Dr Sandra Knapp

Biography

Education

1979 - 1985         Ph.D.

                               Dissertation: A Revision of Solanum
                               section Geminata (G. Don) Walpers.

                               Supervisor: Dr. M.D. Whalen
                               (deceased).

1978 - 1979         University of California, Irvine,
                               California. 

1974 - 1978         B.A.  Pomona College, Claremont,
                               California. 

Employment

2003 - present    Individual Merit Researcher, Tropical Botany, Band 2. Botany Department,
                               NHM. 

1993 - 2003         Research Botanist, Band 3, Tropical Botany. Botany Department, NHM. 

1992 - 1993         Senior Scientific Officer, Tropical Botany. Botany Department, NHM. 

1989 - 1991         Research Associate, Institute for Botanical Exploration, Mississippi State
                               University. 

1987 - 1988         NATO postdoctoral fellow, Department of Botany, British Museum (Natural
                               History). 

1986 - 1987        Collector, Flora of Perú project, Missouri Botanical Garden, St. Louis, MO
                              (based in Tarapoto, Peru). 

1985                     Herbarium assistant (general identification and curatorial duties), Bailey
                              Hortorium, Cornell University. 

1981 - 1982        Curator of the Summit Herbarium, SCZ (Panama) and collector for the Flora of
                              Panama project, Missouri Botanical Garden. 

1980 - 1983        Teaching Assistant, Cornell University: Courses taught
                              Introductory Biology (Fall 1979, Spring 1980)
                              Taxonomy of Vascular Plants (Fall 1980, Fall 1982, Fall 1983)
                              Phytogeography (Spring 1983) 

1978 - 1979        Teaching Assistant, University of California, Irvine: Courses taught;
                              Introductory Ecology (Fall 1978)
                              Systematics (Spring 1979) 

Professional Roles

Editorial Boards

2008 - present            Biological Conservation, Editorial Board
2005 - present            Anales del Instituto de Biología, Editorial Board
2005 - present            BMC Evolutionary Biology, Editorial Board
2005 - present            Taxon, Editorial Board
2001 - present            Systematics and Biodiversity; Editorial Board
2000 - present            Oryx; Editorial Board 

 

Membership in professional societies

Fellow and Member of Council, The Linnean Society of London; Member of Conservation Committee, Fauna and Flora International; American Society of Plant Taxonomists; Organization for Tropical Studies; International Association of Plant Taxonomists; Society for the Study of Evolution; Society for Systematic Biology; Systematics Association

Awards and Prizes

2004                            Prix P.J. Redouté, JASPE literary prize for books on botany/gardening;
                                     awarded for Potted Histories in the French translation Le voyage
                                     botánique.
1983 -1984                American Association of University Women Educational Foundation
                                     Fellow.
1983                           College of Agriculture and Life Sciences Outstanding Teaching Assistant
                                     award, Cornell.
1978                            Vaile Prize for Botany, Pomona College.

Research

Field Experience

Worldwide field work since the 1980s concentrating in the New World Tropics. 

 

Countries visited include 

• Argentina
• Belize
• Bolivia
• Brazil
• China
• Ecuador
• El Salvador
• Guatemala
• Mexico
• Panama
• Paraguay
• Peru
• Uganda
• Venezuela.

Public outreach

 

• Public lectures at a wide variety of venues such as the Royal Institution (Millennium Friday Evening Discourse, 2000), science festivals, schools and museums, both in the United Kingdom and internationally.
• Regular contributor to the Natural History Museum’s innovative Nature Live (scientists meet the public) programme and Membership lecture series.
• Development of exhibitions at the Natural History Museum, especially associated with the Darwin Centre.
• Regular invited guest on radio and television (BBC, commercial stations and internationally) to discuss a wide variety of topics such as taxonomy and systematics and evolution.
• Leader of work package to develop public outreach activities and dialogue for EU-SOL (an integrated project funded by the European Commission to improve food quality in Europe).
• Founding contributor to Encyclopedia of Life.
• Regular book reviewer for wide variety of publications from scientific (e.g., Nature) to general (e.g., Times Literary Supplement).

Publications

2009

• Davidse, G., M. Sousa S. & S. Knapp. ( 2009 ) W3FM: Flora Mesoamericana on-line . Flora Mesoamericana
• Garlick, A., L. Walley, H. Schoof, M. Schoen & S. Knapp. ( 2009 ) EU-SOL . EU-SOL
• Knapp, S. ( 2009 ) Darwin the natural historian. Pulse, January 2009: 1 .
• Knapp, S. ( 2009 ) Gardener’s world: a review of 'Darwin’s Garden' by Michael Boulter Systematics and Biodiversity 7 : 93 . 10.1017/S1477200008002910
• Knapp, S. ( 2009 ) Life’s crowns: a review of 'Tree of Rivers: a history of the Amazon' by John Hemming. Times Literary Supplement 5519 (9 January 2009): 3-5 .
• Knapp, S. & M. Nee. ( 2009 ) Solanum anomalostemon (Solanaceae), an endangered new species from southern Peru with unusual anther morphology Novon 19 : 178-181 .
• Knapp, S. & Q.D. Wheeler (eds.) ( 2009 ) Letters to Linnaeus . Linnean Society of London : London , .
• Walley, L. & S. Knapp ( 2009 ) Solanaceae Source: a taxonomic resource for the nightshade family . Solanaceae Source:

