| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| Pm | PREMIER[1112] | |||
| Ptn | PRESTON[1112] | |||
| PG,2 | PRIDE-OF-GENESSEE[1112] | |||
| Prs | PROGRESS,USA[1112] | TR.AE | S | USA |
| Ph | PROHIBITION[1112] | |||
| Prp | PROPO[1112] | |||
| Ppr | PROSPERITY[1112] | |||
| Pcm | PURCAM[1112] | |||
| Prd1 | PURDUE-1[1112] | USA | ||
| Pk | PURKOF[1112] | |||
| Pp | PURPLESTRAW[1112] | |||
| Qi | QUALITY[1112] | |||
| Qn | QUANAH[1112] | |||
| RC,2 | RED-CLAWSON[1112] | |||
| Rct | REDCOAT[1112] | |||
| RM | RED-MAY[1112] | |||
| Rm | REDMAN[1112] | |||
| Rhl | REDHULL[1112] | |||
| Rh | REDHART[1112] | |||
| RI | RED-INDIAN[1112] |