| Abies milleri(expression, america, plant, ypresian) |
| Acer hillsi(expression, america, plant, ypresian) |
| Acer republicense(expression, america, plant, ypresian) |
| Acer stonebergae(expression, america, plant, ypresian) |
| Acer toradense(expression, america, plant, ypresian) |
| Acer washingtonense(expression, america, plant, ypresian) |
| Corylopsis reedae(expression, america, plant, ypresian) |
| Corylus johnsonii(expression, america, plant, ypresian) |
| Dipteronia(noun, america, plant, ypresian) |
| Eucommia montana(expression, america, plant, ypresian) |
| Fothergilla malloryi(expression, america, plant, ypresian) |
| Ginkgo dissecta(expression, america, plant, ypresian) |
| Langeria(noun, america, plant, ypresian) |
| Nuphar carlquistii(expression, america, plant, ypresian) |
| Orontium wolfei(expression, america, plant, ypresian) |
| Rhus malloryi(expression, america, plant, ypresian) |
| Sassafras hesperia(expression, america, plant, ypresian) |
| Tilia johnsoni(expression, america, plant, ypresian) |
| Trochodendron nastae(expression, america, plant, ypresian) |
| Tsukada davidiifolia(expression, america, plant, ypresian) |