CCDB Header
Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics







CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.


CCDBAngiospermsCompositaeGrindeliaGrindelia columbiana (Piper) Rydb.

3 chromosome counts in Grindelia columbiana (Piper) Rydb.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Grindelia columbiana (Piper) Rydb. Grindelia hirsutula Hook. & Arn.   12(1) Asteracea Whitaker & S. 1935 Bull. Torrey Bot. Club (= J. Torrey Bot. Soc.)
!   Grindelia columbiana (Piper) Rydb. Grindelia hirsutula Hook. & Arn.   12 IPCN67-71 WHITAKER, T.W . & J.A. STEYERMARK. 1935. Cytological aspects of Grindelia species. Bull. Torrey Bot. Club 62: 69-73.
!   Grindelia columbiana (Piper) Rydb. Grindelia hirsutula Hook. & Arn.   12 Fedorov, 1974 Whitaker, Steyermark. 1935