NPSpecies

Nearly all material in Idaho fits several introduced morphs. All material in this Park Unit should be considered non-native, resulting from seeding efforts or waif, and is weedy and persistent. Legacy NPSpecies information may no longer be applicable, please remove if it is not applicable. In legacy NPSpecies Cultivation value was Unknown with comment: May have been seeded in highway right-of-ways; persistent in such areas and along Snake River, where occuring as volunteers. In legacy NPSpecies Weedy value was Yes with comment: Known to be highly INVASIVE and AGGRESSIVE in this Park Unit or nearby similar areas; of high management concern; treatment advisable.

Park Species Detail: Habitat in this Park Unit = Most common in generic uplands; most common in bottomlands; often alkaline; generally restricted to riparian areas or mesic sites; generally restricted to farm crop fields and/or adjacent edges; often in disturbed areas or weedy sites. Data derivation and tracking accountability (do not delete): Original data for this Park-Name Profile record were derived and entered by Steve J. Popovich, 1999-2005, team leader under University of Idaho Contract P.O. No. P0011391, based upon a preponderance of evidence and the best scientific and commercial data available, including personal knowledge of one or more of the following individuals: Steve J. Popovich (formerly Botanist, USDI BLM Idaho Shoshone Field Office, 1991-1997, Shoshone, ID, USA; Research Plant Ecologist, 1997-1999, USDI USGS, FRESC, Corvallis, OR, USA; intermittent private contractor 1999-2005; currently Botanist, USDA USFS, Fort Collins, CO, USA); Patricia L. Packard, Carol A. M. Prentice, and Linda C. Smithman (Herbarium CIC, Caldwell, ID, USA); Michael Curto (Herbaria OBI, San Luis Obispo, CA, USA, and UTC, Logan, UT, USA); Emerenciana 'Mering' G. Hurd (USDA USFS Intermountain Research Station, Boise, ID, USA); Nancy K. Cole (former Plant Ecologist, Idaho Power, Boise, ID, USA); Roger Rosentreter (USDI BLM Idaho State Office Botanist, Boise, ID, USA); N. Duane Atwood and James L. Reveal (Herbarium BRY, Provo, UT, USA); Robert K. Moseley (former Botanist, Idaho Conservation Data Center, Boise, ID, USA); Sandra Robins and Curtis Bjork (Lambert Erickson Weed Diagnostic Laboratory, University of Idaho, Moscow, ID, USA); the regional floral manuals Intermountain Flora - Vascular Plants of the Intermountain West, USA; A Utah Flora, and Flora of the Pacific Northwest; various appropriate botanical monographs; USDA NRCS PLANTS database as of 4/2005; Natural Heritage Program, Idaho Conservation Data Center database as of 4/2005; and local Unit National Park Service staff., Park Species Data Source: Original data derived by Steve J. Popovich 1992-2005 based upon a preponderance of evidence and the best scientific and commercial data available, University of Idaho Contract P.O. No. P0011391.