Abstract
The chromosome numbers and the karyotypes of 11 species and 4 varieties belonging to 6 genera of the tribe Astereae of Compositae are reported. These are: Felicia bergeriana O. Hoffin, 2n=18; Erigeron speciosus DC., 2n=18; Solidago minutissima (Makino) Kitamura, 2n=18; Boltonia asteroides L'Her., 2n=27; Rhynchospermum verticillatum Reinw., 2n=18; Aster taiwanensis var. lucens Kitamura 2n=18; A. ageratoides subsp. leiophyllus var. ovalifolius Kitamura, 2n=54; A. sohayakiensis Koidzumi, 2n=18; A. rugulosus var. shibukawaensis Kitamura et Murata, 2n=18; A. dubius subsp. glabratus var. heterotrichus Kitamura, 2n=18; A. asperulus Nees, 2n=54; A. spinosus Benth., 2n=18; A. oregonensis (Nutt.) Cronq., 2n=18; A. bernardinus Hall, 2n=36; A. ontarionis Wieg., 2n=40.
