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Ceanothus cordulatus - Ceanothus integerrimus Shrubland Alliance | NatureServe Biotics 2019
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Name: Ceanothus cordulatus - Ceanothus integerrimus Shrubland Alliance Reference: NatureServe Biotics 2019 Description: This chaparral shrubland alliance is dominated by either <i>Ceanothus cordulatus</i> or <i>Ceanothus integerrimus</i>, with other montane chaparral shrubs, including <i>Arctostaphylos manzanita, Arctostaphylos patula, Arctostaphylos viscida, Ceanothus cuneatus, Ceanothus sanguineus</i> (in Oregon), <i>Ceanothus velutinus, Chrysolepis sempervirens, Holodiscus discolor, Notholithocarpus densiflorus, Prunus emarginata, Quercus berberidifolia, Quercus chrysolepis, Quercus vacciniifolia</i>, and <i>Symphoricarpos mollis</i>. Emergent trees may be present and can include <i>Pseudotsuga menziesii, Arbutus menziesii</i>, and <i>Quercus wislizeni</i>. The herbaceous layer is sparse and typically includes <i>Elymus glaucus</i>. These are generally short-lived shrublands (on the order of decades), succeeding to conifer woodlands or forest. Stands establish from seed banks post-fire or after other disturbance such as logging; too frequent fires can deplete the seed bank. This chaparral shrubland of cismontane California and mountains of southern Oregon is found between 300 and 2100 m elevation. This is a region with strong seasonal precipitation patterns: long, dry summers and cool, moist winters. Precipitation varies from 30 cm per year in the southern portions of the range to 200 cm per year in the northern. Stands occur on well-drained soils and are best developed on dry, exposed sites such as along ridges and upper slopes.  Accession Code: urn:lsid:vegbank.org:commConcept:39127-{7D20B3EE-0BEF-490E-8459-9F6536584450} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Arctostaphylos patula - Arctostaphylos nevadensis - Ceanothus velutinus Montane Sclerophyll Scrub Group This Community's Level: Alliance This Community's Children: Show/Hide   Ceanothus cordulatus Shrubland   Ceanothus cordulatus / Sparse Understory Sierran Shrubland   Ceanothus integerrimus - Arctostaphylos viscida - (Arctostaphylos mewukka) Shrubland   Ceanothus integerrimus Shrubland		Names:   UID: ELEMENT_GLOBAL.2.899968 NatureServe Explorer   Code: A3917   Translated: Mountain Whitethorn - Deerbrush Shrubland Alliance   Common: Californian Montane Whitethorn - Deerbrush Chaparral   Scientific: Ceanothus cordulatus - Ceanothus integerrimus Shrubland Alliance