| Name | Polygonum douglasii subsp. austinae (Greene) A. E. Murray |
| Authorship | (Greene) A. E. Murray |
| Rank | Subspecies |
| Placed in | Polygonum douglasii Greene |
| Citation | 1982 Kalmia 12: 23 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Polygonum douglasii subsp. austinae (Greene) A. E. Murray |
| Identification made in | [no date] (11) |
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