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Cephalanthus occidentalis / Carex spp. Midwest Shrub Swamp | NatureServe Biotics 2019
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Name: Cephalanthus occidentalis / Carex spp. Midwest Shrub Swamp Reference: NatureServe Biotics 2019 Description: This buttonbush swamp shrubland occurs throughout glaciated regions of the midwestern and northeastern United States and adjacent Canada. Stands occupy shallow water depressions, oxbow ponds, and backwater sloughs of stream and river floodplains. Inundation is usually continuous throughout the year, but these sites can become dry in mid or late summer or during periods of prolonged drought. Soils are deep (&gt;100 cm) consisting of peat or muck over alluvial parent material. The shrub layer can vary from very open to closed (20-80%). <i>Cephalanthus occidentalis</i> typically comprises nearly 90% of the shrub layer in waters 1-2 m deep. Other shrubs commonly encountered include <i>Cornus sericea, Decodon verticillatus, Ilex verticillata, Rosa palustris</i>, and <i>Salix nigra</i>. The herbaceous layer can be very sparse, due to flooding. Rooted or floating aquatics may dominate, including <i>Lemna minor</i> and <i>Nuphar advena</i>. Herbs present on the shallow margins include <i>Bidens frondosa, Boehmeria cylindrica, Carex lacustris, Glyceria striata</i>, and others. A scattered tree canopy may occur, including the following species: <i>Acer rubrum, Acer saccharinum, Fraxinus nigra, Fraxinus pennsylvanica</i>, and <i>Ulmus americana</i>. Diagnostic features include the dominance by <i>Cephalanthus occidentalis</i> in glaciated regions and, typically, the presence of standing water.  Accession Code: urn:lsid:vegbank.org:commConcept:31099-{60185166-F8CF-4302-9A8D-5566F3E855A7} Plot-observations of this Community Concept: 2
	Party Perspective according to: NatureServe (organization) Perspective from: 16-Jul-1998 to: ongoing
	status: accepted Community's Parent: Cornus sericea - Alnus incana - Cephalanthus occidentalis Midwest Shrub Swamp Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.686869 NatureServe Explorer   Code: CEGL002190   Translated: Common Buttonbush / Sedge species Midwest Shrub Swamp   Common: Midwest Buttonbush Shrub Swamp   Scientific: Cephalanthus occidentalis / Carex spp. Midwest Shrub Swamp (convergence) and Synonyms: (similar) Cephalanthus occidentalis / Carex spp. Northern Shrubland (similar) CEGL002190 (similar) Cephalanthus occidentalis / Carex spp. Northern Shrubland