Smith, J.F. and J. L. Clark. 2013. Molecular phylogenetic analyses reveal undiscovered monospecific Genera in the tribe Episcieae (Gesneriaceae). Systematic Botany. In press.
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| Clavijo, L. and J. L. Clark, J.L. 2013. Drymonia crispa (Gesneriaceae), A new species from northwestern Colombia. Brittonia. In press |
| Clark, J.L.and L. E. Skog. 2013. Novae Gesneriaceae Neotropicarum XVIII: Columnea carinata, a new species of Gesneriaceae from Northwestern Ecuador. Brittonia. In press. |
Clark, J. L. 2013. A new species of Drymonia (Gesneriaceae) from the eastern slopes of the Ecuadorian Andes. Brittonia. In press.
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| Clark, J.L. and L. Clavijo. 2012. Columnea antennifera, a new species of Gesneriaceae from the Cordillera Central of the Columbian Andes. Journal of the Botanical Research Institute of Texas 6: 385-39 |
Clark, J.L., M.M. Funke, A.M. Duffy, and J.F. Smith. 2012. Phylogeny of a Neotropical clade in the Gesneriaceae: more tales of convergent evolution. International Journal of Plant Sciences 173: 894-916. Link to pdf.
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| Clark, J.L., L.E. Skog, and F. Barrie. 2012. Novae Gesneriaceae Neotropicarum XVII: New Combinations and typifications. Novon 21(4) 413-423. Link to pdf. |
| Clark, J.L., and B.R. Keener. 2011. Cremosperma verticillatum (Gesneriaceae), a new species from northwestern Ecuador. Journal of the Botanical Research Institute of Texas 5(2) 499-504. Link to pdf. |
| Clark, J.L. and L.E. Skog. 2011. Gesneriaceae. In: R. Valencia, N. Pitman, S. León-Yánez, and P.M. Jørgensen (eds.). Libro rojo de las plantas endémicas del Ecuador, segunda edición. Publicaciones del Herbario QCA, Pontificia Universidad Católica del Ecuador, Quito. Link to pdf. |
| Keene, J., H.E. Ballard and J.L. Clark. 2011. Two new species of Monopyle (Gesneriaceae) from northern Ecuador. Journal of the Botanical Research Institute of Texas. 5(2) 513-520. Link to pdf. |
| Clark, J.L., E. H. Roalson, R. A. Pritchard, C. L. Coleman, V. Teoh, and J. Matos. 2011. Independent origin of radial floral symmetry in the Gloxinieae (Gesnerioideae: Gesneriaceae) is supported by the rediscovery of Phinaea pulchella in Cuba. Systematic Botany 36: 757-767. Download pdf here. |
| Amaya-Márquez, M. and J.L. Clark. 2011. Columnea bivalvis (Gesneriaceae) a new species from the eastern slopes of the Ecuadorian Andes. Journal of the Botanical Research Institute of Texas 5: 75-79. Link to pdf. |
Clark, J.L. and J.F. Smith. 2011. Columnea pygmaea (Gesneriaceae) a new species from northwestern Ecuador. Journal of the Botanical Research Institute of Texas 5: 87-95. Link to pdf.
