TY - RPRT TI - Field determination of optimal dates for the discrimination of invasive wetland plant species using derivative spectral analysis AU - M. Laba AU - F. Tsai AU - Danielle Ogurcak AU - S. Smith AU - M. E. Richmond PY - 2005 DO - 10.14358/pers.71.5.603 UR - https://pubs.usgs.gov/publication/70029277 ID - 70029277 ER -