| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| NORTH-PLATTE-89 | CI-11514 | TR.AE | W | USA:Nebraska | |
| NORTH-PLATTE-93 | CI-11664 | TR.AE | W | USA:Nebraska | |
| NORTHWEST-10 | TR.AE | S | USA | ||
| NORTHWESTERN | TR.AE | S | USA | ||
| NORTON | AFRC-6837 | TR.AE | SWE | ||
| NORWELL | B-89-12-51-1248[3726]; | TR.AE | S | CAN | |
| NORWEST-553 | PI-655030 | ORN-00-B-553[000]; | TR.AE | W | USA:Oregon |
| NORWIN | K-59321; PI-491533; AUS-25125 | MT-7877[381][113][3997]; W-175[3997]; | TR.AE | W | USA:Montana |
| NOS-12044-23 | TR.AE | W | DNK | ||
| NOS-12090-X-24-01 | TR.AE | W | DNK | ||
| NOS-14011-01 | TR.AE | W | DNK | ||
| NOS-14031-08 | TR.AE | W | DNK | ||
| NOS-14034-18 | TR.AE | W | DNK | ||
| NOS-14093-10 | TR.AE | W | DNK | ||
| NOS-14095-23 | TR.AE | W | DNK | ||
| NOS-15005-22 | TR.AE | W | DNK | ||
| NOS-15009-02 | TR.AE | W | DNK | ||
| NOS-15021-32 | TR.AE | W | DNK | ||
| NOS-15035-27 | TR.AE | W | DNK | ||
| NOS-15042-11 | TR.AE | W | DNK |