CCDBAngiospermsCompositaeMachaerantheraMachaeranthera gymnocephala (DC.) Shinners

6 chromosome counts in Machaeranthera gymnocephala (DC.) Shinners:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Machaeranthera gymnocephala (DC.) Shinners Machaeranthera gymnocephala (DC.) Shinners 4(2)   Asteracea Turner et al. 1962 Rhodora
  Machaeranthera gymnocephala (DC.) Shinners Machaeranthera gymnocephala (DC.) Shinners 4   IPCN online Powell, A. M. & S. A. Powell. 1978. Chromosome Numbers in Asteraceae. Madroño 25(3): 160–169.
  Machaeranthera gymnocephala (DC.) Shinners Machaeranthera gymnocephala (DC.) Shinners 4II   IPCN online Carr, G. D., R. M. King, A. M. Powell & H. Robinson. 1999. Chromosome numbers in Compositae. XVIII. Amer. J. Bot. 86(7): 1003–1013.
!   Machaeranthera gymnocephala Gray Machaeranthera gymnocephala (DC.) Shinners 4   IPCN73-74 ANDERSON, L.C., D.W. KYHOS, T. MOSQUIN, A.M. POWEL~, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. IX Haplopappus and other Astereae. Amer. J. Bot. 61: 665-671.
  Machaeranthera gymnocephala (DC.) Shinners Machaeranthera gymnocephala (DC.) Shinners 4   Cave1962 Turner et al, 1962
  Machaeranthera gymnocephala (DC.) Shinners Machaeranthera gymnocephala (DC.) Shinners 4   Cave1963 DeJong & Long. 1963