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Lupinus littoralis Dune Grassland | NatureServe Biotics 2019
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Name: Lupinus littoralis Dune Grassland Reference: NatureServe Biotics 2019 Description: This early-seral association occurs on sand dunes along the Pacific Coast between southwestern Oregon and southwestern Washington. It is characteristic of open, dry, sparsely vegetated dunes, and to a lesser extent dry deflation plains. The substrate is sand with little or no organic material. Sand movement is moderate to slight, causing both erosion and burial of stands. Insolation is intense, and summer drought pervasive. <i>Lupinus littoralis</i> reproduces prolifically by seed, and can colonize bare dune surfaces readily. Many populations become established during the summer on dune surfaces recently created by winter winds. The subsequent return of winter wind patterns often obliterates these newly established populations. Bare sand averages 51% and ranges from 5-97%. Tree and shrub layers are absent. The herb layer is depauperate to moderately diverse, with total cover averaging 39%, ranging from 3-75%. The dominant species is <i>Lupinus littoralis</i>, with cover ranging from 3-75%, averaging 31%. Other native components present in lesser numbers include species typical of open dunes, such as <i>Poa macrantha, Festuca rubra, Glehnia littoralis ssp. leiocarpa, Fragaria chiloensis, Polygonum paronychia</i>, and <i>Abronia latifolia</i>. Some of these species form plant associations of their own, and sometimes intergrade with one another. Although many older stands are being overrun by <i>Ammophila arenaria</i>, new stands are ubiquitous, and the species is prolific, causing the association to dominate large parts of the dunes.  Accession Code: urn:lsid:vegbank.org:commConcept:30883-{FED9F6B0-8BB8-462C-9DFF-0D6255A5A21C} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: ongoing
	status: accepted Community's Parent: Poa macrantha - Leymus mollis - Festuca rubra Sand Dune Grassland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685854 NatureServe Explorer   Code: CEGL001974   Translated: Seashore Lupine Dune Grassland   Scientific: Lupinus littoralis Dune Grassland (convergence) and Synonyms: (similar) CEGL001974 (similar) Lupinus littoralis Dune Herbaceous Vegetation (similar) Lupinus littoralis Dune Herbaceous Vegetation