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Name
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Reference
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Plots↓
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Description |
Comm #12641
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Clay Seeps Sparse Vegetation
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accession code: VB.CC.22016.CLAYSEEPSSPARSE
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Midwestern Ecology Working Group... |
0
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This type is found in the northern regions of the Great Lakes in the United States. Stands occur on toeslopes, where constant seepage creates saturated clay soils. Substrate is neither mucky not peaty. Stands are often shaded (up to 90% cover) by adjacent forest types, including Tsuga canadensis- and Acer saccharum-dominated stands. Trees rarely occur in the seepage zone itself, which can be as much as 30 m wide. Characteristic plants include Equisetum scirpoides (often dominant) and Impatiens pallida. Other species in northern Wisconsin include Cypripedium reginae, Cypripedium parviflorum, Equisetum arvense and, rarely, Parnassia palustris and Parnassia glauca. In southeastern Wisconsin, common species include Gentianopsis virgata (= Gentianopsis procera), Oligoneuron ohioense (= Solidago ohioensis), and Triantha glutinosa (= Tofieldia glutinosa). Other fen plants may also occur. Epipactis helleborine is a common exotic orchid. |
Comm #12642
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Clay Slopes Sparsely Vegetated Alliance
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accession code: VB.CC.22017.CLAYSLOPESSPARS
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Midwestern Ecology Working Group... |
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This is technically not an alliance. It is a placeholder for a group of sparsely vegetated associations that do not have adequate vegetation descriptions, but do share certain substrate characteristics. |
Comm #12643
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Asociación Baccharis papillosa - Poa kurtzii
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accession code: urn:lsid:vegbank.org:commConcept:36798-{75FC288A-AEE3-4E3A-86D5-D66A70C11764}
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NatureServe Biotics 2019 |
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3300-3900 m. Supratropical pluviestacional subhúmedo. Pajonal serial sobre suelos bien drenados que sustituye, a los bosques potenciales de <i>Polylepis subtusalbida</i> degradados y/o eliminados por acción humana. Combinación florística diferencial: <i>Baccharis papillosa, Deyeuxia filifolia, Festuca dolichophylla, Poa kurtzii</i> y <i>Stipa obtusa</i>. Principales áreas potenciales y/o actuales conocidas: Cocha-bamba, cordilleras del Tunari, Tiraque y Tres Cruces. |
Comm #12644
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Metrosideros polymorpha - Ilex anomala - Myrsine lessertiana Woodland
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accession code: VB.CC.31519.CEGL008158
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Western Ecology Working Group of... |
0
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Comm #12645
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Metrosideros polymorpha / Ehrharta stipoides Ruderal Woodland
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accession code: VB.CC.31518.CEGL008159
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Western Ecology Working Group of... |
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Comm #12646
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Myrica gale - Spiraea douglasii / Sphagnum spp. Shrubland
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accession code: VB.CC.33547.CEGL003420
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Western Ecology Working Group of... |
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This association is a shrub-dominated peatland (sphagnum bog or poor fen) that occurs around low-elevation lakes and very slowing-moving streams on the northwestern Olympic Peninsula of Washington and Vancouver Island, British Columbia It is saturated year-round and in some cases is seasonally flooded with minerotrophic water. Soils are sphagnum, fibrous and heath peat. The dense deciduous shrub layer is dominated by <i>Myrica gale</i> and codominated by <i>Spiraea douglasii</i>. The herbaceous layer is characterized by <i>Trientalis europaea ssp. arctica</i>, and is otherwise variable. The moss layer is dominated by <i>Sphagnum</i> spp., usually >40% cover. The combination of dominant <i>Myrica gale</i> and abundant <i>Spiraea douglasii</i> and <i>Sphagnum</i> is diagnostic. |
Comm #12647
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Picea sitchensis - Tsuga heterophylla / Rhododendron macrophyllum - Vaccinium ovatum Forest
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accession code: VB.CC.33108.CEGL002603
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Western Ecology Working Group of... |
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This association occurs along the Pacific coast between northern California and Tillamook Bay, Oregon. Stands of this association occur along the landward edge of the coastal dune sheet, where dunes have been stabilized for several hundred years and are remote from salt spray. In all cases, stands are contiguous with forest extending inland into the Coast Range. Mid to lower slopes and interdunal valleys are the most common locations, with all aspects represented. The association does not occur on tree islands, or in areas with more recent sand movement. The litter and humus layer varies from 1-6 inches deep, averaging 4 inches. The canopy is dominated by <i>Tsuga heterophylla, Pseudotsuga menziesii</i>, or <i>Picea sitchensis</i>. <i>Pseudotsuga menziesii</i> or <i>Picea sitchensis</i> may be entirely absent, but <i>Tsuga heterophylla</i> is always present with at least 5% cover. The canopy is moderately dense, with cover ranging from 30-95%, averaging 73%. Basal area is high, averaging 28.7 m2 per ha. <i>Pseudotsuga menziesii</i> up to 337 years old, and <i>Picea sitchensis</i> up to 633 years old, both obviously suppressed in the last 150 years, were recorded from this association. <i>Tsuga heterophylla</i> in the same plots ranged from 140-170 years old. Old-growth trees have broken tops and gnarly horizontal limbs, supporting large mats of <i>Polypodium scouleri</i> and the moss <i>Antitrichia curtipendula</i>. Conifer reproduction is sparse. The shrub layer is dominated by <i>Vaccinium ovatum, Rhododendron macrophyllum</i> and <i>Gaultheria shallon</i>, with cover ranging from 25-95%. averaging 83%. Shrub height averages 3 m. The herb layer is sparse. There are no similar, old-growth conifer forest associations found on stabilized dunes. The presence of <i>Rhododendron macrophyllum</i> as an understory dominant with mature <i>Tsuga heterophylla</i> trees on coastal dunes are characteristic. |
Comm #12648
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Carex hyalinolepis Seasonally Flooded Herbaceous Vegetation
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accession code: VB.CC.36082.CEGL004724
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Southeastern Ecology Working Gro... |
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This association is a seasonally flooded herbaceous wetland dominated by <i>Carex hyalinolepis</i>. Other species present (in small amounts) include <i>Rumex verticillatus, Ipomoea sagittata</i>, and <i>Cyperus</i> spp. This association occurs in seasonally flooded depressions in sea islands. The water is fresh, but receives salt water in hurricane events. |
Comm #12649
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CEGL008019
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accession code: VB.CC.7554.CEGL008019
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12650
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CEGL002324
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accession code: VB.CC.4824.CEGL002324
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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