UWB Herbarium: PNW Weeds
Issued by
UW Bothell
The University of Washington (UW) Bothell Herbarium is a plant lab that collects, preserves, and stores plants specimens for later use in study and research. The practice of herbaria and cataloging specimens dates back to the 18th century. The UW Bothell Herbarium provides an opportunity for herbarium volunteers to test their knowledge of common noxious weeds and non-native plants in the Puget Sound lowlands.
- Type Validation
- Level Foundational
Skills
Earning Criteria
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Herbarium participants must go on field days/nature walks where they are introduced to tree and shrub species in the wetlands, on campus, or in local parks. In the lab, they also can view pressed and preserved specimens in the cabinet, and have access to keys and field guides. Identify 16 out of 20 live or pressed plant specimens correctly (80%) in 60 minutes. Exam is given as a practicum, with one plant per station. Students rotate through the stations, averaging 3 minutes with each specimen.
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Species list (subject to change): Buddleia davidii, Chenopodium album, Cirsium vulgare, Clematis vitalbe, Conium maculatum, Cytisus scoparius, Crataegus monogyna, Daucus carota, Geranium mole, Geranium robertianum, Hedera helix, Hypericum perforatum, Ilex aquifolium, Impatiens capensis, Jacobaea vulgaris, Lactuca serriola, Lamium purpureum, Lapsana communis, Lythrum salicaria, Matricaria discoidea, Medicago lupulina, Nymphaea odorata, Phalaris arundinacae, Polygonum persicaria...
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Polygonum cuspidatum, Ranunculus repens, Rubus bifrons, Rubus laciniatus, Solanum dulcamara, Taraxacum officinale.
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Co-curricular badges are given to students by an Office or Department, at the University of Washington Bothell, and are not part of student’s official academic transcript.