CCDBAngiospermsCompositaePyrrocomaPyrrocoma racemosa (Nutt.) Torr. & A. Gray

3 chromosome counts in Pyrrocoma racemosa (Nutt.) Torr. & A. Gray:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Pyrrocoma racemosa var. racemosa Pyrrocoma racemosa (Nutt.) Torr. & A. Gray 6II(1)   Asteracea Semple et al. 2001 Rhodora
  Pyrrocoma racemosa var. racemosa Pyrrocoma racemosa (Nutt.) Torr. & A. Gray 6II   IPCN online Semple, J. C., C. Xiang, J. Zhang, M. Horsburgh & R. Cook. 2001. Chromosme number determinations in Fam. Compositae, tribe Astereae. VI. Western North American taxa and comments on generic treatments of North American asters. Rhodora 103: 202–218.
!   Haplopappus racemosus (Nutt.) Torr. Pyrrocoma racemosa (Nutt.) Torr. & A. Gray   12 Fedorov, 1974 Raven et al. 1960