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Carex spectabilis - Senecio triangularis Wet Meadow | NatureServe Biotics 2019
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Name: Carex spectabilis - Senecio triangularis Wet Meadow Reference: NatureServe Biotics 2019 Description: This herbaceous association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. This herbaceous vegetation has been described from drainages in the lower alpine zone near treeline (3110 m [10,200 feet] elevation). The stands are narrow (&lt;10 m wide) and occur on the banks of a high-gradient ephemeral stream. Sites are cold, moist and may be shaded by nearby trees. They accumulate deep snowpacks in winter and are temporarily flooded in the spring during snowmelt. The substrate is typically shallow, stony, and derived from alluvium. The soil is saturated near the surface most of the growing season. Soil texture is variable and ranges from deposits of sand and silt to silty clay loam. This temporarily flooded herbaceous association is dominated by <i>Carex spectabilis</i> with traces of emergent <i>Salix orestera</i>. Several forbs and graminoids are present at low cover values. The forb <i>Senecio triangularis</i> is diagnostic. <i>Poa wheeleri</i> attains 2.5% cover, and other graminoids present at trace amounts may include <i>Carex heteroneura, Carex vernacula, Juncus mertensianus, Poa fendleriana ssp. fendleriana</i>, and <i>Trisetum spicatum</i>. <i>Mimulus tilingii</i> is the most common forb. <i>Antennaria media, Penstemon heterodoxus, Phleum alpinum, Potentilla flabellifolia, Stellaria calycantha</i>, and/or <i>Veronica wormskjoldii</i> may be present in trace amounts.  Accession Code: urn:lsid:vegbank.org:commConcept:32010-{97D8FC98-9CC4-4700-8C37-941ABBBEDCF2} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 06-May-2010 to: ongoing
	status: accepted Community's Parent: Saxifraga odontoloma - Senecio triangularis - Mertensia ciliata Wet Meadow Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683122 NatureServe Explorer   Code: CEGL003127   Translated: Showy Sedge - Arrowleaf Ragwort Wet Meadow   Scientific: Carex spectabilis - Senecio triangularis Wet Meadow (convergence) and Synonyms: (similar) Carex spectabilis - Senecio triangularis Herbaceous Vegetation (similar) Carex spectabilis - Senecio triangularis Herbaceous Vegetation