Sida spinosa Note pair of linear stipules at node, "spines" Key ID Feature Photo credit Grant Thompson
Ligustrum obtusifolium Ligustrum obtusifolium Leaf Inflorescence Photo credit Leslie J. Mehrhoff, University of Connecticut
Ligustrum obtusifolium Ligustrum obtusifolium Whole plant Leaf Stem Inflorescence Photo credit Leslie J. Hehrhoff, University of Connecticut
Polygonum cuspidatum Polygonum cuspidatum Leaf Stem Inflorescence Photo credit Tom Heutte, USDA Forest Service
Polygonum cuspidatum Polygonum cuspidatum Leaf Inflorescence Photo credit Britt Slattery, US Fish and Wildlife Service
Elaeagnus angustifolia Elaeagnus angustifolia Leaf Inflorescence Photo credit Patrick Breen, Oregon State University
Elaeagnus angustifolia Elaeagnus angustifolia Leaf Stem Photo credit Steve Dewey, Utah State University
Elaeagnus angustifolia Elaeagnus angustifolia Stem Photo credit Patrick Breen, Oregon State University
Elaeagnus angustifolia Elaeagnus angustifolia Whole plant Photo credit David J. Moorhead, University of Georgia
Dipsacus fullonum Dipsacus fullonum Whole plant Inflorescence Photo credit Steve Dewey, Utah State University