https://digitalcommons.unl.edu/usdaarsfacpub/1250/
"Phytotoxicity of Antofine from Invasive Swallow-Worts" by Donna M. Gibson, Stuart B. Krasnoff et...
Pale swallow-wort (Vincetoxicum rossicum) and black swallow-wort (V. nigrum) are two emerging invasive plant species in the northeastern United States and...