See the PDF here
Author(s)
Carrithers, Vanelle F.
  • Related plants:
  • Carduus nutans
  • Cirsium arvense
  • Cirsium vulgare
  • Crupina vulgaris
  • Cynara cardunculus
  • Delairea odorata
  • Leucanthemum vulgare
  • Rumex crispus
Presented at the 1997 Cal-IPC Symposium.