Reference · Crops
Knotgrass
13 items — choose below or search on the left.
13
items
Results
Prostrate knotweed
Polygonum arenastrum Boreau
Silver-sheath knotweed
Polygonum argyrocoleon Steud. ex Kunze
Prostrate knotweed
Polygonum aviculare L.
Black-bindweed
Polygonum convolvulus L.
Divaricate knotweed
Polygonum divaricatum L.
Erect knotweed
Polygonum erectum L.
Water pepper
Polygonum hydropiper L.
Pale persicaria
Polygonum lapathifolium L.
Pennsylvania smartweed
Polygonum pensylvanicum L.
Redshank
Polygonum persicaria L.
Dotted smartweed
Polygonum punctatum Elliott
Senegal knotweed
Polygonum senegalense Meisn.
Weyrich's knotweed
Polygonum weyrichii F. Schmidt ex Maxim.
Crop reference
Catalogue of agricultural crops — the CPVO registry of species and varieties: vegetable, cereal, fruit and ornamental. For each crop — description, agronomy, diseases, pests and available varieties.
Crops are linked to the catalogue: a crop page shows its varieties and protection products, and a variety's specs show its crop. Use the search on the left to find the species you need.