2008

• Knapp, S ( 2008 ) Romping through refugia. Review of 'Amazon adventure' by Paul Colinvaux Trends in Ecology and Evolution 23 : 484-485 . 10.1016/j.tree.2008.05.007
• Knapp, S. ( 2008 ) Taxonomy as a team sport. In: Wheeler, Q. (ed.), In: The New Taxonomy . Systematics Association Special Volume 76 : CRC Press , London .
• Knapp, S. ( 2008 ) Typification of Solanum (Solanaceae) species described by Sessé and Mociño. Anales del Jardín Botánico de Madrid 65 : 7-23 .
• Knapp, S. ( 2008 ) Celebrating spuds (International Year of the Potato) Science 231 : 206-207 . 10.1126/science.1159278
• Knapp, S. ( 2008 ) A revision of the Solanum havanense species group (section Geminata (G. Don) Walp. pro parte) and new taxonomic additions to the Geminata clade (Solanum: Solanaceae) Annals of the Missouri Botanical Garden 95(3) : 405-458 . 10.3417/2006159
• Knapp, S. ( 2008 ) Species concepts and floras – what are species for? Biological Journal of the Linnean Society 95 : 17-25 . 10.1111/j.1095-8312.2008.01090.x
• Knapp, S. ( 2008 ) Alfred Russel Wallace, conservation and sustainable development. In: C. Smith & G. Beccaloni (eds.), In: Natural selection and beyond: the intellectual influence of Alfred Russel Wallace . Oxford University Press : Oxford , 201-220 .
• Knapp, S. ( 2008 ) Lectotypification of Ruiz and Pavón’s names in Solanum (Solanaceae) Anales del Jardín Botánico de Madrid 65 : 307-329 .
• Knapp, S. ( 2008 ) Naming nature: the future of the Linnaean system. The Linnean Special Issue 8: 161-167 .
• Knapp, S. ( 2008 ) A new strategy for the Linnean Society of London. The Linnean 24(3): 4-7 .
• Knapp, S. ( 2008 ) In a green light, review of 'Nature’s Palette: the science of plant color' by David Lee. Times Literary Supplement 5477: 12 (21 March 2008) .
• Knapp, S. ( 2008 ) Review of 'Tropical plants of Costa Rica: a guide to native and exotic flora' by Willow Zuchowski Biological Conservation 141 : 1162 . 10.1016/j.biocon.2008.02.005
• Knapp, S. ( 2008 ) Command and control. Review of 'Imperial nature: Joseph Hooker and the practice of Victorian science' by Jim Enderby Nature 453 : 721-722 . 10.1038/453721a
• Knapp, S. ( 2008 ) Review of 'The Creation: an appeal to save life on Earth' by Edward O. Wilson Biological Journal of the Linnean Society 94 : 651 .
• Knapp, S. ( 2008 ) Review of 'Mabberley’s Plant-Book' by David Mabberley. The Plantsman n.s. 7(3): 201 .
• Knapp, S. ( 2008 ) Potatoes and poverty: review of 'Propitious esculent: the potato in world history/The True History of the Potato' by John Reader Nature 455 : 170-171 . 10.1038/455170a
• Kovarik, A., M. Dadejova, Y.K. Lim, M.W. Chase, J.J. Clarkson, S. Knapp & A.R. Leitch. ( 2008 ) Evolution of rDNA in Nicotiana allopolyploids: a potential link between rDNA homogenisation and epigenetics Annals of Botany 101 : 815-823 . 10.1093/aob/mcn019
• Mayo, S., R. Allkin, W. Baker, V. Blagoderov, I. Brake, B. Clark, R. Govaerts, H.C.J. Godfray, A. Haigh, R. Hand, K. Harman, M. Jackson, N. Kilian, D.W. Kirkup, I. Kitching, S. Knapp, G.P. Lewis, P. Malcolm-Tompkins, E. von Raab-Straube, D.M. Roberts, M. Scoble, D. Simpson, C. Smith, V. Smith, S. Villalba, L. Walley & P. Wilkin. ( 2008 ) Alpha e-taxonomy: responses from the systematics community to the biodiversity crisis. Kew Bulletin 63: 1-16 .
• Peralta, I.E., D.M. Spooner & S. Knapp. ( 2008 ) Taxonomy of wild tomatoes and their relatives (Solanum sections Lycopersicoides, Juglandifolia, Lycopersicon; Solanaceae) Systematic Botany Monographs 84 : 1-186 .
• Wang, J.-X., T.-G. Gao & S. Knapp. ( 2008 ) Ancient Chinese literature reveals pathways of eggplant domestication Annals of Botany 102 : 891-897 . 10.1093/aob/mcn179

2007

• Fay, M.F., V.E. Thomas & S. Knapp. ( 2007 ) 602. Mellissia begoniifolia (Solanaceae) Curtis’ Botanical Magazine 24 : 243-250 . 10.1111/j.1467-8748.2007.00601.x
• Granados-Tochoy, J.C., S. Knapp & C.I. Orozco. ( 2007 ) Solanum humboldtianum (Solanaceae): an endangered new species from Colombia rediscovered 200 years after its first collection Systematic Botany 32(1) : 200-207 . 10.1600/036364407780360085
• Knapp, S. ( 2007 ) Solanum coalitum (Solanaceae), a new endemic species from southern Ecuador Novon 17 : 212-216 . 10.3417/1055-3177(2007)17[212:SCSANE]2.0.CO;2
• Knapp, S. ( 2007 ) Some like it hot Science 315 : 946-947 . 10.1126/science.1138308
• Knapp, S. ( 2007 ) Lectotypification of Cavanilles’ names in Solanum (Solanaceae) Anales del Jardín Botánico de Madrid 64 : 195-203 .
• Knapp, S. ( 2007 ) The description of Solanum and other Solanaceae collected by Humboldt and Bonpland: a case study of collaboration versus competition in 19th century taxonomy. Botanische Jahrbücher für Systematik Pflanzengeschichte und Pflanzengeographie 127(2) : 117-132 . Pflanzengeschichte und Pflanzengeographie
• Knapp, S. ( 2007 ) Biology before Darwin. In Birch, J. & J. Lee (eds), In: Joseph Priestley a celebration of his life and legacy . The Priestley Society : Scotforth Books, Lancaster , 206-213 .
• Knapp, S. ( 2007 ) The man who named life was born: 23 May 1707. BBC History (895): 13 .
• Knapp, S. ( 2007 ) Linnaeus’ legacy: 300 years of naming nature. The Linnean Society of London, London. (pamphlet) .
• Knapp, S. ( 2007 ) Asa Gray. In Huxley, R. (ed.), In: Great Natural Historians . Thames and Hudson 186-291 .
• Knapp, S. ( 2007 ) Alfred Russel Wallace. In Huxley, R. (ed.), In: Great Natural Historians . Thames and Hudson 277-295 .
• Knapp, S. ( 2007 ) Jean Baptiste Pierre Antoine Demonet de Lamarck. In Huxley, R. (ed.), In: Great Natural Historians . Thames and Hudson 190-196 .
• Knapp, S. ( 2007 ) George-Louis Leclerc, Comte de Buffon. In Huxley, R. (ed.), In: Great Natural Historians . Thames and Hudson 140-148 .
• Knapp, S. ( 2007 ) El orden en la naturaleza: clasificación y filogenia. In San Pio de Aladrén, P. (ed.), In: Van Berkhey: una coleccion de dibujos . Lunwerg Editores : Madrid , 20-35 .
• Knapp, S. ( 2007 ) Review of 'Plant conservation: an ecosystem approach' by Alan Hamilton and Patrick Hamilton Biological Conservation 135 : 594 . 10.1016/j.biocon.2006.11.004
• Knapp, S. ( 2007 ) Review of 'The Emerald Planet' by David Beerling Biological Conservation 139 : 231 . 10.1016/j.biocon.2007.06.020
• Knapp, S. ( 2007 ) Gone but certainly not forgotten! A review of three books about Alfred Russel Wallace Biological Journal of the Linnean Society 92 : 195-196 . 10.1111/j.1095-8312.2007.00767.x
• Knapp, S. ( 2007 ) Review of 'Perú: Matsés. Rapid Biological Inventories Report 16' edited by C. Vriesendorp, N. Pitman, J.I. Rojas Moscoso, B.A. Pawlak, L. Rivera Chávez, L. Calixto Méndez, M. Vela Collantes & P. Fasabi Rimachi Biological Conservation 140 : 192 . 10.1016/j.biocon.2007.07.023
• Knapp, S. ( 2007 ) Review of 'Flora Genérica des los Páramos' by P. Sklenář, P. et al Botanical Journal of the Linnean Society 154 : 609 . 10.1111/j.1095-8339.2007.00655.x
• Knapp, S. ( 2007 ) Review of 'All Creatures: naturalists, collectors and biodiversity, 1850-1950' by Robert E. Kohler Biological Journal of the Linnean Society 93 : 786-787 . 10.1111/j.1095-8312.2007.00768.x
• Knapp, S. & S. Cafferty. ( 2007 ) Linnaeus’s collections go on-line. Science and Public Affairs June 2007: 27 .
• Knapp, S., A. Polaszek & M. Watson. ( 2007 ) Spreading the word Nature 446 : 261-262 . 10.1038/446261a
• Knapp, S., D.M. Spooner & B. León. ( 2007 ) Solanaceae endémicas del Perú. In B. León et al. (eds.) Libro Rojo de las plantas endémicas del Perú. Revista Peruana de Biología, número especial 13(2): 612-643 .
• Peralta, I.E., S. Knapp & D.M. Spooner. ( 2007 ) Solanum arcanum Peralta, Solanum cheesmaniae (L. Riley) Fosberg, Solanum chilense (Dunal) Reiche, Solanum chmielewskii (C.M.Rick, Kesicki, Fobes & M.Holle) D.M.Spooner, G.J.Anderson & R.K.Jansen, Solanum corneliomulleri J.F.Macbr., Solanum galapagense S.C.Darwin & Peralta, Solanum habrochaites S.Knapp & D.M.Spooner, Solanum huaylasense Peralta, Solanum juglandifolium Dunal, Solanum lycopersicoides Dunal, Solanum lycopersicum L., Solanum neorickii D.M.Spooner, G.J.Anderson & R.K.Jansen, Solanum ochranthum Dunal, Solanum pennellii Correll, Solanum peruvianum L., Solanum pimpinellifolium L., Solanum sitiens I.M.Johnst. In Solanaceae Source: a taxonomic resource for the nightshade family . Solanaceae Source
• Willis, K.J., L. Gillson & S. Knapp (eds.) ( 2007 ) Biodiversity hotspots through time: using the past to manage the future: special issue Philosophical Transactions of the Royal Society, series B, Biological Sciences 362 : 169-333 .
• Willis, K.J., L. Gillson & S. Knapp. ( 2007 ) Biodiversity hotspots through time: an introduction Philosophical Transactions of the Royal Society, series B, Biological Sciences 362 : 169-174 . 10.1098/rstb.2006.1976

