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Polygonum spp. - Mixed Forbs Herbaceous Vegetation | Midwestern Ecology Working Group...
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Name: Polygonum spp. - Mixed Forbs Herbaceous Vegetation Reference: Midwestern Ecology Working Group... Description: This ephemeral pond community type occurs widely throughout the midwestern region of the United States. Stands occur in shallow depressions that may flood for several weeks in the spring, but draw down by early summer. These basins may be kettles in glacial deposits, low spots in outwash plains, or depressions in floodplains. A wide variety of forbs and graminoids may colonize the exposed substrate. Species include Bidens spp., Cyperus spp., Echinochloa crus-galli, and Polygonum spp. In Missouri Polygonum hydropiperoides is common. In sand ponds in central Illinois, annuals were the most common species, including some of the major dominants, such as Schoenoplectus hallii (= Scirpus hallii), Ammannia coccinea, and various Polygonum spp. (including Polygonum hydropiperoides, Polygonum lapathifolium, Polygonum pensylvanicum, and Polygonum persicaria). Dominant perennials include Typha latifolia, Typha angustifolia, Schoenoplectus tabernaemontani (= Scirpus tabernaemontani), and Polygonum amphibium). Rare species found in these sand ponds include Boltonia decurrens and Schoenoplectus hallii (= Scirpus hallii). These ponds are of high importance to certain amphibians and invertebrates.  Accession Code: VB.CC.20910.POLYGONUMSPPMIX 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: Polygonum spp. (section Persicaria) Seasonally Flooded Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Smartweed species - Mixed Forbs Herbaceous Vegetation   Scientific: Polygonum spp. - Mixed Forbs Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.685564 NatureServe Explorer   Common: Midwest Ephemeral Pond   Code: CEGL002430 (convergence) and Synonyms: (undetermined) Polygonum spp. - Mixed Forbs Herbaceous Vegetation