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CCDB → Angiosperms → Lamiaceae → Pycnanthemum → Pycnanthemum tenuifolium SCHRADER
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Pycnanthemum tenuifolium SCHRADER | Pycnanthemum tenuifolium Schrad. | 40 | IPCN online | Gill, L. S. 1979a. In IOPB chromosome number reports LXV. Taxon 28: 632. | ||
| ! | Pycnanthemum tenuifolium SCHRADER | Pycnanthemum tenuifolium Schrad. | 40 | IPCN online | Gill, L. S. 1981a. Biosystematics of the tribe Satureineae (Labiatae) in Canada I. Cytologia 46: 45–55. |