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Juan Carlos Villarreal Aguilar

Chercheur régulier
Systématiques des bryophytes, systématique moléculaire et évolutive, symbioses entre les plantes et cyanobactéries, génomique fonctionnelle

Université Laval
Faculté des sciences et de génie
Département de biologie
Pavillon Alexandre-Vachon, bureau 3038
1045 avenue de la Médecine
Québec (Québec) Canada, G1V 0A6

Téléphone: 1-418-656-2131 poste 408265

Page départementale  | Page web laboratoire  | ResearchGate  | Google Scholar 

FORMATION
  • Earl S. Tupper Fellow, Smithsonian Tropical Research Institute, Panama, 2015
  • Sibbald Fellow, Royal Botanic Garden, Edinburgh, Scotland, 2015
  • Formation postdoctorale. Institute of Systematic Botany-Munich Botanic Garden, l'Allemagne, 2014.
  • Ph. D. en biologie évolutive, University of Connecticut, USA, 2011.
  • M. Sc. en biologie des plantes, Southern Illinois University, USA, 2005.
  • B. Sc. en biologie, Universidad de Panama, Panama, 2003
THÈMES DE RECHERCHE

Mes travaux portent sur la systématique, la diversité, la phylogénie et les interactions symbiotiques entre des bryophytes et des bactéries en milieu tropical. Depuis mon arrivée en poste, ma recherche aborde également la biodiversité, la conservation et l’influence des changements climatiques sur les groupes d’organismes qui composent la majorité de la biomasse photosynthétique et la base de la chaîne alimentaire des régions boréales: les bryophytes et les lichens. Les bryophytes (hépatiques et mousses) et les lichens jouent un rôle fondamental dans les cycles biogéochimiques planétaires du carbone et de l’azote tant de façon directe que par leurs interactions avec le biome microbien.

Le laboratoire Villarreal a obtenu une chaire de recherche du Canada en génomique et métabolomique de la symbiose entre plantes tropicales et microbes. La chaire nous permettra d’étudier le microbiome, les fondements génomiques et la richesse chimique de la symbiose entre les gymnospermes tropicaux, les bactéries fixatrices d’azote et les champignons. La chaire établira le noyau du groupe microbien symbiotique (SMG) qui poursuivra une collaboration étroite avec les chefs de file du domaine et donnera aux étudiants l'occasion d'exceller dans la recherche symbiotique. Etudiants et post-doctorants intéressés à rejoindre le laboratoire, merci de nous envoyer un email.

You can download all my bibliography in the BibTeX, BibTeX-CSV or EndNote format.
PUBLICATIONS
Books



Book chapters


  1. Hanson, D.T., Renzaglia, K., Villarreal, J.C. (2014) Diffusion Limitation and CO2 Concentrating Mechanisms in Bryophytes. In Photosynthesis in Bryophytes and Early Land Plants. (Hanson, D.T. and Rice, S.K., Eds.) Dordrecht, Springer Netherlands, pages 95-111
  2. Villarreal, J.C. (2013) Hornworts (genera Anthoceros and Phaeoceros). In The liverworts and hornworts of Tristan da Cunha. (Vaňa, J. and Engel, J.J., Eds.) New York Botanical Garden Press, pages 32-35, 85-86
  3. Renzaglia, K.S., Villarreal, J.C., Duff, R.J., Goffinet, B. (2008) New insights into morphology, anatomy, and systematics of hornworts. In Bryophyte Biology. (Shaw, A.J., Eds.) Cambridge University Press, pages 139-172
  4. Duff, R., Cargill, D.C., Villarreal, J.C., Renzaglia, K. (2004) Phylogenetic relationships of the hornworts based on rbcL sequence data: Novel relationships and new insights. In Molecular systematics of bryophytes. (Goffinet, B., Hollowell, V.C. and Magill, R.E., Eds.) Missouri Botanical Garden Press, pages 41-58


