| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| NAR59 | NARINO-59[144]; | TR.AE | S | COL |
| NBNT | NOVA-BANATKA[1281]; | TR.AE | W | YUG |
| NCM | NICOMA[219][1281]; | TR.AE | W | USA |
| ND,1 | NORD-DESPREZ[145][1281]; | TR.AE | FRA | |
| ND,2 | NORTH-DAKOTA | TR.AE | S | USA:ND |
| NFN | NOVAFEN[145][1281]; | TR.AE | CHL | |
| NGR | NEGRO[145][1281]; | TR.DR | CHL;ESP[1281] | |
| NHU | NHU-PORA[145][1281]; | TR.AE | S | BRA |
| NHUP | NHU-PORA[740]; | TR.AE | S | BRA |
| NICA | NYCTICORAX[115][1281]; | TR.DR | S | MEX |
| NIP | NIPIGON[114][144][1281]; | TR.AE | S | MEX |
| NJ | NJORO[115][1281]; | TR.DR | S | KEN |
| NKC | NORKIN-CABURE[145][144][1281]; | TR.AE | S | ARG |
| NKCH | NORKIN-CHURRINCHE[145][1281]; | TR.AE | S | ARG |
| NKI | NORKIN-IRUPE[145][144][1281]; | TR.AE | S | ARG |
| NKL | NORKIN-LIDER[145][1281]; | TR.AE | S | ARG |
| NKN | NORKAN[740][1281]; | TR.AE | W | USA |
| NKN82 | NORKIN-T-82[145][1281]; | TR.AE | S | ARG |
| NKP | NORKIN-PAN[145][1281]; | TR.AE | S | ARG |
| NKT | NEELKANT[114][144][1281]; | TR.AE | S | MEX |