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    Author(s): G.R. Johnson; P.C. Berrang
    Date: 2007
    Source: Rangeland Ecology and Management. 60(1): 99-103
    Publication Series: Scientific Journal (JRNL)
    PDF: Download Publication  (981 KB)


    Seed shatter dates for antelope bitterbrush were estimated from collections at 192 sites in Oregon and surrounding states. Shatter date was strongly correlated to elevation, and an equation that included elevation, latitude, longitude, and longitude squared explained 79 percent of the variation in seed shatter dates. This information can assist those needing to schedule seed collection activities at multiple locations.

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    Johnson, G.R.; Berrang, P.C. 2007. Seed shatter dates of antelope bitterbrush in Oregon. Rangeland Ecology and Management. 60(1): 99-103


    Purshia tridentata, seed collection, seed maturation

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