There are 224 pages with 2233 entries

Results
 Family  Genus  Specific epithet  Ploidy level  Chromosome number  Bs range  Complete citation reference
Poaceae Bromus tectorum 2,00 14 1-2 Sheidai, M., & Fadaei, F. (2005). Cytogenetic studies in some species of Bromus L., section Genea Dum. Journal of Genetics, 84(2), 189–194.
Poaceae Pennisetum violaceum 2,00 14 1-10 Amouroux-Pezas, C. (1985). Étude de la variabilité numérique intra-individuelle induite par des chromosomes surnuméraires de type B chez Pennisetum violaceum. Bulletin de la Société Botanique de France. Actualités Botaniques, 132(2), 81–87.
Poaceae Secale cereale 2,00 14 2,4 Yakuwu, K. (1944). On the behaviour of extra chromosomes of Secale cereale L. Japanese Journal of Genetics, 20, 72–73
Poaceae Triticum speltoides 2,00 14 1-8 Zarchi, Y., Hillel, J., & Simchen, G. (1974). Supernumerary chromosomes and chiasma distribution in Triticum speltoides. Heredity, 33(2), 173–180
Poaceae Zea mays 2,00 20 Bs Brannen, E. L. (1981). Factors adjacent to the centromere that affect nondisjunction of the B chromosomes in Zea mays. Genetics Suppl., 97(1), s14–s15.
Poaceae Lolium perenne 2,00 14 1 Goldblatt, P., & Johnson, D. E. (1998). Index to plant chromosome : numbers 1994-95. St. Louis,Missouri (U.S.A.): Missouri Botanical Garden.
Poaceae Bromus madritensis 4,00 28 1-2 Sheidai, M., & Fadaei, F. (2005). Cytogenetic studies in some species of Bromus L., section Genea Dum. Journal of Genetics, 84(2), 189–194.
Poaceae Zea mays NA Bs Han, F., Lamb, J. C., McCaw, M. E., Gao, Z., Zhang, B., Swyers, N. C., & Birchler, J. A. (2018). Meiotic studies on combinations of chromosomes with different sized centromeres in maize. Frontiers in plant science, 9, 785.
Potamogetonaceae Potamogeton pectinatus 39 2-6(G) Goldblatt, P., & Johnson, D. E. (Eds.). (2003). Index to plant chromosome : numbers 1998-2000. St. Louis,Missouri (U.S.A.): Missouri Botanical Garden.
Smilacaceae Smilax zeylanica 2,00 34 1-8 Pal, A., & Sharma, A. K. (1976). Accessory chromosomes and chromosome variability in Smilax zeylanica L. Nucleus, Calcutta, 19, 63–67.

B-chrom database 2017