Edited books, special journal editions and proceedings


  1. Villarreal, J.C., Frey, W. and Cargill, D.C., Eds. (2010) Bryophyte Biology, Phylogeography, Systematics and Evolution in the Southern Hemisphere. J. Cramer in der Gebrüder Borntraeger Verlagbuchhandlung, Stuttgart. 257 p


Peer-reviewed articles


  1. Bell-Doyon, P., Bellavance, V., Belanger, L., Mazerolle, M.J., Villarreal, J.C. (2022) Bacterial, fungal, and mycorrhizal communities in the soil differ between clearcuts and insect outbreaks in the boreal forest 50 years after disturbance. Forest Ecology and Management, 523:120493
  2. Penaloza-Bojaca, G.F., Sierra, A.M., Becher, H., Renzaglia, K.S., Villarreal, J.C. (2022) Historical Biogeography Of The Austral Hornwort Genus Phaeomegaceros (Dendrocerotaceae, Anthocerotophyta). Bryophyte Diversity and Evolution, 45(1):44-66
  3. The Brazil Flora Group, Gomes-da-Silva, J., Filardi, F.L.R., Barbosa, M.R.V., Baumgratz, J.F.A., Bicudo, C.E.M., Cavalcanti, T.B., Coelho, M.A.N., Costa, A.F., Costa, D.P. et al. (2022) Brazilian Flora 2020: Leveraging the power of a collaborative scientific network. Taxon, 71(1):178-198
  4. Escolastico-Ortiz, D.A., Hedenas, L., Quandt, D., Harpke, D., Larrain, J., Stech, M., Villarreal, J.C. (2022) Cryptic speciation shapes the biogeographic history of a northern distributed moss. Botanical Journal of the Linnean Society
  5. Patino, J., Bisang, I., Goffinet, B., Hedenas, L., McDaniel, S., Pressel, S., Stech, M., Ah-Peng, C., Bergamini, A., Caners, R.T. et al. (2022) Unveiling the nature of a miniature world: a horizon scan of fundamental questions in bryology. Journal of Bryology, 44(1):1-34
  6. Alonso-Garcia, M., Pino-Bodas, R., Villarreal, J.C. (2022) Co-dispersal of symbionts in the lichen Cladonia stellaris inferred from genomic data. Fungal Ecology, 60:101165
  7. Alonso-Garcia, M., Villarreal, J.C. (2022) Bacterial community of reindeer lichens differs between northern and southern lichen woodlands. Canadian Journal of Forest Research, 52(5):662-673
  8. Allen, N.S., Dauphin, G., Villarreal, J.C., Caswell-Levy, C., Cox, E.R., Gudino, J., Hernandez-Rodriguez, E., Magana-Marcial, K.Y., Mezaka, A., Ramirez-Roman, J.D. Rodriguez, L., Rojas Carvajal, A., Romero-Moreno, C, Tomitani, K. et al. (2022) Bryophytes Of Mangroves Of Bocas Del Toro, Panama. Bryophyte Diversity and Evolution, 45(1):133-150
  9. Cargill, D.C., Chantanaorrapint, S., Zhu, R.-L., Asthana, A., Li, L., Renzaglia, K.S., Villarreal, J.C. (2022) Resolving Relationships Within The Hornwort Genus Anthoceros. Bryophyte Diversity and Evolution, 45(1):26-43
  10. Alonso-Garcia, M., Grewe, F., Payette, S., Villarreal, J.C. (2021) Population genomics of a reindeer lichen species from North American lichen woodlands. American Journal of Botany, 108(1):159-171
  11. Rahmatpour, N., Hauser, D.A., Nelson, J.M., Chen, P.Y., Villarreal, J.C., Ho, M.-Y., Li, F.-W. (2021) Revisiting the early evolution of Cyanobacteria with a new thylakoid-less and deeply diverged isolate from a hornwort. bioRxiv
