TY - RPRT TI - Invasion of Siberian elm (Ulmus pumila) along the South Platte River: The roles of seed source, human influence, and river geomorphology AU - Lindsay Reynolds AU - Laura Perry AU - Patrick B. Shafroth AU - Gabrielle L. Katz AU - Andrew S. Norton PY - 2022 DO - 10.1007/s13157-021-01516-4 UR - https://pubs.usgs.gov/publication/70228213 ID - 70228213 ER -