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    Author(s): James F. FowlerCarolyn H. SiegBrian M. CasavantAddie E. Hite
    Date: 2012
    Source: Calochortiana. 1: 110-114.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (1.45 MB)

    Description

    Both the San Francisco Peaks ragwort, Packera franciscana and the La Sal daisy, Erigeron mancus are endemic to treeline/alpine habitats of the single mountain they inhabit. There is little habitat available for these plant species to migrate upward in a warming climate scenario. For P. franciscana, 2008 estimates indicate over 18,000 ramets in a 4 m band along a recreational trail in the Arizona San Francisco Peaks, a trail-side population centroid of 3667 m, and that the population is producing and dispersing seed. We also mapped the 2008 distribution of E. mancus patches a long the La Sal Mountain crestline in Utah.

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    Citation

    Fowler, James F.; Sieg, Carolyn H.; Casavant, Brian M.; Hite, Addie E. 2012. A tale of two single mountain alpine endemics: Packera franciscana and Erigeron mancus. Calochortiana. 1: 110-114.

    Keywords

    San Francisco Peaks ragwort, Packera franciscana, La Sal daisy, Erigeron mancus

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