  12. Villarreal, J.C., Renaudin, M., Beaulieu-Laliberte, A., Bellenger, J.P. (2021) Stigonema associated with boreal Stereocaulon possesses the alternative vanadium nitrogenase. Lichenologist, 53(2):215-220
  13. Rahmatpour, N., Hauser, D.A., Nelson, J.M., Chen, P.Y., Villarreal, J.C., Ho, M.-Y., Li, F.-W. (2021) A novel thylakoid-less isolate fills a billion-year gap in the evolution of Cyanobacteria. Current Biology, 31(13):2857-2867.e4
  14. Frangedakis, E., Shimamura, M., Villarreal, J.C., Li, F.-W., Tomaselli, M., Waller, M., Sakakibara, K., Renzaglia, K.S., Szovenyi, P. (2021) The hornworts: morphology, evolution and development. New Phytologist, 229(2):735-754
  15. Breinholt, J.W., Carey, S.B., Tiley, G.P., Davis, E.C., Endara, L., McDaniel, S.F., Neves, L.G., Sessa, E.B., von Konrat, M., Chantanaorrapint, S. et al. (2021) A target enrichment probe set for resolving the flagellate land plant tree of life. Applications in Plant Sciences, 9(1)
  16. Li, F.-W., Nishiyama, T., Waller, M., Frangedakis, E., Keller, J., Li, Z., Fernandez-Pozo, N., Barker, M.S., Bennett, T., Blazquez, M.A. et al. (2020) Anthoceros genomes illuminate the origin of land plants and the unique biology of hornworts. Nature Plants, 6(3):259-272
  17. Alonso-Garcia, M., Villarreal, J.C., McFarland, K., Goffinet, B. (2020) Population Genomics and Phylogeography of a Clonal Bryophyte With Spatially Separated Sexes and Extreme Sex Ratios. Frontiers in Plant Science, 11:495
  18. Lavoie, C., Renaudin, M., McMullin, R.T., Gagnon, J., Roy, C., Beaulieu, M.-E., Bellenger, J.P., Villarreal, J.C. (2020) Extremely low genetic diversity of Stigonema associated with Stereocaulon in eastern Canada. The Bryologist, 123(2):188 - 203
  19. Bell-Doyon, P., Laroche, J., Saltonstall, K., Villarreal, J.C. (2020) Specialized bacteriome uncovered in the coralloid roots of the epiphytic gymnosperm, Zamia pseudoparasitica. Environmental DNA, 2(4):418-428
  20. Bell-Doyon, P., Villarreal, J.C. (2020) New Notes on the Ecology of the Epiphytic Gymnosperm and Panamanian Endemic Zamia pseudoparasitica. Neotropical Naturalist, 2:1-7
  21. Bouchard, R, Penaloza-Bojaca, G, Toupin, S, Guadalupe, Y, Gudino, J, Salazar Allen, N, Li, F.W., Villarreal, J.C. (2020) Contrasting bacteriome of the hornwort Leiosporoceros dussii in two nearby sites with emphasis on the hornwort-cyanobacterial symbiosis. Symbiosis, 81(1):39-52
  22. Dawes, T.N., Villarreal, J.C., Szovenyi, P., Bisang, I., Li, F.-W., Hauser, D.A., Quandt, D., Cargill, D.C., Forrest, L.L. (2020) Extremely low genetic diversity in the European clade of the model bryophyte Anthoceros agrestis. Plant Systematics and Evolution, 306(49):1-10
  23. Bell, D., Lin, Q., Gerelle, W.K., Joya, S., Chang, Y., Taylor, Z.N., Rothfels, C.J., Larsson, A., Villarreal, J.C., Li, F.-W. et al. (2020) Organellomic data sets confirm a cryptic consensus on (unrooted) land-plant relationships and provide new insights into bryophyte molecular evolution. American Journal of Botany, 107(1):91-115
  24. Guadalupe, Y., Flores, N., Villarreal, J.C. (2020) Descripción morfométrica de dos poblaciones de Leiosporoceros Dussii (stephani) Hässel (leiosporocerotaceae) de Panamá. Tecnociencia, 23(1):61-81
