| |
| Kingdom Plantae |
| |
Aster X batesii Rydb. (pro sp.) – not accepted – Bates' aster
|
| |
Aster X woldenii Rydb. (pro sp.) – not accepted – Wolden's aster
|
| |
Balsamorhiza X tomentosa Rydb. (pro sp.) – accepted – tomentose balsamroot
|
| |
Hypericum X mitchellianum Rydb. (pro sp.) – accepted – Blue Ridge St. Johnswort
|
| |
Poa X nematophylla Rydb. (pro sp.) – accepted
|
| |
Populus X acuminata Rydb. (pro sp.) – accepted – lanceleaf cottonwood
|
| |
Quercus X pauciloba Rydb. (pro sp.) – not accepted – wavyleaf oak
|
| |
Rosa X collaris Rydb. (pro sp.) – accepted
|
| |
Rubus X ostryifolius Rydb. (pro sp.) – accepted – highbush blackberry
|
| |
Salix X waghornei Rydb. (pro sp.) – accepted – Waghorn's willow
|
| |
Salix X wyomingensis Rydb. (pro sp.) – accepted
|
| |
Spiraea X subcanescens Rydb. (pro sp.) – accepted – spirea |
| |
|
