association

Type Concept: This dry-mesic forest community is found in the northeastern seaboard to the central United States and Canada on calcareous substrates. Stands occur on upper slopes or summits of limestone or marble ridges with dry soils. Limestone outcrops or boulders are often present. The tree canopy is typically dominated by Quercus muehlenbergii, the diagnostic species, and Acer saccharum, although relative percents vary widely. Oaks in general comprise at least 50% of the stand and sugar maple at least 20%. Other oak associates include Quercus alba, Quercus rubra, and, locally, Quercus shumardii. Other hardwoods include Carya ovata, Celtis occidentalis, Fraxinus americana, Fraxinus quadrangulata, and Tilia americana. Betula spp., Pinus strobus, and Prunus serotina are occasional. Shrub and small tree species include Amelanchier sanguinea, Carpinus caroliniana, Cercis canadensis, Cornus alternifolia, Cornus florida, Cornus racemosa, Diervilla lonicera, Hamamelis virginiana, Hydrangea arborescens, Lindera benzoin, Ostrya virginiana, Ribes americanum, Staphylea trifolia, Viburnum prunifolium, and Zanthoxylum americanum. Sparse to well-developed herb layer includes Asclepias quadrifolia, Carex eburnea, Carex platyphylla, Clematis occidentalis, Packera obovata, Phryma leptostachya, Sanicula marilandica, Saxifraga virginiensis, Arabis laevigata, and Triosteum aurantiacum, among many others. This type is not well described across its range; often grades into woodland. Similar types include ~Acer saccharum - Quercus muehlenbergii / Cercis canadensis Forest (CEGL006017)$$ in unglaciated areas to the south.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: Anderson (1996) provides further references for Ohio. He notes that it occurs mainly in northern Ohio, where it is primarily a calcareous substrate type but can also represent a transition from oak stands around prairies to beech - maple forests. In Illinois, this type may have occurred as a mesic sand forest subtype, e.g., around Peoria, where both sugar maple and chinquapin oak are noted in the General Land Office (presettlement) Survey notes. Stands on thin soil over dolomite may overlap with limestone woodlands (e.g., in New York ~Quercus alba - Quercus macrocarpa / Andropogon gerardii Wooded Grassland (CEGL005121)$$). ~Acer saccharum - Quercus muehlenbergii / Cercis canadensis Forest (CEGL006017)$$ is a related type found in unglaciated areas to the south of this type.

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

Physiognomy and Structure: No Data Available

Floristics: The tree canopy is typically dominated by Quercus muehlenbergii, the diagnostic species, and Acer saccharum, although relative percents vary widely. Oaks in general comprise at least 50% of the stand and sugar maple at least 20%. Other oak associates include Quercus alba, Quercus rubra, and, locally, Quercus shumardii. Other hardwoods include Carya ovata, Celtis occidentalis, Fraxinus americana, Fraxinus quadrangulata, and Tilia americana. Betula spp., Pinus strobus, and Prunus serotina are occasional. Shrub and small tree species include Amelanchier sanguinea, Carpinus caroliniana, Cercis canadensis, Cornus alternifolia, Cornus florida, Cornus racemosa, Diervilla lonicera, Hamamelis virginiana, Hydrangea arborescens, Lindera benzoin, Ostrya virginiana, Ribes americanum, Staphylea trifolia, Viburnum prunifolium, and Zanthoxylum americanum. Sparse to well-developed herb layer includes Asclepias quadrifolia, Carex eburnea, Carex platyphylla, Clematis occidentalis (= Clematis verticillaris), Packera obovata (= Senecio obovatus), Phryma leptostachya, Sanicula marilandica, Saxifraga virginiensis, Arabis laevigata, and Triosteum aurantiacum, among many others.

Dynamics:  No Data Available

Environmental Description:  Stands occur on upper slopes or summits of limestone or marble ridges with thin, dry soils. Limestone outcrops, boulders, or talus are often present.

Geographic Range: This dry-mesic forest community is found in the north-central United States and adjacent Canada on calcareous substrates.

Nations: CA,US

States/Provinces:  NY, OH, ON




Confidence Level: Low - Poorly Documented

Confidence Level Comments: No Data Available

Grank: GNR

Greasons: No Data Available


Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available

Synonomy: = Acer saccharum - Quercus muehlenbergii Forest (Faber-Langendoen 2001)
? Yellow oak-sugar maple calcareous forest (CAP pers. comm. 1998)

Concept Author(s): D. Faber-Langendoen

Author of Description: D. Faber-Langendoen, L. Sneddon and S.L. Neid

Acknowledgements: No Data Available

Version Date: 01-18-08

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  • ONHIC [Ontario Natural Heritage Information Centre]. 2018. Unpublished data. Ontario Natural Heritage Information Centre, Ministry of Natural Resources, Ontario, Canada.
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