  25. Piot, A., Prunier, J., Isabel, N., Klapstě, J., El-Kassaby, Y. A., Villarreal, J.C., Porth, I. (2020) Genomic Diversity Evaluation of Populus trichocarpa Germplasm for Rare Variant Genetic Association Studies. Frontiers in Genetics, 10:1384
  26. Leebens-Mack, J.H., Barker, M.S., Carpenter, E.J., Deyholos, M.K., Gitzendanner, M.A., Graham, S.W., Grosse, I., Li, Z., Melkonian, M., Mirarab, S. et al. (2019) One thousand plant transcriptomes and the phylogenomics of green plants. Nature, 574(7780):679-685
  27. Penaloza-Bojaca, G.F., Villarreal, J.C., Maciel-Silva, A.S. (2019) Phylogenetic and morphological infrageneric classification of the genus Dendroceros (Dendrocerotaceae; Anthocerotophyta), with the addition of two new subgenera. Systematics and Biodiversity, 17(7):712-727
  28. Garrido, A., Ledezma, J.G., Durant-Archibold, A.A., Allen, N.S., Villarreal, J.C., Gupta, M.P. (2019) Chemical Profiling of Volatile Components of the Gametophyte and Sporophyte Stages of the Hornwort Leiosporoceros dussii (Leiosporocerotaceae) From Panama by HS-SPME-GC-MS. Natural Product Communications, 14(8)
  29. Nelson, J.M., Hauser, D.A., Gudino, J.A., Guadalupe, Y.A., Meeks, J.C., Salazar Allen, N., Villarreal, J.C., Li, F.-W. (2019) Complete Genomes of Symbiotic Cyanobacteria Clarify the Evolution of Vanadium-Nitrogenase. Genome Biology and Evolution, 11(7):1959-1964
  30. Sierra, A.M., Bechteler, J., Cardoso, D., Zartman, C.E., Villarreal, J.C. (2018) Divergence time analyses suggest a Miocene origin of the narrow Amazonian endemic rheophytic Ceratolejeunea temnantha (Spruce) Reiner-Drehwald (Porellales, Lejeuneaceae). Bryophyte Diversity and Evolution, 40(2):55-67
  31. Lang, D., Ullrich, K.K., Murat, F., Fuchs, J., Jenkins, J., Haas, F.B., Piednoel, M., Gundlach, H., Van Bel, M., Meyberg, R. et al. (2018) The Physcomitrella patens chromosome-scale assembly reveals moss genome structure and evolution. Plant Journal, 93(3):515-533
  32. Renzaglia, K., Villarreal, J.C., Garbary, D. (2018) Morphology supports the setaphyte hypothesis: mosses plus liverworts form a natural group. Bryophyte Diversity and Evolution, 40:11-017
  33. Villarreal, J.C., Turmel, M., Bourgouin-Couture, M., Laroche, J., Salazar Allen, N., Li, F.-W., Cheng, S., Renzaglia, K.S., Lemieux, C. (2018) Genome-wide organellar analyses from the hornwort Leiosporoceros dussii show low frequency of RNA editing. PLOS ONE, 13(8):1-18
  34. Renzaglia, K.S., Villarreal, J.C., Piatkowski, B.T., Lucas, J.R., Merced, A. (2017) Hornwort stomata: Architecture and fate shared with 400-million-year-old fossil plants without leaves. Plant Physiology, 174(2):788-797
  35. Lewis, L.R., Ickert-Bond, S.M., Biersma, E.M., Convey, P., Goffinet, B., Hassel, K., Kruijer, H. (J.D.), Farge, C.L., Metzgar, J., Stech, M. et al. (2017) Future directions and priorities for Arctic bryophyte research. Arctic Science, 3(3):475-497
  36. Li, F.-W., Villarreal, J.C., Szovenyi, P. (2017) Hornworts: an overlooked window into carbon-concentrating mechanism. Trends in Plant Science, 22(4):275-277
