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Thuja occidentalis Limestone Bedrock Woodland | Midwestern Ecology Working Group...
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Name: Thuja occidentalis Limestone Bedrock Woodland Reference: Midwestern Ecology Working Group... Description: This white-cedar pavement woodland community type is found in the lower and central Great Lakes regions of the United States and Canada. Stands occur on relatively flat, exposed limestone bedrock, often in association with alvars or limestone cliffs. Stands may be found on bedrock with as much as 1 m of soil. Canopy cover ranges from open to >90%, and varies from pure evergreen to mixed evergreen-deciduous. Picea glauca and Thuja occidentalis dominate the overstory in the pure evergreen phase, but Pinus strobus (emergent) and Tsuga canadensis can also be found in the mixed phase, along with deciduous species, such as Acer saccharum, Quercus rubra, and Ostrya virginiana. The shrub layer is sparse. Herbaceous cover is generally sparse in the evergreen phase, containing wide-ranging forbs, such as Maianthemum canadense, but is more diverse in the mixed phase.  Accession Code: VB.CC.20458.THUJAOCCIDENTAL Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Thuja occidentalis Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Northern White-cedar Limestone Bedrock Woodland   UID: ELEMENT_GLOBAL.2.685813 NatureServe Explorer   Code: CEGL005050   Scientific: Thuja occidentalis Limestone Bedrock Woodland   Common: White-cedar Limestone Bedrock Woodland (convergence) and Synonyms: (undetermined) Thuja occidentalis Limestone Bedrock Woodland