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CCDB → Angiosperms → Plantaginaceae → Callitriche → Callitriche heterophylla var. heterophylla
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Callitriche heterophylla var. heterophylla | Callitriche heterophylla Pursh | 20 | IPCN online | Philbrick, C. T. 1994. Chromosome counts for Callitriche (Callitrichaceae) in North America. Rhodora 96: 383–386. |