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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 639271YakimaAchillea millefolium L. Utah, United StatesW6Not Available2005DEVELOPEDPRE 05/25/2005Breeding materialDeveloped and released as a source identified class germplasm by a multi-agency project to identify resilient plant characteristics and develop wear-resistant plant cultivars for use on military training lands. This is a multi-origin germplasm assembled from 27 locations to ensure establishment over a broad geographic area and provides a source of readily available seed. Has shown vigorous growth in the G1 field near Logan, Utah and has been successfully established in field trials in Utah, Idaho, and Washington. A range of phenotypic differences have been observed in the seed production field indicating the diversity within this germplasm. In a preliminary study an earlier western yarrow collection from many of the same 27 collection locations was tested at the Yakima Training Center where it established and persisted better than common variety-not-stated western yarrow. Western yarrow is an important, abundant forb in the bluebunch wheatgrass-sagebrush plant communities of the Intermountain and Northwest regions of the United States. It is rhizomatous and drought tolerant enabling it to recruit into disturbed areas and often competes well with invasive weedy species. This western yarrow is intended for use in rehabilitation and restoration of western rangelands. It should be particularly useful to help stabilize and add diversity to severely disturbed sites, such as military training lands and after wildfires.1677385PI 639271