Combination search
Looking for commercially available native plant species suitable to your state or region, try the Recommended Species page.
| scientific name | common name(s) | image gallery |
| Osmorhiza longistylis | Longstyle Sweetroot Aniseroot Sweet-cicely Wild Licorice | |
| Osmunda regalis | Royal Fern | |
| Osmunda regalis var. spectabilis | Royal Fern | |
| Osmunda ×ruggii | Osmunda | |
| Ostrya virginiana | Eastern Hop-hornbeam American Hop-hornbeam Woolly Hop-hornbean Eastern Ironwood Roughbark Ironwood Ironwood Deerwood Leverwood | |
| Oxydendrum arboreum | Sourwood Sorrel Tree | |
| Oxalis dillenii | Slender Yellow Wood Sorrel Yellow Wood Sorrel Yellow Woodsorrel | |
| Oxypolis filiformis | Water Cowbane | |
| Oxalis grandis | Great Yellow Woodsorrel Large Yellow Wood Sorrel | |
| Oxalis montana | Mountain Woodsorrel Northern Wood Sorrel | |
| scientific name | common name(s) | image gallery |
