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Filters: Keyword is European ear radix = Radix auricularia  [Clear All Filters]
2013
Miller, Rich, Mark D. Sytsma, and Vanessa Howard Morgan. Aquatic invasive species surveys of Pacificorp’s North Umpqua River impoundments In Portland State University. Center for Lakes and Reservoirs Publications and Presentations . Vol. no.27. Portland, Or., 2013.
→ pdxscholar.library.pdx.edu/centerforlakes_pub/27/
2012
Sytsma, Mark D., and Rich Miller. Survey of aquatic invasive species in selected Umpqua National Forest lakes and ponds In Portland State University. Center for Lakes and Reservoirs Publications and Presentations. Vol. no. 41. Portland, Or., 2012.
→ pdxscholar.library.pdx.edu/centerforlakes_pub/41/