784 titles (books/journals)
3,568 volumes
1,521,771 pages
207,548 links to protologues
Recent additions 
Botanicus is a freely accessible portal to historic botanical literature from the Missouri Botanical Garden Library.
Botanicus is made possible through support from the Institute of Museum and Library Services, W.M. Keck Foundation,
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- B. and J. White.
- B. M.
- Bågenholm, Jacob.
- Baillon, H.
- Bailly, D.
- Baird, Spencer Fullerton,
- Baker, Emund Gilbert,
- Ballain, Godefroy,
- Balthasar Moretus.
- Balthasarem et Ioannem Moretos.
- Balthazarem Arnolletum.
- Banks, Joseph,
- Barbaro, Ermolao,
- Barck, Harald,
- Barlow, J.
- Barnes, Charles Reid,
- Bartholin, Thomas,
- Bartlett, Harley Harris,
- Barton, William P. C.
- Bartram, John,
- Bartram, William,
- Bateman, Jas.
- Bauer, Ferdinand,
- Bauer, Franz Andreas,
- Bauer, M.
- Bauhin, Caspar,
- Bauhin, Hieronymus,
- Bauhin, Johann Caspar,
- Bauhin, Johann,
- Bay, J. Christian
- Bayerische botanische Gesellschaft, Regensburg.
- Beechey, Frederick William,
- Beer, Georg Emanuel.
- Beer, Johann Georg,
- Beiping Jingsheng Sheng wu diao cha suo.
- Bejthe, Stephan.
- Belcher, Edward,
- Belon, Pierre.
- Benjamin White and Son.
- Bentham, George,
- Bentham-Moxon Trust.
- Berg, Peter Ulrik.
- Berggren, Jonas.
- Bergius, Peter Jonas,
- Berlèse, Lorenzo,
- Bernuset, Delamolliere, Falque et soc.
- Berry, T.
- Bertrand, Arthus.
- Bescherelle, Émile,
- Besemann, Christian Andreas,
- Bessa, Pancrace,
- Bessin, R.
- Bieler, Ambrosius Karl,
- Bigelow, Jacob,
- Bigelow, John M.
- Billiberg, Immanuel,
- Biological Society of Washington
- Bischoff, Gottlieb Wilhelm,
- Blackwell, Elizabeth,
- Blaeu, P. & J.
- Bloemaert, Cornelis,
- Blon.
- Blume, C. L.
- Blume, Karl Ludwig,
- Blumenberg, Carl Fredrik.
- Boccone, Paolo,
- Bock, Hieronymus,
- Bock, Johann Carl.
- Böcker, Hugo Herman.
- Bodin, Nils Gustaf.
- Boerhaave, Herman,
- Boerlage, Jacob Gijsbert,
- Bogner, Anton.
- Bojer, W.,
- Bondt, Jakob de,
- Bonpland, Aimé,
- Boom, Henrik & Dirk.
- Borcht, Petrus van der,
- Borromée, ?,
- Bory de Saint-Vincent,
- Bossi, Jac.
- Botanische Staatssammlung München
- Bougainville, Hyancinthe Yves Philippe Potentien,
- Bouquet.
- Bradbury & Evans.
- Bradbury, Henry Riley,
- Bradley, Richard,
- Brandsten, Gustav Fredrik.
- Brandt, Wilhelm,
- Brandza, D.
- Branström, Pehr.
- Braun, Nicolaus,
- Bretschneider, E.,
- Bridel-Brideri, Samuel Elisée de,
- Briganti, Annibale,
- British Museum (Natural History).
- Britten, James,
- Bromme, Traugott,
- Brongniart, Adolphe,
- Brook, Nathaniel.
- Brooklyn Botanic Garden.
- Brotherus, V. F.
- Brown, Robert,
- Browne, Patrick,
- Brugiere, J. G.
- Bruner, John Clay
- Brunfels, Otto,
- Bubani, Pietro,
- Buc'hoz, Pierre-Joseph,
- Buek, H. W.
- Bulmer, William,
- Burchard.
- Burman, Johannes,
- Bury, Edward,