]> [author note: Univ. Agron. Sci.; Univ. Guelph; Tax. Amaranthus, Polygonum, Echinochloa; BUAG, BUC, BUCA, OAC, UCR] [collector note: BUAG, BUC, BUCA, OAC, UCR] Botany Costea, Mihai Costea, Mihai M. Costea Costea Mihai Costea 1966