2006

• De Egea, J., M. Peña-Chocarro, M. Vera, H. Maturo & S. Knapp ( 2006 ) Arboles y arbustos del Chaco Húmedo . Editorial GZR, Asunción : Paraguay , .
• Knapp, S. ( 2006 ) Solanum naucinum S.Knapp, Solanum sumacaspi S.Knapp, Solanum simile F.Muell., Solanum linearifolium Geras. ex Symon, Solanum aviculare G.Forst., Solanum laciniatum Aiton, Solanum capsiciforme (Domin) Baylis, Solanum multivenosum Symon, Solanum vescum F.Muell., Solanum symonii H.Eichler, Solanum trisectum Dunal, Solanum punctulatum Dunal, Solanum herculeum Bohs, Solanum nava Webb & Berthel., Solanum refractifolium Sendtn. in Solanaceae Source: a taxonomic resource for the nightshade family . Solanaceae Source
• Knapp, S. ( 2006 ) What is a garden for? The Garden 131(10): 705 .
• Knapp, S. ( 2006 ) Review of 'The Natural History of Madagascar', edited by S.M. Goodman & J.P. Benstead Biological Conservation 130 : 616 . 10.1016/j.biocon.2006.01.012
• Knapp, S. ( 2006 ) Review of 'Tropical rainforests: past, present and future', edited by E. Bermingham, C.W. Dick & C. Mortiz. Oryx 40: 118 .
• Knapp, S. ( 2006 ) Review of 'Community forests of Mexico: managing for sustainable landscapes' edited by D.B. Bray, L. Merino-Perez & D. Barton Biological Conservation 132(3) : 406-407 . 10.1016/j.biocon.2006.05.011
• Knapp, S. ( 2006 ) Blast from the past: review of 'The science of describing: natural history in Renaissance Europe' by Brian W. Ogilvie Nature 442 : 871 . 10.1038/442871b
• Knapp, S. ( 2006 ) Alien empire. A review of 'Alien species and evolution: the evolutionary ecology of exotic plants, animals, microbes and interacting native species' by George W. Cox. Biodiversity and Systematics 4 : 503-504 .
• Knapp, S. ( 2006 ) Review of 'Richard Spruce: naturalist and explorer' by Michael B. Pearson. Archives of Natural History 33: 372-373 .
• Knapp, S. & G. Davidse. ( 2006 ) Flora of Guatemala revisited. In: E.B. Cano (ed.), In: Biodiversidad de Guatemala Volumen 1 . Universidad del Valle de Guatemala : Guatemala City , 25-47 .
• Knapp, S. & S.C. Darwin. ( 2006 ) (1736) Proposal to conserve the name Solanum cheesmaniae (L. Riley) Fosberg against S. cheesemanii Geras. (Solanaceae) Taxon 55(3) : 806-807 .
• Knapp, S., K. Wilson & M. Watson. ( 2006 ) Electronic publication Taxon 55 : 2-3 .
• Knapp, S., M.J. Stafford & M. Martínez ( 2006 ) A checklist of the Solanaceae of Guatemala. In: E.B. Cano (ed.), In: Biodiversidad de Guatemala Volumen 1 . Universidad del Valle de Guatemala : Guatemala City , 259-282 .
• Lim, K.Y., A. Kovarik, R. Matyasek, M.W. Chase, S. Knapp, J.J. Clarkson & A.R. Leitch. ( 2006 ) Comparative genomics and repetitive sequence divergence in the diploid Nicotiana section Alatae (Solanaceae) The Plant Journal 48 : 907-919 . 10.1111/j.1365-313X.2006.02930.x
• Nee, M., L. Bohs & S. Knapp. ( 2006 ) New species of Solanum and Capsicum (Solanaceae) from Bolivia, with clarification of nomenclature in some Bolivian Solanaceae Brittonia 58 : 322-356 . 10.1663/0007-196X(2006)58[322:NSOSAC]2.0.CO;2
• Peralta, I.E., S. Knapp & D. M. Spooner. ( 2006 ) Nomenclature for wild and cultivated tomatoes. Tomato Genetics Research Cooperative 56: 6-12 .
• Stafford, P. & S. Knapp. ( 2006 ) Pollen morphology and systematics of the zygomorphic-flowered nightshades (Solanaceae; Salpiglossideae sensu D’Arcy, 1978 and Cestroideae sensu D’Arcy, 1991 pro parte): a review. Systematics and Biodiversity 4 : 173-201 . 10.1017/S1477200005001787

