Subject
- Carrots -- Control2
- Ranunculus repens -- Control2
- Tansy ragwort -- Northwest, Pacific2
- Thistles -- Oregon2
- Weeds -- Control -- Northwest, Pacific2
- Alfalfa -- Weed control1
- Allium vineale -- Control1
- Arrhenatherum elatius -- Control1
- Bluegrasses -- Control1
- Bluegrasses -- West (U.S.)1
- Bracken fern -- Control1
- Canada thistle -- Control1
- Canada thistle -- Identification1
- Carrots -- Identification1
- Carthamus lanatus -- Control1
- Dalmatian toadflax1
- Equisetum1
- Galium -- Control1
- Herbicides1
- Holcus -- Control1