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.
CCDB → Angiosperms → Compositae → Chaenactis → Chaenactis douglasii (Hook.) Hook. & Arn.
25 chromosome counts in Chaenactis douglasii (Hook.) Hook. & Arn.:
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Chaenactis douglasii var. montana M. E. Jones | Chaenactis douglasii (Hook.) Hook. & Arn. | 6(1) | Asteracea | Raven & K. 1961 Amer. J. Bot. | ||
| Chaenactis douglasii var. douglasii | Chaenactis douglasii (Hook.) Hook. & Arn. | 12, 24, 25(2, 1, 1) | Asteracea | Mooring 1965 Brittonia | |||
| ! | Chaenactis douglasii var. montana M. E. Jones | Chaenactis douglasii (Hook.) Hook. & Arn. | 12(1) | Asteracea | Mooring 1965 Brittonia | ||
| Chaenactis douglasii var. douglasii | Chaenactis douglasii (Hook.) Hook. & Arn. | 12II(1) | Asteracea | Strother 1972 Amer. J. Bot. | |||
| Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | 6II, 6II+1I, 7II, 12II, 12II+0-1f, 15I(15, 1, 1, 12, 1, 1) | 11-12(1) | Asteracea | Mooring 1992 Madrono | ||
| ! | Chaenactis douglasii var. glandulosa Cronquist | Chaenactis douglasii (Hook.) Hook. & Arn. | 12, 13, 14, 24(1, 1, 1, 1) | Asteracea | Mooring 1965 Brittonia | ||
| ! | Chaenactis douglasii var. achilleifolia (Hook. & Arn.) A. Nelson | Chaenactis douglasii (Hook.) Hook. & Arn. | 6(1) | 12, 24(1, 1) | Asteracea | Taylor ＆ T. 1977 Syesis. (by British Columbia Provincial Museum) | |
| Chaenactis douglasii var. douglasii | Chaenactis douglasii (Hook.) Hook. & Arn. | 6(3) | Asteracea | Mooring 1965 Brittonia | |||
| ! | Chaenactis douglasii var. achilleifolia (Hook. & Arn.) A. Nelson | Chaenactis douglasii (Hook.) Hook. & Arn. | 6(1) | 12, 24(1, 1) | Asteracea | Taylor & T. 1977 Syesis. (by British Columbia Provincial Museum) | |
| ! | Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | 12(1) | Asteracea | Zhao ＆ T. 1993 Sida (= J. Bot. Res. Inst. Texas) | ||
| ! | Chaenactis douglasii var. montana M. E. Jones | Chaenactis douglasii (Hook.) Hook. & Arn. | 12 | IPCN65 | Mooring 1965 | ||
| ! | Chaenactis douglasii var. glandulosa Cronquist | Chaenactis douglasii (Hook.) Hook. & Arn. | 12, 13, 14, 24 | IPCN65 | Mooring 1965 | ||
| Chaenactis douglasii var. douglasii | Chaenactis douglasii (Hook.) Hook. & Arn. | 12, 24, 25 | IPCN65 | Mooring 1965 | |||
| ! | Chaenactis douglasii var. achilleifolia (Hook. & Arn.) A. Gray | Chaenactis douglasii (Hook.) Hook. & Arn. | 18, 24, 25, 26,27, 28, 36, c.38 | IPCN65 | Mooring 1965 | ||
| ! | Chaenactis ramosa Stockw. | Chaenactis douglasii (Hook.) Hook. & Arn. | 6 | IPCN65 | Mooring 1965 | ||
| Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | c.26 | IPCN online | Chinnappa, C. C. & J. G. Chmielewski. 1987. Documented plant chromosome numbers 1987: 1. Miscellaneous counts from western North America. Sida 12: 409–417. | |||
| Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | 6II, 12II+0-1+0-1I, 12II+0-1 fragm., 15II | 11, 12 | IPCN online | Mooring, J. S. 1992. Chromosome numbers and geographic distribution in Chaenactis douglasii (Compositae, Helenieae). Madroño 39(4): 263–270. | ||
| Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | 12 | IPCN online | Turner, B. L. & Z. Zhao. 1992. Documented chromosome numbers 1992: 2. Miscellaneous U.S.A. and Mexican species, mostly Asteraceae. Sida 15: 147–150. | |||
| Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | 12 | IPCN online | Zhao, Z. & B. L. Turner. 1993. Documented chromosome numbers 1993: 3. Miscellaneous U.S.A. and Mexican species, mostly Asteraceae. Sida 15: 649–653. | |||
| Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | 37 | IPCN online | Mooring, J. S. 1980. A cytogeographic study of Chacnactis douglasii (Compositae, Helenicae). Amer. J. Bot. 67: 1304–1319. | |||
| Chaenactis douglasii (Hook.) Hook. & Arn. | Chaenactis douglasii (Hook.) Hook. & Arn. | 6 | IPCN online | Keil, D. J. & D. J. Pinkava. 1976. Chromosome counts and taxonomic notes for Compositae from the United States and Mexico. Amer. J. Bot. 63: 1393–1403. | |||
| Chaenactis douglasii var. achilleifolia (Hook. & Arn.) A. Nelson | Chaenactis douglasii (Hook.) Hook. & Arn. | 6 | 12,24 | IPCN online | Taylor, R. L. & S. Taylor. 1977. Chromosome numbers of vascular plants of British Columbia. Syesis 10: 125–138. | ||
| ! | Chaenactis douglasii var. douglasii | Chaenactis douglasii (Hook.) Hook. & Arn. | 12 | IPCN72 | STROTHER, J.L. 1972. Chromosome studies in western North American Compositae. Amer. J. Bot. 59: 242-247. | ||
| Chaenactis douglasii var. douglasii | Chaenactis douglasii (Hook.) Hook. & Arn. | 12,24,36 | eFlora | ||||
| ! | Chaenactis douglasii None | Chaenactis douglasii (Hook.) Hook. & Arn. | 6 | Cave1959 | Alava 1959 |