There are 6 pages with 55 entries

Results
 Family  Genus  Specific epithet  Ploidy level  Chromosome number  Bs range  Complete citation reference
Cupressaceae Cunninghamia lanceolata 2 22 1-2 Han, Y. E., Yang, Z. X., Tong, Y. C., & Chen, X. C. (1984). Studies on the karyotype of geographical provenances of Cunninghamia laceolata. Scientia Silvae Sinica, 20, 113–121
Cupressaceae Cupressus glabra 2 22 1 Hunziker, J. H. (1961). Estudios cromosomicos en Cupressus y Libocedrus (Cupressaceae). Revista de Investigaciones Agrícolas, 15, 169–185.
Cupressaceae Cupressus arizonica 2 22 1-2 Thomas, G. E., & Goggans, J. F. (1972). A karyotypic study of Cypresses indigenous to the Southwestern United States. Circular, Agricultural Experiment Station, Auburn University, 201, 1–24.
Ephedraceae Ephedra foliata 2 14 1 Rao, C. K. (1968). On a supernumerary fragment chromosome in Ephedra foliata Boiss. Current Science, 37(20), 591–592
Ephedraceae Ephedra foliata 2 14 1 Rao, C. K. (1968). On a supernumerary fragment chromosome in Ephedra foliata Boiss. Current Science, 37(20), 591–592
Pinaceae Picea engelmannii 2 24 Bs Shibata, F., Hizume, M. (2008). Comparative FISH karyotype analysis of 11 Picea species. Cytologia, 73(2), 203-211.
Pinaceae Picea jezoensis 2 24 Bs Shibata, F., Hizume, M. (2008). Comparative FISH karyotype analysis of 11 Picea species. Cytologia, 73(2), 203-211.
Pinaceae Picea koyamae 2 24 Bs Shibata, F., Hizume, M. (2008). Comparative FISH karyotype analysis of 11 Picea species. Cytologia, 73(2), 203-211.
Pinaceae Picea abies 2 24 1-4 Tashev, A. N., Sedel’nikova, T. S., & Pimenov, A. V. (2014). Supernumerary (B) chromosomes in populations of Picea abies (L.) H. Karst. from Western Rhodopes (Bulgaria). Cytology and Genetics, 48(3), 160–165
Pinaceae Larix gmelinii 2 24 1 Goldblatt, P., & Johnson, D. E. (1998). Index to plant chromosome : numbers 1994-95. St. Louis,Missouri (U.S.A.): Missouri Botanical Garden.

B-chrom database 2017