| |
| Kingdom Plantae |
| |
Achnella Barkworth – not accepted
|
| |
Elymus calderi Barkworth – not accepted – Yukon wheatgrass
|
| |
Elymus stebbinsii ssp. septentrionalis Barkworth – accepted
|
| |
Piptochaetium avenacellum Barkworth – not accepted
|
| |
Piptochaetium brevicalyx ssp. flexuosum Barkworth – accepted
|
| |
X Achnella Barkworth – accepted – ricegrass
|
| |
X Leydeum Barkworth – accepted
|
| |
X Pascoleymus Barkworth – accepted |
| |
|
