| Call number | Item |
| Q | Science (Go to start of category) |
| QH-QR | Biological Sciences (Go to start of category) |
| QK | Botany (Go to start of category) |
| QK495 .H86 K67 1989 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) American Wildcelery (Vallisneria Americana): Ecological Considerations for Restoration, by Carl E. Korschgen and William L. Green (illustrated HTML at Wayback Machine) |
| QK495 .L15 S5 | Revision of Haplostachys, Phyllostegia, and Stenogyne (Bernice P. Bishop Museum Bulletin #136; Honolulu: The Museum, 1935), by Earl Edward Sherff (page images at HathiTrust) |
| QK495 .L52 S7 | Species Lupinorum (papers 1-40 (1938-1944) and 102-105 (1952-1953) readable online), by Charles Piper Smith (partial serial archives) |
| QK495 .N97 | Das Buch der Nymphaeaceen: oder Seerosengewächse (in German; 1907), by Friedrich Henkel, F. Rehnelt, and L. Dittmann |
| QK495 .O46 W33 2007 | Revised Classification of the Onagraceae (Systematic Botany Monographs #87; Ann Arbor: American Society of Plant Taxonomists, c2007), by Warren Lambert Wagner, Peter C. Hoch, and Peter H. Raven (PDF at Smithsonian) |
| QK495 .O6 E7 | A Check List of Fuchsias (San Francisco: American Fuchsia Society, 1936), by E. O. Essig (page images at HathiTrust) |
| QK495 .O6 R37 | Beiträge zur Systematischen Pflanzenkunde (in German; Hamburg: T.G. Meissner, 1871), by H. G. Reichenbach |
| QK495 .P47 Y8 | Revision of the Hawaiian Species of Peperomia (Bernice Bishop Museum Bulletin #112; Honolulu: The Museum, 1933), by T. G. Yuncker (page images at HathiTrust) |
| QK495 .P47 Y85 | Revision of the Polynesian Species of Peperomia (Bernice Bishop Museum Bulletin #143; Honolulu: The Museum, 1937), by T. G. Yuncker |
| QK495 .R956 K36 | Wigeongrass (Ruppia maritima L.): A Literature Review (1991), by Harold A. Kantrud (PDF at dtic.mil) |
| QK495 .S43 P43 | The Scrophulariaceae of the Western Himalayas (Academy of Natural Sciences monograph #5; 1943), by Francis W. Pennell |
| QK495 .S5 L4 1924 | The Forest Giant (London: J. Cape, c1924), by Adrien Le Corbeau, trans. by T. E. Lawrence (Gutenberg text and illustrated HTML) |
| QK495 .V38 S3 | Monographia Generis Verbasci (two parts, in Latin; 1813-1822), by H. A. Schrader (page images at HathiTrust) |
| QK495 .Y8 B3 | The Genus Youngia (Carnegie Institution of Washington publication #484, 1937), by E. B. Babcock and G. Ledyard Stebbins (page images at HathiTrust) |
| QK501 .O64 N6 | Bog-Trotting for Orchids (New York and London: G.P. Putnam's Sons, 1904), by Grace Greylock Niles |
| QK505 .Z6 | Beiträge zur Physiologie und Morphologie Niederer Organismen, aus dem Kryptogamischen Laboratorium der Universität Halle a. S. (5 volumes in 1, in German; Leipzig: A. Felix, 1892-1895), ed. by Wilhelm Zopf |
| QK514 .S9 B397 | Beiträge zur Kryptogamenflora der Schweiz (in German) (full serial archives) |
| QK514 .S9 B397 | Cryptogamica Helvetica (in German) (full serial archives) |
| QK520 .A6 | American Fern Journal (partial serial archives) |
| QK523 .C65 | Genera Filicum: The Genera of Ferns (Waltham, MA: Chronica Botanica Co., 1947), by Edwin Bingham Copeland (page images at HathiTrust) |
| QK523 .K85 | Analecta Pteridographica seu Descriptio et Illustratio Filicum aut Novarum, aut Minus Cognitarum (in Latin; Leipzig: L. Voss, 1837), by Gustav Kunze (page images at HathiTrust) |
| QK523 .P931 | Supplementum Tentaminis Pteridographiae, Continens Genera et Species Ordinum Dictorum Marattiaceae, Ophioglossaceae, Osmundaceae, Schizaeaceae et Lygodiaceae (in Latin, with foreword in German; Prague: E Typographia Caes. Reg. Aulica Filiorum A. Haase, 1845), by K. B. Presl |
| QK525 .T6 | The Fern Lover's Companion: A Guide for the Northeastern States and Canada (ca. 1922), by George Henry Tilton (Gutenberg text and illustrated HTML) |
| QK525 .W73 | Ferns of Kentucky (Louisville: Printed by J. P. Morton and Co., 1878), by John Williamson |
| QK525.5 .N4 S25 | Ferns and Fern Allies of New Hampshire (Bulletin #2; Durham, NH: New Hampshire Academy of Science, 1947), by Edith Scamman (page images at HathiTrust) |