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CCDB → Angiosperms → Cistaceae → Helianthemum → Helianthemum nummularium subsp. obscurum Holub
Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
! | Helianthemum nummularium subsp. obscurum Holub | Helianthemum ovatum Dun. | 20 | Flora Europaea | Rohner, 1954 | ||
! | Helianthemum nummularium subsp. obscurum Holub | Helianthemum ovatum Dun. | 20 | IPCN online | Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42. |