| Plant Names Latin & Common | Blooms | Seed Collecting Time |
|---|---|---|
| Asclepias purpurascens Purple Milkweed | June, July | |
| Asclepias sullivantii Sullivant’s Milkweed | June, July, August | |
| Asclepias tuberosa Butterfly Milkweed | June, July, August | |
| Baptisia leucantha White False Indigo | June, July | |
| Ceanothus americanus New Jersey Tea | ||
| Galium boreale Northern bedstraw | June, July | |
| Hieracium canadense Canada Hawkweed | July — Sep | |
| Hypoxis hirsuta Yellow Stargrass | ||
| Liatris aspera Rough Blazing Star | July, Aug | |
| Lilium michiganese Michigan Lily | June, July | |
| Oxalis violacea Violet wood sorrel | April, May, June | |
| Polygala senaga Seneca snakeroot | May, June | |
| Prenanthes aspera Rough White Lettuce | Aug, Sep | |
| Prenanthes racemosa Smooth White lettuce | July — Oct | |
