How many of these Ontario roadside wildflowers can you identify?

See answers below: (Please let me know in the comments if you think that I've misidentified any of them) Common Names: 1. Common Bird's-foot Trefoil 2. White Clover 3. Bird Vetch 4. Bladder Campion 5. Wild Carrot 6. Lady's Bedstraw 7. Common Milkweed 8. Common St. John'swort 9. Creeping Thistle 10. White Sweet Clover 11. Purple Loosestrife 12. Red Clover 13. Yellow Sweet Clover 14. Scentless Mayweed 15. Black Medick 16. Common Yarrow 17. Annual Fleabane 18. Parsnip Scientific Names: 1. Lotus corniculatus 2. Trifolium repens 3. Vicia cracca 4. Silene vulgaris 5. Daucus carota 6. Galium verum 7. Asclepias syriaca 8. Hypericum perforatum 9. Cirsium arvense 10. Melilotus albus 11. Lythrum salicaria 12. Trifolium pratense 13. Melilotus officinalis 14. Tripleurospermum inodorum 15. Medicago lupulina 16. Achillea millefolium 17. Erigeron annuus 18. Pastinaca sativa