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Acer saccharum - Liriodendron tulipifera / Galium concinnum - Carex laxiculmis Forest | NatureServe Biotics 2019
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Name: Acer saccharum - Liriodendron tulipifera / Galium concinnum - Carex laxiculmis Forest Reference: NatureServe Biotics 2019 Description: This association is currently known from the Ridge and Valley province of Maryland. It occupies well-drained floodplains of small to medium-sized streams in areas underlain by sandstone and shale. Flooding likely varies from infrequent and ephemeral to periodically significant, with a return interval of 1 to 3 years. Soil samples collected from plots varied from sandy clay loams to sandy loams, with significant gravel content and relatively low base status. The vegetation is a predominantly deciduous forest with mixed and variable overstory dominance by combinations of <i>Liriodendron tulipifera, Acer saccharum, Fraxinus americana, Quercus alba, Tilia americana</i>, and <i>Quercus rubra</i>. <i>Liriodendron tulipifera</i> is most constant in the overstory, while <i>Acer saccharum</i> is constant in various strata and has the highest mean cover across 8 plot samples. <i>Pinus strobus, Acer rubrum, Platanus occidentalis</i>, and <i>Magnolia acuminata</i> are relatively minor species that only occasionally approach 25% cover in an individual plot. <i>Lindera benzoin, Hamamelis virginiana</i>, and <i>Carpinus caroliniana</i> are the most constant understory species. The herb layer is moderately diverse, with <i>Eurybia divaricata, Polystichum acrostichoides, Cardamine concatenata, Claytonia virginica, Carex laxiculmis var. laxiculmis, Ageratina altissima, Maianthemum racemosum ssp. racemosum, Galium concinnum, Uvularia sessilifolia, Solidago caesia</i>, and <i>Carex digitalis</i> all occurring in &gt;75% of the plot samples. Species richness of 8 plot samples averaged 54 taxa per 400 m2.  Accession Code: urn:lsid:vegbank.org:commConcept:35111-{3B5C330B-8396-4628-8F4E-EF655664C07C} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 31-May-2007 to: ongoing
	status: accepted Community's Parent: Acer saccharum - Fagus grandifolia - Tilia americana Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.802059 NatureServe Explorer   Code: CEGL006473   Translated: Sugar Maple - Tuliptree / Shining Bedstraw - Spreading Sedge Forest   Common: Central Appalachian Ridge and Valley Floodplain Forest   Scientific: Acer saccharum - Liriodendron tulipifera / Galium concinnum - Carex laxiculmis Forest (convergence) and Synonyms: (similar) Acer saccharum - Liriodendron tulipifera / Galium concinnum - Carex laxiculmis Forest