Presence of flowering plant species used by butterflies on ROW treatment units at 5 census counts.
| TREATMENT | |||||
|---|---|---|---|---|---|
| Census | Handcutting | Mowing | Mowing plus herbicide | Stem-foliage | Foliage |
1 5/31 - 6/2 | Blackberry | Blackberry | Blackberry Dewberry Deerberry | Blackberry | Blackberry Common cinquefoil |
2 6/19 - 6/20 | Dogbane Japanese honeysuckle Yarrow | Japanese honeysuckle | Elderberry Japanese honeysuckle Purple milkweed Purple raspberry | Bull thistle Daisy fleabane Japanese honeysuckle Wild rose | |
3 7/5 - 7/6 | Dogbane Common milkweed Yarrow | Dogbane Purple flowering raspberry Spotted knapweed | Dogbane Purple flowering raspberry Spotted knapweed Yarrow | Dogbane Spotted knapweed Yarrow | Dogbane spotted knapweed Yarrow |
4 7/22 - 7/23 | Mountain mint Purple flowering raspberry Yarrow | Mountain mint Spotted knapweed Yarrow | Mountain mint Spotted knapweed Yarrow | Mountain mint Spotted knapweed Canada thistle Yarrow | Mountain mint Canada thistle |
5 8/13 - 8/14 | Joe Pye weed Purple milkweed Purple flowering raspberry Queen Anne’s Lace | Canada thistle Queen Anne’s Lace | Canada thistle Purple milkweed Queen Anne’s Lace | Canada thistle Joe Pye weed Purple milkweed Queen Anne’s Lace | Canada thistle Bull thistle Indiana tobacco Joe Pye weed Queen Anne’s Lace Wild strawberry |