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CCDB → Angiosperms → Polygonaceae → Polygonum → Polygonum douglasii Greene
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Polygonum douglasii Greene | Polygonum douglasii Greene | 40 | IPCN online | Löve, A. & D. Löve. 1982. In: IOPB chromosome number reports LXXIV. Taxon 31: 120–126. | |||
| Polygonum douglasii Greene | Polygonum douglasii Greene | 40 | Cave1956 | Love & Love a |