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CCDB → Angiosperms → Apiaceae → Heracleum → Heracleum lanatum Michx.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Heracleum lanatum Michx. | Heracleum lanatum Michx. | 11 | IPCN online | Baker, M. A. & B. D. Parfitt. 1982. In IOPB chromosome number reports LXXVII. Taxon 31: 764–765. | |||
| Heracleum lanatum Michx. | Heracleum lanatum Michx. | 22 | IPCN66 | Love & Love 1966b | |||
| Heracleum lanatum Michx. | Heracleum lanatum Michx. | 11 | IPCN72 | CRAWFORD, D.J., R.L. HARTMAN. 1972. Chromosome numbers and taxonomic notes for Rocky Mountain Umbelliferae. Amer. J. Bot. 59: 386-392. | |||
| Heracleum lanatum Michx. | Heracleum lanatum Michx. | 11 | 22 | IPCN67-71 | TAYLOR, R.L., & G.A. MULLIGAN. 1968. Flora of the Queen Charlotte Islands. Part 2. Cytological aspects of the Vascular Plants. Queen's Printer, Ottawa. pp. 148. | ||
| ! | Heracleum lanatum Michx. | Heracleum lanatum Michx. | 22? | Fedorov, 1974 | Matsuura, Suta 1935 | ||
| ! | Heracleum lanatum Michx. | Heracleum lanatum Michx. | 22 | Fedorov, 1974 | Bell, Constance 1957 | ||
| ! | Heracleum lanatum Michx. | Heracleum lanatum Michx. | 22 | Fedorov, 1974 | CoRoJioBCKall 1960a, 6 | ||
| ! | Heracleum lanatum Michx. | Heracleum lanatum Michx. | 22 | Fedorov, 1974 | Love A., LOve D. 1966 |