The Muchhala Lab
University of Missouri - St. Louis
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Muchhala, N. and A. Perez.  2014. Burmeistera zamorensis (Campanulaceae: Lobelioideae), a new species from southern Ecuador. Novon (In press).

Lagomarsino, L. P., A. Antonelli, N. Muchhala, S. Mathews, and C. C. Davis. 2014. Phylogeny, classification, and fruit evolution of the species-rich Neotropical bellflowers (Campanulaceae: Lobelioideae). American Journal of Botany (In press).

Clark J. L., L. Clavijo, and Muchhala, N. 2014. Convergence of anti-bee pollination mechanisms in the Neotropical plant genus Drymonia (Gesneriaceae). Evolutionary Ecology (In press).

Muchhala, N., S. Johnsen, and S. D. Smith. 2014. Competition for hummingbird pollination shapes flower color variation in Andean Solanaceae.  Evolution 68(8): 2275–2286.


Muchhala, N., and J. D. Thomson. 2012. Interspecific competition in pollination systems: costs to male fitness via pollen misplacement. Functional Ecology 26(2):476-482.

Jorgensen, P.M., N. Muchhala, and J.M. MacDougal. 2012. Passiflora unipetala, a new bat-pollinated species of Passiflora supersection Tacsonia. Novon 22(2):174-179.


Moreno, M.P. and N. Muchhala. 2011. Campanulaceae. In R. Valencia, N. Pitman, S. León-Yánez, and P.M. Jørgensen (eds.), Libro rojo de las plantas endémicas del Ecuador, segunda edicion. Herbario QCA, Pontificia Universidad Católica del Ecuador, Quito, Ecuador.

Garibaldi, L.A., N. Muchhala, I. Motzke, L. Bravo-Monroy, R. Olschewski, and A.M. Klein. 2011. Services from plant-pollinator interactions in the Neotropics. Pp. 119-139 in B. Rapidel, F. DeClerck, J.F. Le Coq, J. Beer (eds.), Ecosystem Services from Agriculture and Agroforestry: Measurement and Payment. Earthscan, London, UK.


Muchhala, N., Z. Brown, W.S. Armbruster, and M.D. Potts. 2010. Competition drives specialization in pollination systems through costs to male fitness. American Naturalist 176(6):732-743

Muchhala, N., and J.D. Thomson. 2010. Fur versus feathers: Pollen delivery by bats and hummingbirds, and consequences for pollen production. American Naturalist 175(6):717-726.


Muchhala, N., and J.D. Thomson. 2009. Going to great lengths: selection for long corolla tubes in an extremely specialized bat-flower mutualism. Proceedings of the Royal Society B 276:2147-2152 

Muchhala, N., A. Caiza, J.C. Vizuete, and J.D. Thomson. 2009. A generalized pollination system in the tropics: Bats, birds, and Aphelandra acanthusAnnals of Botany 103(9):1481-1487

Armbruster, W.S. and N. Muchhala. 2009. Associations between floral specialization and species diversity: Cause, effect, or correlation? Evolutionary Ecology 23:159-179.


Knox, E.B., A.M. Muasya, and N. Muchhala. 2008. The predominantly South American clade of Lobeliaceae. Systematic Botany 33(2):462-468

Muchhala, N. 2008. Functional significance of interspecific variation in Burmeistera flower morphology: Evidence from nectar bat captures. Biotropica 40(3):332-337 [cover illustration]

Fleming, T.H., and N. Muchhala.  2008. Nectar-feeding bird and bat niches in two worlds: pantropical comparisons of vertebrate pollination systems. Journal of Biogeography 35(5):764-780


Muchhala, N. and M.D. Potts. 2007. Character displacement among bat-pollinated flowers of the genus Burmeistera: analysis of mechanism, process, and pattern.  Proceedings of the Royal Society B 274:2731-2737.

Muchhala, N. 2007.  Adaptive trade-off in corolla shape mediates specialization for flowers pollinated by bats and hummingbirds.  The American Naturalist 169(4):494-504. 


Muchhala, N. 2006. Nectar bat stows huge tongue in rib cage. Nature 444:701-702.    

Muchhala, N.   2006. The pollination biology of Burmeistera (Campanulaceae): Specialization and syndromes.  The American Journal of Botany 93(8):1081-1089. [cover illustration]


Muchhala, N., P. Mena V., and L. Albuja V. 2005. A new species of Anoura (Chiroptera: Phyllostomidae) from the Ecuadorian Andes. Journal of Mammalogy 86:457-461.

Fleming, T.H., N. Muchhala, and P. Ornelas. 2005. New world nectar-feeding vertebrates: Community patterns and processes. Pp. 161-182 in V. Sanchez-Cordero and R. A. Medellín (eds.) Contribuciones Mastozoológicos en Homenaje a Bernardo Villa-R.  Instituto de Biología e Instituto de Ecología, UNAM, Mexico City.

Muchhala, N. and T. G. Lammers. 2005. A new species of Burmeistera (Campanulaceae) from Ecuador. Novon 15(1):176-179.


Muchhala, N. and T.A. Munroe. 2004. A new species of Soleichthys (Soleidae: Pleuronectiformes) from tropical seas off northern Australia. Ichthyological Research 51:57-62.

Muchhala, N. 2003. Exploring the boundary between pollination syndromes: Bats and hummingbirds as pollinators of Burmeistera cyclostigmata and B. tenuiflora. Oecologia 134:373-380.

Cramer, J. M., M. L. Cloud, N. Muchhala, A. E. Ware, B. H. Smith, G. B. Williamson. 2003. A test of the bicolored fruit display hypothesis: Berry removal with artificial fruit flags. Journal of the Torrey Botanical Society 130(1):30–33.

Muchhala, N. and P.J. Jarrin-V. 2002. Flower visitation by bats in cloud forests of western Ecuador. Biotropica 34:387-395.