2005

• Clarkson, J.J., K.Y. Lim, A. Kovarik, M.W. Chase, S. Knapp & A.R. Leitch. ( 2005 ) Long-term genome diploidization in allopolyploid Nicotiana section Repandae (Solanaceae) New Phytologist 168 : 241-252 . 10.1111/j.1469-8137.2005.01480.x
• Knapp, S. ( 2005 ) Biogeography – space, form and time Journal of Biogeography 32 : 3-4 . Biogeography – space, form and time
• Knapp, S. ( 2005 ) Taxonomic additions for Solanum section Geminata (Solanaceae) in Peru Annals of the Missouri Botanical Garden 92 : 248-253 . Annals of the Missouri Botanical Garden
• Knapp, S. ( 2005 ) Daffodils. Gardens Illustrated, February 2005: 28-30 .
• Knapp, S. ( 2005 ) Petal power. Gardens Illustrated, March 2005: 20-22 .
• Knapp, S. ( 2005 ) Tulip tales. Gardens Illustrated, April 2005: 22-34 .
• Knapp, S. ( 2005 ) Paeonia. Gardens Illustrated, May 2005: 28-30 .
• Knapp, S. ( 2005 ) Poppies. Gardens Illustrated, June 2005: 29-32 .
• Knapp, S. ( 2005 ) Passionflower. Gardens Illustrated, July 2005: 26-38 .
• Knapp, S. ( 2005 ) Grasses. Gardens Illustrated, Auust 2005: 28-30 .
• Knapp, S. ( 2005 ) A suitable job for a woman Trends in Ecology and Evolution 20 : 55-56 .
• Knapp, S. ( 2005 ) You say tomato, I say tomato: new species discovery in a well-known group. Waterhouse Times 50: 11 .
• Knapp, S. ( 2005 ) Review of 'Tropical forest diversity and dynamism' edited by E. Losos and E.G. Leigh Biological Conservation 124 : 555-557 . 10.1016/j.biocon.2005.02.007
• Knapp, S. ( 2005 ) Journal Club. 'Take a leaf out of a taxonomist’s book and read about development pathways in plants' Nature 437 : 455 . 10.1038/437454a
• Knapp, S. & B. Press ( 2005 ) The Gilded Canopy: botanical ceiling panels of the Natural History Museum . Natural History Museum : London , .
• Knapp, S. & J. Mallet. ( 2005 ) A night out with the nerds PloS Biology 3(9) : e325 . 10.1371/journal.pbio.0030325
• Knapp, S., E. Nic Lughadha & A. Paton. ( 2005 ) Taxonomic inflation, species concepts and global species lists Trends in Ecology and Evolution 20 : 7-8 . 10.1016/j.tree.2004.11.001
• Knapp, S., M.J. Short, M. Sousa-Peña & M. Martínez. ( 2005 ) A preliminary names list for the Solanaceae of Mesoamerica. In: R. C. Keating, V. C. Hollowell & T. B. Croat (eds.), In: A Festschrift for William G. D’Arcy: The Legacy of a Taxonomist. Monogr. Syst. Bot. Vol. 104 . Missouri Botany Garden : Missouri , 71-116 .
• MacVean, A. & S. Knapp. ( 2005 ) Langsdorffia hypogeaea Mart. (Balanophoraceae): un nuevo género y especie para Guatemala. Brenesia 63-64: 129-130 .
• Peralta, I.E., D.M. Spooner & S. Knapp. ( 2005 ) New species of wild tomatoes (Solanum section Lycopersicum: Solanaceae) from northern Peru Systematic Botany 30(2) : 424-434 . 10.1600/0363644054223657
• Spooner, D.M., I.E. Peralta & S. Knapp. ( 2005 ) AFLP phylogeny of wild tomatoes [Solanum L. section Lycopersicon (Mill.) Wettst. subsection Lycopersicon] Taxon 54 : 43-61 .
• Zhang, Z.-Y., D.-Z. Yang, A.-M. Lu & S. Knapp. ( 2005 ) Seed morphology of the tribe Hyoscyameae (Solanaceae) Taxon 54 : 71-83 .

2004

• Clarkson, J. J., S. Knapp, S. Aoki, V.F. Garcia, R.G. Olmstead, A.R. Leitch & M.W. Chase. ( 2004 ) Phylogenetic relationships in Nicotiana (Solanaceae) inferred from multiple plastid DNA regions Molecular Phylogenetics and Evolution 33 : 75-90 . 10.1016/j.ympev.2004.05.002
• Godfray, H.C.J. & S. Knapp. ( 2004 ) Introduction, Taxonomy for the 21st century Philosophical Transactions of the Royal Society, series B, Biological Sciences 359 : 559-569 . 10.1098/rstb.2003.1457
• Godfray, H.C.J. & S. Knapp. (eds) ( 2004 ) Taxonomy for the 21st century: special issue Philosophical Transactions of the Royal Society, series B, Biological Sciences 359 : 559-739 .
• Knapp, S. ( 2004 ) Winteraceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Knapp, S. ( 2004 ) Systematics: a science of three parts. NHM, The Magazine for supporters of the Natural History Museum 4: 10-13 .
• Knapp, S. ( 2004 ) Waterlilies. Gardens Illustrated, October 2004: 26-28 .
• Knapp, S. ( 2004 ) Irises. Gardens Illustrated, November 2004: 26-28 .
• Knapp, S. ( 2004 ) Conifers. Gardens Illustrated, December 2004/January 2005: 30-32 .
• Knapp, S. ( 2004 ) Seaweed cyanotypes: a review of 'Ocean Flowers'. Scientific American 92: 573-575 .
• Knapp, S. ( 2004 ) Field guides and phylogenies: a review of 'Flowers of Ethiopia and Eritrea: aloes and other lilies' Nature 431 : 742 . 10.1038/431742a
• Knapp, S. & J.J.Clarkson. ( 2004 ) (1642) Proposal to conserve the name Nicotiana plumbaginifolia against N. pusilla, N. humilis and N. tenella (Solanaceae) Taxon 53 : 844-846 .
• Knapp, S., G. Lamas, E. Nic Lughadha & G.Novarino ( 2004 ) Stability or stasis in the names of organisms: the evolving Codes of nomenclature Philosophical Transactions of the Royal Society, series B, Biological Sciences 359 : 611-622 . 10.1098/rstb.2003.1445
• Knapp, S., J.J. Clarkson & M.W. Chase. ( 2004 ) Nomenclatural changes and a new sectional classification in Nicotiana (Solanaceae) Taxon 53 : 73-82 . Taxon
• Knapp, S., L. Bohs, M. Nee & D.M. Spooner. ( 2004 ) Solanaceae: a model for linking genomics and biodiversity Comparative and Functional Genomics 5 : 285-291 . 10.1002/cfg.393
• Knapp,S. ( 2004 ) Toxins, Tonics and trips – review of 'Dangerous Garden' by David Stuart. Times Higher Educational Supplement 1649. 16 July 2004 .
• Kovarik A., R. Matyasek, Y.K. Lim, K. Skalicka, B. Koukalova, S. Knapp, M.W. Chase & A.R. Leitch. ( 2004 ) Concerted evolution of 18-5.8-26S rDNA repeats in Nicotiana allotetraploids Biological Journal of the Linnean Society 82 : 615-625 . 10.1111/j.1095-8312.2004.00345.x
• León, B., T. Durt, S. Grant, D. Zappi & S. Knapp. ( 2004 ) Conectando el pasado: Richard Spruce, su legado y el Internet Arnaldoa 10(2) : 109-118 .
• Pennington, T.D., A.K.,Monro, S.P. Thornton-Wood & S. Knapp. ( 2004 ) Sapotaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana

