CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Polygonaceae → Polygonum → Polygonum raii subsp. norvegicum Sam.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Polygonum raii subsp. norvegicum Sam. | Polygonum norvegicum Lid | 28, 30 | IPCN online | Yurtseva, O. V. 2002. Chromosome numbers of Polygonum species, section Polygonum (Polygonaceae) from Russia and adjacent countries. Bot. Žhurn. (Moscow & Leningrad) 87(5): 151–153. | |||
| ! | Polygonum raii subsp. norvegicum Sam. | Polygonum norvegicum Lid | 40 | IPCN75-78 | Love & Love 1975b |