| 9241 | PIERCE | 9242 | PIERCE (4N) | PIERCE = PIERCE (4N)
PIERCE (9241) was described as tetraploid in the doctoral thesis of Ottmar Bauer, Geilweilerhof (1968). Thus Pierce (4N) (9242) can be considered as the same variety.
| assignment to a different prime name | 2017-07-03 |
