CCDBAngiospermsCompositaeAchilleaAchillea ptarmica subsp. ptarmica

6 chromosome counts in Achillea ptarmica subsp. ptarmica:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Achillea ptarmica subsp. ptarmica Achillea ptarmica L.   18(1) Asteracea Sokolovskaia 1972 Vest. Leningr. Univ. Ser. Biol. 3 (Proc. Leningrad Univ., Biol.)
  Achillea ptarmica subsp. ptarmica Achillea ptarmica L.   18(1) Asteracea Chuksanova et al. 1968a Citologija
  Achillea ptarmica subsp. ptarmica Achillea ptarmica L.   18(1) Asteracea Weimarck 1963 Lund
  Achillea ptarmica subsp. ptarmica Achillea ptarmica L.   18 IPCN online Arohonka, T. 1982. Chromosome counts of vascular plants of the island Seili in Nauvo, southwestern Finland. Turun Yliopiston Julkaisuja, Sar. A 2, Biol.-Geogr. 3: 1–12.
!   Achillea ptarmica subsp. ptarmica Achillea ptarmica L. 9   IPCN67-71 HAMET-AHTI L. & v. VIRRANKOSKI. 1970. Chromosome numbers of some vascular plants of north Finland. Ann. Bot. Fenn. 7: 177.
!   Achillea ptarmica subsp. ptarmica Achillea ptarmica L.   18 Love, 1948 Lewitsky 1940. L. & L. 1944 b.