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| Clark, J.L. 2011. Columnea lucifer (Gesneriaceae) a new species from northwestern Ecuador. Journal of the Botanical Research Institute of Texas. 5: 81-85. Link to pdf. |
| Clark, J.L. and L.E. Skog. 2011. Novae Gesneriaceae Neotropicarum XVII: Cremosperma anisophyllum, a new species of Gesneriaceae from the Chocó region of northern Ecuador and southern Colombia. Brittonia 63: 133-138. Link to pdf. |
| Clavijo, L., and J.L. Clark. 2010. Drymonia droseroides (Gesneriaceae), a New Species from the Pacific Andean Forests of Colombia. Selbyana 30(2): 190-194. Download pdf here. |
| Clark, J.L., D.A. Neill, J.A. Gruhn, A. Weber, and T. Katan. 2010. Shuaria (Gesneriaceae), an arborescent new genus from the Cordillera del Cóndor and Amazonian Ecuador. Systematic Botany 35(3): 662-674. Download pdf here. |
| Clark, J.L. 2009. Systematics of Glossoloma (Gesneriaceae). Systematic Botany Monographs 89: 1-126. Link for information to purchase this publication here. |
| Clark, J.L., and L.E. Skog. 2009. Novae Gesneriaceae Neotropicarum XVI: Pearcea pileifolia a new species of Gesneriaceae from South America. Novon 19(4): 439-443. Link to pdf. |
| Clark, J.L. 2009. Searching for rare gesneriads in Cuba. Gesneriads 59: 13-19. Download pdf here. |
| Clark, J.L., and J.R. Clark. 2008. Drymonia collegarum (Gesneriaceae), a new species from Ecuador. Selbyana 29(2). 152-156. Download pdf here. |
| Clark, J.R., and J.L. Clark. 2008. Drymonia decora (Gesneriaceae), a new species from Fila Costeña, Costa Rica. Selbyana 29(2). 147-151. Download pdf here. |
| Clark, J.L., and L.E. Skog. 2008. Novae Gesneriaceae Neotropicarum XV: Kohleria hypertrichosa, a new species of Gesneriaceae from northwestern Ecuador. J. Bot. Res. Inst. Texas 2(1): 19-24.Download pdf here. |
| Clark, J.L., D.A. Neill, and M. Asanza. 2006. Floristic checklist of the Mache-Chindul Mountains of Northwestern Ecuador. Smithsonian Institution Contributions from the United States National Herbarium 54: 1-180. Download pdf here. |
| Roalson, E. H. and J.L. Clark. 2006. Phylogenetic patterns of diversification in the Beslerieae (Gesneriaceae). Pp. 251-268. In: A.K. Sharma and A. Sharma (eds.), Plant Genome: Biodiversity and Evolution, Phanerograms 1C. Science Publishers, Inc., Enfield, New Hampshire. Download pdf here. |
| Clark, J.L., P.S. Herendeen, L.E. Skog, and E.A. Zimmer. 2006. Phylogenetic relationships and generic boundaries in the Episcieae (Gesneriaceae) inferred from nuclear, chloroplast, and morphological data. Taxon 55: 313-336. Download pdf here. |
| Clark, J.L. 2005. A Monograph of Alloplectus (Gesneriaceae). Selbyana 25(2): 182-209. |
| Clark, J.L. 2005.The Andes. Pp. 69-71. In: G.A. Krupnick and W.J. Kress (eds.). Plant conservation: A natural history approach. Smithsonian Institution, Washington, DC. |
| Clark, J.L., I. Salinas, and L.E. Skog. 2005. Novae Gesneriaceae Neotropicarum XIV: four new species of Alloplectus (Gesneriaceae) from South America. Novon 15: 70-79. |
| Kvist, L.P., L.E. Skog, J.L. Clark, and R.W. Dunn. 2004. Biological extinction in western Ecuador as exemplified by the plant family Gesneriaceae. Lyonia 6(2): 127-151. |
| Clark, J.L., and E.A. Zimmer. 2003. A preliminary phylogeny of Alloplectus (Gesneriaceae): implications for the evolution of flower resupination. Systematic Botany 28(2): 365-375. Download pdf here. |
| Clark, J.L., and L.E. Skog. 2002. Novae Gesneriaceae Neotropicarum XI: Alloplectus grandicalyx, a New Species of Gesneriaceae from Ecuador. Novon 12(2): 173-178. |
| Taylor, C.M., and J.L. Clark. 2001. Rubiaceae Americanarum Magna Hama V: Amphidasya in Mesoamerica and Western South America. Novon 11(4): 489-497. |
| Clark, J.L., and L.E. Skog. 2000. Gesneriaceae. Pp. 205-214. In: R. Valencia, N. Pitman, S. León-Yánez and P.M. Jørgensen (eds.). Libro rojo de las plantas endémicas del Ecuador 2000. Publicaciones del Herbario QCA, Pontificia Universidad Católica del Ecuador, Quito. |
| Clark, J.L., and S. Mori. 2000. A new species of Grias (Lecythidaceae). Brittonia 52(2): 145-148. |
| Clark, J.L. 1997. Preliminary floristic inventory of the Bilsa Biological Station, Esmeraldas, Ecuador. Pp. 123-128. In: R. Valencia and H. Balslev (eds.). Estudios sobre diversidad y ecología de plantas, Memorias del 2. Simposio Ecuatoriano de Botánica. Pontificia Universidad Catolica del Ecuador, Quito, Ecuador. |
| Greeney, H.F., M. Lysinger, T. Walla, and J.L. Clark. 1998. First description of the nest and egg of the Tanager Finch (Oreothraupis arremonops Sclater 1855) with additional notes on behavior. Ornitologia Neotropical 9(2): 205-207. |