2003

• Chase, M.W., S. Knapp, A.V. Cox, J.J. Clarkson, Y. Butsko, J. Joseph, V. Savolainen & A.S. Parokonny. ( 2003 ) Molecular systematics, GISH and the origin of hybrid taxa in Nicotiana (Solanaceae) Annals of Botany 92 : 107-127 . Annals of Botany
• Darwin, S.C., S. Knapp & I.E. Peralta. ( 2003 ) Tomatoes in the Galápagos Islands: morphology of native and introduced species of Solanum section Lycopersicon (Solanaceae) Systematics and Biodiversity 1 : 29-54 . 10.1017/S1477200003001026
• Knapp, S. ( 2003 ) Potted Histories: an artistic voyage through plant exploration. Scriptum Editions/NHM. [translated and released internationally as: Knapp, S. 2003. Le voyage botanique. Editions Mengès, Paris. (transl. F. Daber & F. Fraisse), winner of Prix P.J. Redouté 2004; Knapp, S. 2003. Plant discoveries: a botanist’s voyage through plant exploration. Firefly Books, Toronto; Knapp, S. 2004. Das Blüten Museum: wo Kunst und Wissenschaft sich Zauberhaft Vereinen. GEO Frederking & Thaler, Munich (transl. E. Dempewolf & C. Kennerknecht)]. .
• Knapp, S. ( 2003 ) Concepts - Dynamic diversity Nature 422 : 475 . 10.1038/422475a
• Knapp, S. ( 2003 ) Balanophoraceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Knapp, S. ( 2003 ) Rafflesiaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Knapp, S. ( 2003 ) Outdoor pursuits: lifelines Nature 423 : 590 .
• Knapp, S. ( 2003 ) Phylogenesis and the tree of life. In: Cache, B.,  De Landa, M., Knapp, S., Kwinter, S., Mertins, D., Wigley, M., Moussavi, F., Zaera-Polo, A & FOA, In: Phylogenesis: foa’s ark: foreign office architects . Actar, Barcelona & ICA : London , 638-647 .
• Knapp, S. ( 2003 ) The balance of nature or nature in the balance? NHM, The Magazine for supporters of the Natural History Museum 3, Winter 2003: 14-17 .
• Knapp, S. & J. Hardner. ( 2003 ) Review of 'Making parks work: strategies for preserving tropical nature' Biological Conservation 11 : 278-279 . 10.1016/S0006-3207(02)00247-1
• Knapp, S. & J. Mallet. ( 2003 ) Refuting refugia? Science 300 : 71-72 . 10.1126/science.1083007
• Sykorova, E., K.Y. Lim, M.W. Chase, S. Knapp, I.J. Leitch, A.R. Leitch & J. Fajkus. ( 2003 ) The absence of Arabidopsis-type telomeres in Cestrum and closely related genera Vestia and Sessea (Solanaceae): first evidence from eudicots The Plant Journal 34 : 1-9 . The Plant Journal

2002

• Durt, T., S. Grant, S. Knapp, B. León & D. Zappi. ( 2002 ) The Richard Spruce Project Endeavour 26(4) : 125 . 10.1016/S0160-9327(02)01464-3
• Khan, R. & S. Knapp. ( 2002 ) Achatocarpaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Knapp, S. ( 2002 ) Words essay: Fact and fantasy Nature 415 : 479 . 10.1038/415479a words
• Knapp, S. ( 2002 ) Solanum section Geminata (G. Don) Walpers (Solanaceae) Flora Neotropica 84 : 1-405 .
• Knapp, S. ( 2002 ) Assessing patterns of plant endemism in Neotropical uplands Botanical Review 68(1) : 22-37 . 10.1663/0006-8101(2002)068[0022:APOPEI]2.0.CO;2
• Knapp, S. ( 2002 ) Floral diversity and evolution in the Solanaceae. In: Q.C.B. Cronk, R.M. Bateman & J.A. Hawkins (eds.), In: Developmental genetics and plant evolution . Taylor & Francis : London , 267-297 .
• Knapp, S. ( 2002 ) A new combination in Morella (Myricaceae) in Mesoamerica Novon 12 : 200 . Novon
• Knapp, S. ( 2002 ) Tobacco to tomatoes: a phylogenetic perspective on fruit diversity in the Solanaceae Journal of Experimental Botany 53 : 2001-2022 . Journal of Experimental Botany
• Knapp, S. ( 2002 ) Review of 'Protecting the commons: a framework for resource management in the Americas' Biological Conservation 106 : 139-140 . 10.1016/S0006-3207(01)00237-3
• Knapp, S. ( 2002 ) The quest for the Jesuit's bark. Review of 'The fever trail: the hunt for the cure for malaria' Nature 418 : 820-821 . 10.1038/418820a
• Knapp, S. ( 2002 ) Review of 'The unified neutral theory of biodiversity and biogeography' Biological Conservation 110 : 305 . 10.1016/S0006-3207(02)00228-8
• Knapp, S. & M.G. Gilbert. ( 2002 ) Proposal to conserve the name Diospyros discolor Willd. against Diospyros philippensis (Desr.) Gürke Taxon 51 : 579-580 .
• Knapp, S., L. Sanders & W. Baker. ( 2002 ) Alfred Russel Wallace and the palms of the Amazon. Palms 46: 109-119 .
• Sidwell, K.S. & S. Knapp. ( 2002 ) A new species of Oxalis (Oxalidaceae) from El Salvador Novon 12 : 90-93 . Novon
• Smith, S.D. & S. Knapp ( 2002 ) The natural history of reproduction in Solanum and Lycianthes (Solanaceae) in a subtropical moist forest. Bulletin of the Natural History Museum, London, Botany 32: 125-136 .
• Sutton, S.Y. & S. Knapp. ( 2002 ) Myricaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Young, K., C. Ulloa, J.L. Luteyn, & S. Knapp (eds.) ( 2002 ) Plant Evolution and Endemism in Andean South America. Special issue, Botanical Review 68 (1): 1-188 .
• Young, K., C. Ulloa, J.L. Luteyn, & S. Knapp. ( 2002 ) Plant evolution and endemism in Andean South America: an introduction Botanical Review 68(1) : 1-21 . 10.1663/0006-8101(2002)068[0004:PEAEIA]2.0.CO;2