  37. Villarreal, J.C., Duckett, J.G., Pressel, S. (2017) Morphology, ultrastructure and phylogenetic affinities of the single-island endemic Anthoceros cristatus Steph. (Ascension Island). Journal of Bryology, 39(3):226-234
  38. Long, D.G., Forrest, L.L., Villarreal, J.C., Crandall-Stotler, B.J. (2016) Taxonomic changes in marchantiaceae, corsiniaceae and cleveaceae (Marchantiidae, Marchantiophyta). Phytotaxa, 252(1):077-080
  39. Villarreal, J.C., Crandall-Stotler, B.J., Hart, M.L., Long, D.G., Forrest, L.L. (2016) Divergence times and the evolution of morphological complexity in an early land plant lineage (Marchantiopsida) with a slow molecular rate. New Phytologist, 209(4):1734-1746
  40. Soderstrom, L., Hagborg, A., Von Konrat, M., Bartholomew-Began, S., Bell, D., Briscoe, L., Brown, E., Cargill, D.C., Costa, D.P., Crandall-Stotler, B.J. et al. (2016) World checklist of hornworts and liverworts. PhytoKeys, 59(1):1-828
  41. Ruklani, N.C.S., Rubasinghe, S.C.K., Villarreal, J.C. (2016) Two New Records of Sri Lankan Hornworts, Notothylas javanica (Notothyladaceae) and Megaceros flagellaris (Dendrocerotaceae). Cryptogamie, Bryologie, 37(4):435-444
  42. Long, D.G., Forrest, L.L., Villarreal, J.C., Crandall-Stotler, B.J. (2016) The genus Aitchisoniella Kashyap (Marchantiopsida, Cleveaceae) new to China, and its taxonomic placement. Journal of Bryology, 38(4):308-311
  43. Villarreal, J.C., Cargill, D.C., Soderstrom, L., Hagborg, A., Von Konrat, M. (2015) Notes on Early Land Plants Today. 70. Nomenclatural notes in hornworts (Anthocerotophyta). Phytotaxa, 208(1):92-96
  44. Brown, R.C., Lemmon, B.E., Shimamura, M., Villarreal, J.C., Renzaglia, K.S. (2015) Spores of relictual bryophytes: Diverse adaptations to life on land. Review of Palaeobotany and Palynology, 216:1-17
  45. Villarreal, J.C., Cusimano, N., Renner, S.S. (2015) Biogeography and diversification rates in hornworts: The limitations of diversification modeling. Taxon, 64(2):229-238
  46. Li, F.-W., Melkonian, M., Rothfels, C.J., Villarreal, J.C., Stevenson, D.W., Graham, S.W., Wong, G.K.-S., Pryer, K.M., Mathews, S. (2015) Phytochrome diversity in green plants and the origin of canonical plant phytochromes. Nature Communications, 6
  47. Ok, C., Yang, H., Villarreal, J.C., Barkoh, B.A., Routbort, M.J., Singh, R.R., Mantha, G.S., Lu, H., Medeiros, L., Luthra, R. et al. (2015) Development of a Decision Support System for Specimen Accessioning and Uniform Triaging of Oncologic Molecular Testing. Journal of Molecular Diagnostics, 17(6):803-804
  48. Villarreal, J.C., Renzaglia, K.S. (2015) The hornworts: Important advancements in early land plant evolution. Journal of Bryology, 37(3):157-170
  49. Forrest, L.L., Long, D.G., Cargill, D.C., Hart, M.L., Milne, J., Schill, D.B., Seppelt, R.D., Villarreal, J.C. (2015) On Monocarpus (Monocarpaceae, Marchantiopsida), an isolated salt-pan complex thalloid liverwort. Australian Systematic Botany, 28(3):137-144
  50. Chantanaorrapint, S., Penjor, P., Villarreal, J.C. (2015) Taxonomic notes on Phaeoceros himalayensis, with lectotypification of Anthoceros himalayensis. Phytotaxa, 231(2):193-196
