777 titles (books/journals)
3,558 volumes
1,519,763 pages
207,548 links to protologues
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Botanicus is made possible through support from the Institute of Museum and Library Services, W.M. Keck Foundation,
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- Pabst, G.
- Paleariniano.
- Palisot de Beauvois, Ambrose-Marie-François-Joseph,
- Palmgrén, Carl Gustaf.
- Palmii, Jo. Jacobi.
- Pamplin, G.
- Panckoucke, C. L. F.
- Panckoucke, Ernestine,
- Paris, E. G.
- Parke, Davis & Company.
- Parkinson, John,
- Parry, Charles Christopher,
- Paulizky, Heinrich Felix,
- Paulus,
- Pavón, José,
- Paxton, Joseph,
- Peabody Museum of Natural History.
- Pena, Pierre,
- Penzig, O.
- Périaux, ?,
- Pernotin, B.
- Péron, Alphonse,
- Perrine, Henry,
- Perrottet, G. S.
- Persoon, C. H.
- Peter Schoeffer.
- Peterson, Peter Magnus.
- Petit, Antoine,
- Petiver, James,
- Pewtress & Co.
- Pfeiffer, Ludwig Georg Karl,
- Pfenning, Johann Caspar.
- Philip Miller.
- Philippi, Rodolfo Amando,
- Philippines.
- Phillipps, Evelyn March,
- Pichard.
- Pierre, L.
- Pieter van der Aa.
- Pingré, Alexandre Guy,
- Pirotam et Masperum.
- Piso, Willem,
- Planchon, J.-E.
- Plantijnsche Drukkerij
- Plantin, Christophe,
- Plantiniana (Ex Officina)
- Pliny,
- Plumier, Charles,
- Poeppig, Eduard Friedrich,
- Pohl, Johann Emanuel,
- Poiret, A.,
- Poiret, Jean Louis Marie,
- Poiteau, A.
- Polet, C. B.
- Pona, Giovanni,
- Poot, Abraham van,
- Post, Thomas Erik von,
- Pottier.
- Power, Frederick B.
- Preiss, Ludwig.
- PreÌvost, Florent.
- Presl, Karel Bořiwog,
- Presso di Giordano Ziletti.
- Prestele, Joseph.
- Pritzel, G. A.
- Psilander, Fredrik Christopher,
- Pursh, Frederick,