2001

• Knapp, S. ( 2001 ) Leicester and evolution: the story of Alfred Russel Wallace in the Amazon Transactions of the Leicester Literary and Philosophical Society 95 : 13-14 .
• Knapp, S. ( 2001 ) Brunelliaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Knapp, S. ( 2001 ) Mitrastemonaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Knapp, S. ( 2001 ) Is morphology dead in Solanum taxonomy? In: Van den Berg, R.G., G.W.M. Barendse, G.M. van der Weerden & C. Mariani (eds.), In: Solanaceae V: advances in taxonomy and utilization . Nijmegen University Press : Nijmegen , 23-38 .
• Knapp, S. ( 2001 ) Solanum uleanum. Curtis’s Botanical Magazine 18: 194-199 .
• Knapp, S. ( 2001 ) The Solanaceae as food: a natural history of the potato family. Fathom on-line learning. . Fathom
• Knapp, S. ( 2001 ) Leicester and evolution: the story of Alfred Russel Wallace in the Amazon. Transactions of the Leicester Literary and Philosophical Society 95: 13-14 .
• Knapp, S. ( 2001 ) Paradise regained: a review of the Eden project Science 292 : 2017-2018 . 10.1126/science.1061343
• Knapp,S., G. Davidse & M. Sousa S. ( 2001 ) . Proyectos floristicos hoy y mañana: su importancia en la sistemática y la conservación. In: H.M.Hernandez, A.N. Garcia Aldrete, F. Alvarez y M. Ulloa (eds), In: Enfoques contemporaneos para el estudio de la biodiversidad . Instituto de Biología, UNAM : Mexico , 331-358 .
• Marshall, J.A., S. Knapp, M.R. Davey, J.B. Power, E.C. Cocking, M.D. Bennett & A.V. Cox. ( 2001 ) Molecular systematics of Solanum section Lycopersicum (Lycopersicon) using the nuclear ITS DNA region Theoretical and Applied Genetics 103 : 1216-1222 . 10.1007/s001220100671
• Whitefoord, C. & S. Knapp. ( 2001 ) . Ebenaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana

2000

• Jiménez, B., S. Knapp, G. Marín & M. Peña-Chocarro. ( 2000 ) Listado preliminar de plantas vasculares de la Reserva Natural del Bosque Mbaracayú, Paraguay. Rojasiana 5(2):101-290 .
• Jiménez, Q. & S. Knapp. ( 2000 ) A new species of Heisteria (Olacaceae) from Mesoamerica. Bulletin of the Natural History Museum, London (Botany) 30: 1-5 .
• Knapp, S. ( 2000 ) Revision of the Solanum thelopodium species group (section Anthoresis sensu Seithe, pro parte): Solanaceae. Bulletin of the Natural History Museum, London (Botany) 30: 13-30 .
• Knapp, S. ( 2000 ) Quiinaceae. In Davidse, G, M. Sousa-Sánchez & S. Knapp (editores generales), Flora Mesoamericana: W3FM . Flora Mesoamericana
• Knapp, S. ( 2000 ) Millennium Essay: What’s in a name? Nature 408 : 33 . 10.1038/35040663 Millennium Essay
• Knapp, S. ( 2000 ) . C.D. Adams - the tropical biologist. Fern Gazette 16: 5-8 .
• Knapp, S. ( 2000 ) Review of 'Central America: a natural and cultural history' Biological Conservation 93 : 139-143 . 10.1016/S0006-3207(99)00101-9
• Knapp, S. ( 2000 ) Review of 'Maintaining biodiversity in forest ecosystems' Biological Conservation 93 : 393-395 . 10.1016/S0006-3207(99)00124-X
• Knapp, S. ( 2000 ) Sex, leaves and rock and roll. Review of 'The ingenious Mr. Fairchild: forgotten father of the flower garden' Nature 405 : 885-886 . 10.1038/35016141
• Knapp, S. ( 2000 ) Wet and Wild – a review of The Wetland Centre Science 289 : 877 . 10.1126/science.289.5481.877
• Knapp, S. ( 2000 ) Review of 'Solanaceae IV: Advances in Biology and Utilization'. Kew Bulletin 55: 763-764 .
• Knapp, S. ( 2000 ) Trailing nature (review of children’s books) Nature 408 : 518-519 . 10.1038/35046153
• Knapp, S. ( 2000 ) Horribly fun and dreadfully popular! Nature 408 : 522 . 10.1038/35046167
• Knapp, S., P.J. Stafford & V. Persson. ( 2000 ) Pollen morphology in the Anthocercideae (Solanaceae). Kurtziana 28: 7-18 .
• Marín, G., B. Jiménez, M. Peña-Chocarro & S. Knapp. ( 2000 ) Plantas medicinales de al comunidad indígena Ava Katueté, Tekoha Ka’aguy Ryapu . NHM/FMB, Asunción : Paraguay , .

