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CCDB → Angiosperms → Betulaceae → Betula → Betula pumila L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Betula pubescens subsp. borealis (Spach) Á. Löve & D. Löve | Betula pumila L. | 56 | IPCN online | Love, A. & D. Love. 1982. In: IOPB chromosome number reports LXXVI. Taxon 31: 583–587. | |||
| Betula pubescens subsp. borealis (Spach) Á. Löve & D. Löve | Betula pumila L. | 56 | IPCN online | Love, A. & D. Love. 1975b. In IOPB chromosome number reports XLIX. Taxon 24: 501–516. | |||
| Betula pumila subsp. glandulifera (Regel) Á. Löve & D. Löve | Betula pumila L. | 56 | IPCN online | Love, A. & D. Love. 1982. In: IOPB chromosome number reports LXXVI. Taxon 31: 583–587. | |||
| Betula pumila var. glandulifera Regel | Betula pumila L. | ca. 56 | IPCN online | Brunsfeld, S. J. & F. D. Johnson. 1986. Notes on Betula ser. Humiles (Betulaceae) in Idaho. Madroño 33: 147–148. | |||
| ! | Betula glandulifera (Regel) E. J. Butler | Betula pumila L. | 28 | IPCN66 | Dugle 1966 | ||
| ! | Betula pumila var. glandulifera Regel | Betula pumila L. | 56 | IPCN66 | Love & Ritchie 1966 | ||
| ! | Betula pumila L. | Betula pumila L. | 56 | eFlora | |||
| ! | Betula pumila L. | Betula pumila L. | 56 | Darlington, 1955 | Woodworth 1931 | ||
| ! | Betula pumila L. | Betula pumila L. | 56 | Cave1962 | Clausen 1962 |