| |
| Kingdom Plantae |
| |
Festuca calligera (Piper) Rydb. – accepted – southwest fescue
|
| |
Grindelia columbiana (Piper) Rydb. – not accepted – Columbia River gumweed
|
| |
Hesperochloa (Piper) Rydb. – not accepted
|
| |
Ophrys caurina (Piper) Rydb. – not accepted
|
| |
Ozomelis anomala (Piper) Rydb. – not accepted
|
| |
Ozomelis micrantha (Piper) Rydb. – not accepted
|
| |
Ozomelis stauropetala (Piper) Rydb. – not accepted
|
| |
Petrophyton cinerascens (Piper) Rydb. – not accepted – halfshrub rockmat
|
| |
Petrophytum cinerascens (Piper) Rydb. – accepted – halfshrub rockmat, chelan rockmat
|
| |
Vulpia pacifica (Piper) Rydb. – not accepted |
| |
|