1999

• Knapp, S ( 1999 ) Footsteps in the Forest: Alfred Russel Wallace in the Amazon . Natural History Museum : London , .
• Knapp, S. ( 1999 ) Ebenaceae, In Jørgensen, P.M. & S. León-Yánez (eds.), In: Catalogue of the Vascular Plants of Ecuador . Missouri Botanical Garden : St. Louis, MO , 440 .
• Knapp, S. ( 1999 ) A new name and a new lectotypification in Neotropical plants (Ebenaceae, Solanaceae) Novon 9 : 524-525 . Novon
• Knapp, S. ( 1999 ) NHM research in Central America - a flying visit. NHM, The Magazine for Members of The Natural History Museum 14, Winter 1999: 8-9 .
• Knapp, S. & D.M. Spooner. ( 1999 ) A new name for a common Ecuadorian and Peruvian wild tomato species Novon 9 : 375-376 . Novon
• Persson, V., S. Knapp & S. Blackmore. ( 1999 ) Pollen morphology and the phylogenetic analysis of Datura L. and Brugmansia Pers. In Nee, M., D.E. Symon, R.N. Lester & J.P. Jessop (Eds.), In: Solanaceae IV: Advances in Biology and Utilization . Royal Botanic Gardens Kew : Richmond Surrey , 171-187 .
• Peña Chocarro, M., B. Jiménez, G. Marín & S. Knapp. ( 1999 ) Checklist of the pteridophytes of the Mbaracayú Forest Nature Reserve, Paraguay. Fern Gazette 15(7): 221-259 .
• Peña-Chocarro, M., G. Marín, B. Jiménez & S. Knapp ( 1999 ) Helechos de Mbaracayú: una guía de las pteridofitas de la Reserva Natural del Bosque Mbaracayú, Paraguay . Natural History Museum : London , .
• Sastre, C., C. Whitefoord & S. Knapp. ( 1999 ) A new species of Elvasia (Ochnaceae) from Mesoamerica with discussion of subgeneric classification and phytogeography Novon 9 : 253-256 . Novon
• Short, M. & S. Knapp. ( 1999 ) Solanaceae, In Jørgensen, P.M. & S. León-Yánez (eds.), In: Catalogue of the Vascular Plants of Ecuador . Missouri Botanical Garden : St. Louis, MO , 900-918 .

1998

• Knapp, S. ( 1998 ) New species and notes on the natural history of Markea (Solanaceae) from Colombia and Ecuador Novon 8 : 152-161 . Novon
• Knapp, S. ( 1998 ) Hurricane Mitch: Field Report. Waterhouse Times 20: 3 .
• Knapp, S. ( 1998 ) Plant roots: review of P. Kenrick & P.R. Crane 'The origin and early evolution of land plants - a cladistic study' Nature 392 : 773 . 10.1038/33843
• Knapp, S. & J. Mallet. ( 1998 ) A new species of Passiflora (Passifloraceae) from Ecuador with notes on the natural history of its herbivore, Heliconius (Lepidoptera: Nymphalidae: Heliconiiti) Novon 8 : 162-166 . Novon
• Knapp, S., V. Persson & S. Blackmore. ( 1998 ) Pollen morphology and functional dioecy in Solanum (Solanaceae) Plant Systematics and Evolution 210 : 113-139 . 10.1007/BF00984731
• Marín, G., B. Jiménez, M. Peña-Chocarro & S. Knapp. ( 1998 ) Plantas Comunes de Mbaracayú: una guía de las plantas de la Reserva Natural del Bosque Mbaracayú, Paraguay . Natural History Museum : London , .
• Plowman, T.C. (ed. S. Knapp & J.R. Press). ( 1998 ) A revision of the South American species of Brunfelsia (Solanaceae Fieldiana, Botany n.s. 39 : 1-135 .
• Ungricht, S., S. Knapp & J.R. Press. ( 1998 ) A revision of Mandragora L. (Solanaceae). Bulletin of the Natural History Museum, London (Botany) 28(1): 17-40 .

1997

• Hoare, A.L. & S. Knapp. ( 1997 ) A phylogenetic conspectus of the tribe Hyoscyameae: Solanaceae. Bulletin of the Natural History Museum, London (Botany) 27: 11-29 .
• Jiménez, B. & S. Knapp. ( 1997 ) Palms of the Reserva Natural del Bosque Mbaracayú, Paraguay (Mbaracayú Natural Forest Reserve). Principes 42(2): 65-79 .
• Knapp, S. ( 1997 ) Two new species of Diospyros (Ebenaceae) from Mesoamerica Novon 7 : 256-260 . Novon
• Knapp, S. ( 1997 ) Paradise lost? A review of 'One River: Science, Adventure and Hallucinogenics in the Amazon Basin' by Wade Davis Trends in Ecology and Evolution 12(8) : 327 . 10.1016/S0169-5347(97)89922-3
• Knapp, S. & A. Mallet. ( 1997 ) Microcosmos - a review Trends in Ecology and Evolution 12(8) : 415 . 10.1016/S0169-5347(97)87400-9
• Knapp, S. & T. Helgason. ( 1997 ) A revision of Solanum section Pteroidea: Solanaceae. Bulletin of the Natural History Museum, London (Botany) 27: 31-73 .
• Knapp, S., V. Persson & S. Blackmore. ( 1997 ) A phylogenetic conspectus of the tribe Juanulloeae (Solanaceae) Annals of the Missouri Botanical Garden 84 : 67-89 .
• Knight, N. & S. Knapp ( 1997 ) Flora . Schirmer-Mosel Verlag .
• Salick, M.J., N. Cellinese & S. Knapp. ( 1997 ) Indigenous diversity of cassava: Generation, maintenance, use and loss among the Ameusha, Peruvian Upper Amazon Economic Botany 51(1) : 6-19 . 10.1007/BF02910400

1996

• Knapp, S. ( 1996 ) New Andean Species of Solanum section Geminata (Solanaceae) Novon 6(1) : 28-32 . Novon
• Knapp, S. ( 1996 ) Taxonomy in practice: review of 'A Field Guide to the Families and Genera of Woody Plants of Northwest South America' Trends in Plant Science 1(9) : 319 . 10.1016/S1360-1385(96)88179-0
• Knapp, S. & B. Press. ( 1996 ) 'Introduction' (pp. 179-180), 'Plants: Plant Varieties' (pp. 180-181), 'Plants Structure and Function' (pp. 181), 'Plants: Agricultural and Medicinal Plants' (pp. 182-183). In: Best Books: Experts Choose Their Favourites. Helicon Publishing, Oxford. .
• Turland, N., S. Knapp & W. D’Arcy. ( 1996 ) (1273) Proposal to reject the name Solanum quercifolium (Solanaceae) Taxon 45 : 713-714 .

