| Quercus alba White Oak |
4 |
11364.34 |
| Quercus infectoria Gall Oak; Aleppo Oak; Dyer's Oak |
1 |
|
| Quercus phellos Willow Oak |
3 |
6064.17 |
| Quercus robur English Oak |
1 |
|
| Quercus rubra Northern Red Oak |
3 |
18478.40 |
| Quercus stellata Post Oak |
3 |
11867.36 |
| Quercus velutina Black Oak |
4 |
13829.46 |
| Quisqualis indica Rangoon Creeper |
2 |
2124.00 |
| Raphanus sativus Radish |
3 |
15262.28 |
| Rehmannia glutinosa Chinese Foxglove |
2 |
2408.00 |
| Rheum officinale Chinese Rhubarb |
1 |
|
| Rheum palmatum Chinese Rhubarb |
2 |
5140.00 |
| Rheum rhabarbarum Rhubarb |
5 |
4042.20 |
| Rhizophora mangle Red Mangrove |
2 |
17686.00 |
| Rhododendron dauricum Chinese Alpenrose |
1 |
|
| Rhododendron ponticum Pontic Alpenrose |
2 |
|
| Rhodymenia palmata Dulse |
3 |
11992.00 |
| Rhus copallina Dwarf Sumac; Winged Sumac |
3 |
28194.28 |
| Rhus coriaria Sumac; Sicilian Sumac; Tanner's Sumac |
1 |
|
| Rhus glabra Smooth Sumac |
3 |
9816.10 |