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CCDB → Angiosperms → Compositae → Helenium → Helenium microcephalum DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helenium microcephalum DC. | Helenium microcephalum DC. | 13(2) | Asteracea | Powell et al. 1975 Amer. J. Bot. | |||
| Helenium microcephalum var. microcephalum | Helenium microcephalum DC. | 13(1) | Asteracea | Weedin & P. 1980 Taxon | |||
| Helenium microcephalum DC. | Helenium microcephalum DC. | 13 | IPCN online | Powell, A. M., D. W. KYHOS & P. H. Raven. 1975. Chromosome numbers in Compositee. XI. Helenieae. Amer. J. Bot. 62: 1100–1103. | |||
| Helenium microcephalum var. microcephalum | Helenium microcephalum DC. | 13 | IPCN online | WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718. | |||
| ! | Helenium microcephalum var. microcephalum | Helenium microcephalum DC. | 26 | IPCN72 | GRASHOFF, J.L., M.W. BIERNER, & D.K. NORTHINGTON. 1972. Chromosome numbers in North and Central American Compositae. Brittonia 24: 379-394. | ||
| Helenium microcephalum var. microcephalum | Helenium microcephalum DC. | 26 | eFlora |