There are 197 pages with 1963 entries

Results
 Family  Genus  Specific epithet  Ploidy level  Chromosome number  Bs range  Complete citation reference
Apiaceae Trachyspermum ammi 2,00 18 1-2 Dwivedi, H., & Kumar, G. (2019). Reporting of B-chromosomes in Trachyspermum ammi (L.) Sprague (Ajwain). Cytology and Genetics, 53(1), 68-75.
Apiaceae Trachyspermum ammi 4,00 36 1-2 Dwivedi, H., & Kumar, G. (2019). Reporting of B-chromosomes in Trachyspermum ammi (L.) Sprague (Ajwain). Cytology and Genetics, 53(1), 68-75.
Apiaceae Sium latifolium 12 1 Goldblatt, P., & Johnson, D. E. (2006). Index to plant chromosome : numbers 2001-2003. St. Louis,Missouri (U.S.A.): Missouri Botanical Garden.
Apiaceae Bupleurum ranunculoides 6,00 42 3 Kupfer, P. (1969). Recherches cytotaxinomiques sur la flore des montagnes de la Peninsule Iberique. Bulletin de la Société neuchâteloise des sciences naturelles, 92, 31–48
Apiaceae Apium graveolus 2,00 22 1-2 Marks, G. E. (1978). The consequences of an unusual Robertsonian translocation in celery (Apium graveolens<7i> var dulce). Chromosoma, 69(2), 211–218
Apiaceae Bupleurum bicaule 4,00 28 2 Rostovtseva, T. S. (1983). Accessory chromosomes in some plant species. Tsitologiya Genetika, 17, 8–12.
Apiaceae Pimpinella acuminata NA Bs Singhal, V. K., Singh, J., Kaur, S., & Kumar, R. (2016). Chromosome Counts through Male Meiosis in Some Dicots from the Hills around Shimla, Himachal Pradesh. Cytologia, 81(2), 183–188.
Apiaceae Dystaenia ibukiensis 44 8,10 Weiss, H., Sun, Y.-Y., Stuessy, O. F., Kim, H. H., Kato, I., & Wakabayashi, M. (2002). Karyology of plant species endemic to Ullung Island (Korea) and selected relatives in peninsular Korea and Japan. Botanical Journal of the Linnean Society, <
Apiaceae Silaum silaus 22 1-3 Goldblatt, P., & Johnson, D. E. (Eds.). (2000). Index to plant chromosome : numbers 1996-97. St. Louis,Missouri (U.S.A.): Missouri Botanical Garden.
Apiaceae Silaum silaus 22 1 Goldblatt, P., & Johnson, D. E. (Eds.). (2000). Index to plant chromosome : numbers 1996-97. St. Louis,Missouri (U.S.A.): Missouri Botanical Garden.

B-chrom database 2017