ajd1221

Amelanchier laevis - Native to WA state?

AJD1221
2 years ago

Just happened upon the USDA site for the Allegheny Serviceberry and noticed that they have it listed as native to the state of Washington (in King County). That seemed unusual to me but what was really perplexing was that the next closest state/territory with a native population is Minnesota. So there's quite a HUGE gap between them. Any ideas on why that might be? Here's the link for reference:

https://plants.usda.gov/core/profile?symbol=amla

Comments (2)

  • gardengal48 (PNW Z8/9)
    2 years ago

    The only serviceberry native to WA state is Amelanchier alnifolia, saskatoon or western serviceberry. Allegheny serviceberry is not native here nor has it even naturalized. Not sure what that website is all about.......

  • WoodsTea 6a MO
    2 years ago

    If you click on "Data Source and Documentation" you'll see that USDA lists the source for the Washington observation as:

    Zika, P.F.,and A.L. Jacobson. 2005. Noteworthy collections. Washington. Madroño 52: 209-212.

    I pulled that article up on JSTOR and it notes that this plant was observed in 2003 and 2004 at the following location:

    "King Co., willow thickets, Union Bay, Lake Washington, Seattle, elev. 4 m"

    and provides the following info:

    "Significance. First collection as an escape from cultivation in Washington."

    It looks like USDA just has it coded wrong.

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