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Pinus contorta var. contorta / Arctostaphylos columbiana Woodland | NatureServe Biotics 2019
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Name: Pinus contorta var. contorta / Arctostaphylos columbiana Woodland Reference: NatureServe Biotics 2019 Description: This woodland association occurs discontinuously along the Pacific Coast between northern California and Tillamook Bay, Oregon. It occurs on all aspects on dry, partially stabilized sand dune ridges, slopes, and flats, between open sand and the edge of the forest. Habitat requirements appear to be minimal sand movement and well-drained sites. Burial by windblown sand occurs in some areas. These woodlands are dominated by <i>Pinus contorta var. contorta</i>, with lesser amounts of <i>Pseudotsuga menziesii</i>, forming an open canopy with 20-55% cover. Pines in mature stands are between 80-130 years old. The shrub layer is dominated by <i>Arctostaphylos columbiana</i> and <i>Vaccinium ovatum</i> averaging 1.8 m (6 feet) tall, with 45-95% cover. The ground layer is sparse, with small ericaceous plants such as <i>Monotropa hypopitys, Hemitomes congestum</i>, and <i>Allotropa virgata</i> occasionally found. The lichen flora on the shrub layer is diverse, with many cyanolichens, including several rare species. Droughty, nutrient-poor soils and slow growth make this a long-lived association. Small openings contain remnants of the earlier seral ~<i>Pinus contorta / Arctostaphylos uva-ursi</i> Forest (CEGL000134)$$, with moss and reindeer lichens conspicuous.  Accession Code: urn:lsid:vegbank.org:commConcept:31590-{5DA75A2D-FCF2-49C9-88C2-F5BD76688834} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 16-Jan-2001 to: ongoing
	status: accepted Community's Parent: Pinus contorta var. contorta Sand Dune Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.686505 NatureServe Explorer   Code: CEGL002682   Translated: Beach Pine / Hairy Manzanita Woodland   Scientific: Pinus contorta var. contorta / Arctostaphylos columbiana Woodland (convergence) and Synonyms: (similar) CEGL002682 (similar) Pinus contorta var. contorta / Arctostaphylos columbiana Woodland (similar) Pinus contorta var. contorta / Arctostaphylos columbiana Woodland