1995

• Bruneau, A., E.E. Dickson & S. Knapp. ( 1995 ) Congruence of chloroplast DNA restriction site characters with morphological and isozyme data in Solanum section Lasiocarpa Canadian Journal of Botany 73 : 1151-1167 . Canadian Journal of Botany
• Davidse, G., M. Sousa S. & S. Knapp (eds.) ( 1995 ) Flora Mesoamericana. Volumen 1. Psilotaceae a Salviniaceae . Instituto de Biología, UNAM : México , 1-470 .
• Knapp, S. ( 1995 ) New taxa and combinations in the Juanulloeae (Solanaceae) Novon 5 : 281-283 . Novon
• Knapp, S. ( 1995 ) Botanical roots -- reviews of 'A Passion for Plants” and “Guide to Families of Flowering Plants' Nature 374 : 604 . 10.1038/374604b0
• Knapp, S. ( 1995 ) Review of 'Flora Neotropica Monograph 63. Cyphomandra (Solanaceae)' Botanical Journal of the Linnean Society 117 : 169-170 .
• Knapp, S. ( 1995 ) Review of 'Flora Neotropica Monograph 63. Cyphomandra (Solanaceae)'.Kew Bulletin 50(3): 660 .
• Knapp, S. ( 1995 ) Depicting the facts of life. -- review of children’s books on the natural sciences Nature 378 : 315-317 . 10.1038/378315a0
• Knapp. S. ( 1995 ) Review of 'Ethnobotany and the Search for New Drugs' Endeavour 19(1) : 46 . Endeavour

1994

• Davidse, G., M. Sousa S. & A.O. Chater (eds.) (as sub-editor on this volume) ( 1994 ) Flora Mesoamericana. Volumen 6. Alismataceae a Cyperaceae . Instituto de Biología, UNAM : Mexico , 1-543 .
• Persson, V., S. Knapp & S. Blackmore. ( 1994 ) Pollen morphology and systematics of the tribe Juanulloeae A.T. Hunziker (Solanaceae). Review of Palaeobotany and Palynology 83: 1-30 .

1993

• Knapp, S. ( 1993 ) Review of 'Martinique Revisited: The changing plant geographies of a West Indian island'. Journal of Tropical Ecology. 9(1): 120 .
• Knapp, S. & W.G. D'Arcy. ( 1993 ) Rahowardiana globifera (Solanaceae), a new species from Colombia Novon 3(4) : 429-430 .

1992

• Knapp, S. ( 1992 ) Five new species of Solanum section Geminata (Solanaceae) from South America Brittonia 44 : 61-68 .
• Knapp, S. ( 1992 ) Two new species of Solanum section Geminata (Solanaceae) from Cerro del Torrá in western Colombia. Bulletin of the British Museum, Natural History (Botany) 22: 147-152. .
• Knapp, S. ( 1992 ) Two new species of Solanum section Geminata (Solanaceae) from Cerro del Torrá in western Colombia. Bulletin of the British Museum, Natural History (Botany) 22: 147-152. .
• Knapp, S. ( 1992 ) Five new species of Solanum section Geminata (Solanaceae) from Perú and Ecuador Novon 2 : 341-350 .
• Knapp, S. ( 1992 ) Review of 'Solanaceae III: Taxonomy, Chemistry, Evolution'. Kew Bulletin 47(4): 785-788. .

1991

• Knapp, S. ( 1991 ) A revision of the Solanum sessile species group (section Geminata pro parte: Solanaceae) Botanical Journal of the Linnean Society 105 : 179-210 . 10.1111/j.1095-8339.1991.tb00203.x
• Knapp, S. ( 1991 ) A cladistic analysis of the Solanum sessile species group (section Geminata pro parte: Solanaceae) Botanical Journal of the Linnean Society 106 : 73-89 . 10.1111/j.1095-8339.1991.tb02284.x
• Knapp, S. ( 1991 ) Solanum tepuiense, a new species of section Geminata from Venezuelan Guyana Novon 1 : 125-126 .
• Knapp, S., T. Mione, & A. Sagástegui A. ( 1991 ) A new species of Jaltomata (Solanaceae) from northwestern Peru Brittonia 43 : 181-184 . 10.2307/2807054

1990

• Knapp, S. ( 1990 ) Review of 'Oxford Surveys in Evolutionary Biology, Vols. 3 & 4'. Cladistics 6: 110-115 .
• Knapp, S. ( 1990 ) Review of 'The Potatoes of Bolivia', J.G. Hawkes & J.H. Hjerting Trends in Ecology and Evolution 5(2) : 64-65 . 10.1016/0169-5347(90)90055-I
• Knapp, S. & C.E. Jarvis. ( 1990 ) The typification of the names of New World species of Solanum described by Linnaeus Botanical Journal of the Linnean Society 104 : 325-367 . 10.1111/j.1095-8339.1990.tb02227.x

1989

• Knapp, S. ( 1989 ) A revision of the Solanum nitidum species group (section Holophylla pro parte). Bulletin of the British Museum, Natural History (Botany) 19: 63-102 .
• Knapp, S. ( 1989 ) Six new species of Solanum section Geminata from South America. Bulletin of the British Museum, Natural History (Botany) 19: 103-112 .

1988

• Knapp, S. & C. E. Benítez de Rojas ( 1988 ) Solanum sessile Ruiz & Pavón (Solanaceae): a new record for Venezuela. Ernstia 49: 1-7 .
• Knapp, S. & J. Mallet. ( 1988 ) Review of 'The Blind Watchmaker', R. Dawkins. Cladistics 4: 218-222 .

1986

• Knapp, S. ( 1986 ) Reproductive biology of Solanum section Geminata in a Costa Rican cloud forest In W.G. D'Arcy (ed.), In: Solanaceae: Systematics and Biology . Columbia University Press : New York , 253-263 .
• Knapp, S. ( 1986 ) A new species of Solanum section Geminata (Solanaceae) from western Mexico Brittonia 38(1) : 89-91 . 10.2307/2807427
• Knapp, S. ( 1986 ) New species of Solanum section Geminata (Solanaceae) from South America Brittonia 38(3) : 273-301 . 10.2307/2807355
• Knapp, S. ( 1986 ) Three new species of Solanum section Geminata (G. Don) Walp. (Solanaceae) from Panama and western Colombia Annals of the Missouri Botanical Garden 73(4) : 738-744 .
• Whalen, M. D., A. Sagástegui A. & S. Knapp. ( 1986 ) A new species of Solanum section Petota (Solanaceae) from northern Peru Brittonia 38(1) : 9-12 . 10.2307/2807410

1985

• Benítez de Rojas, C. E. & S. Knapp. ( 1985 ) Notas sobre especies de Solanum L. (Solanaceae). Ernstia 34: 1 7 .
• Knapp, S. ( 1985 ) New species of Solanum section Geminata (G. Don) Walp. (Solanaceae) from Central and South America Annals of the Missouri Botanical Garden 72(3) : 558-569 .

1984

• Knapp, S. ( 1984 ) Solanum section Geminata (G. Don) Walpers, the correct name for section Leiodendra Dunal. Solanaceae Newsletter 2(3):4 6 .
• Knapp, S. & J. Mallet. ( 1984 ) Two new species of Passiflora (Passifloraceae) from Panama, with comments on their natural history Annals of the Missouri Botanical Garden 71(4) : 1068-1074 .

1983

• Knapp, S. ( 1983 ) Sectional nomenclature in Solanum (Solanaceae) Taxon 32 : 635-636 .

1980

• Phillips, E. A., K. K. Page & S. D. Knapp ( 1980 ) Vegetational characteristics of two stands of Joshua tree woodland. Madroño 27(1):43 47 .