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Thuja occidentalis Limestone Bedrock Woodland | NatureServe Biotics 2019
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Name: Thuja occidentalis Limestone Bedrock Woodland
Reference: NatureServe Biotics 2019
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 &gt;90%, and varies from pure evergreen to mixed evergreen-deciduous. <i>Picea glauca</i> and <i>Thuja occidentalis</i> dominate the overstory in the pure evergreen phase, but <i>Pinus strobus</i> (emergent) and <i>Tsuga canadensis</i> can also be found in the mixed phase, along with deciduous species, such as <i>Acer saccharum, Quercus rubra</i>, and <i>Ostrya virginiana</i>. The shrub layer is sparse. Herbaceous cover is generally sparse in the evergreen phase, containing wide-ranging forbs, such as <i>Maianthemum canadense</i>, but is more diverse in the mixed phase. 
Accession Code: urn:lsid:vegbank.org:commConcept:33816-{F66B7F3B-B785-45B0-8B3A-44EF6435F826}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 06-Aug-1998 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.685813 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005050
  Translated: Northern White-cedar Limestone Bedrock Woodland
  Common: Northern White-cedar Limestone Bedrock Woodland
  Scientific: Thuja occidentalis Limestone Bedrock Woodland
(convergence) and Synonyms:
(similar) Thuja occidentalis Limestone Bedrock Woodland
(similar) Thuja occidentalis Limestone Bedrock Woodland
(similar) CEGL005050