  51. Li, F.-W., Rothfels, C.J., Melkonian, M., Villarreal, J.C., Stevenson, D.W., Graham, S.W., Wong, G.K. -S., Mathews, S., Pryer, K.M. (2015) The origin and evolution of phototropins. Frontiers in Plant Science, 6
  52. Wickett, N.J., Mirarab, S., Nguyen, N., Warnow, T., Carpenter, E., Matasci, N., Ayyampalayam, S., Barker, M.S., Burleigh, J.G., Gitzendanner, M.A. et al. (2014) Phylotranscriptomic analysis of the origin and early diversification of land plants. Proceedings of the National Academy of Sciences of the United States of America, 111(45):E4859-E4868
  53. Li, F.-W., Villarreal, J.C., Kelly, S., Rothfels, C.J., Melkonian, M., Frangedakis, E., Ruhsam, M., Sigel, E.M., Der, J.P., Pittermann, J. et al. (2014) Horizontal transfer of an adaptive chimeric photoreceptor from bryophytes to ferns. Proceedings of the National Academy of Sciences of the United States of America, 111(18):6672-6677
  54. Villarreal, J.C., Renner, S.S. (2014) A review of molecular-clock calibrations and substitution rates in liverworts, mosses, and hornworts, and a timeframe for a taxonomically cleaned-up genus Nothoceros. Molecular Phylogenetics and Evolution, 78:25-35
  55. Villarreal, J.C., Forrest, L.L., Cooper, E. D., Long, D.G. (2014) Phylogenetic affinities and conservation status of Telaranea murphyae Paton in Britain. Journal of Bryology, 36(3):191-199
  56. Laenen, B., Shaw, B., Schneider, H., Goffinet, B., Paradis, E., Desamore, A., Heinrichs, J., Villarreal, J.C., Gradstein, S.R., McDaniel, S.F. et al. (2014) Extant diversity of bryophytes emerged from successive post-Mesozoic diversification bursts. Nature Communications, 5
  57. Sustaita, D, Owen, Christopher L., Villarreal, J.C., Rubega, M.A. (2014) Morphometric tools for sexing loggerhead shrikes in california. The Southwestern Naturalist, 59(4):560-567
  58. Matasci, N., Hung, L.-H., Yan, Z., Carpenter, E.J., Wickett, N.J., Mirarab, S., Nam N., Warnow, T., Ayyampalayam, S., Barker, M. et al. (2014) Data access for the 1,000 Plants (1KP) project. GigaScience, 3
  59. Desiro, A.and Duckett, J.G., Pressel, S., Villarreal, J.C., Bidartondo, M.I. (2013) Fungal symbioses in hornworts: a chequered history. Proceedings of the Royal Society B-Biological Sciences, 280(1759)
  60. Bainard, J.D., Villarreal, J.C. (2013) Genome size increases in recently diverged hornwort clades. Genome, 56(8, 1, SI):431-435
  61. Villarreal, J.C., Forrest, L.L., Wickett, N., Goffinet, B. (2013) The plastid genome of the hornwort nothoceros aenigmaticus (dendrocerotaceae): phylogenetic signal in inverted repeat expansion, pseudogenization, and intron gain. American Journal of Botany, 100(3):467-477
  62. Villarreal, J.C., Renner, S.S. (2013) Correlates of monoicy and dioicy in hornworts, the apparent sister group to vascular plants. BMC Evolutionary Biology, 13
  63. Villarreal, J.C., Forrest, L.L., McFarland, K., Goffinet, B. (2012) Chloroplast, mitochondrial, and nuclear microsatellites from the southern Appalachian hornwort, Nothoceros aenigmaticus (Dendrocerotaceae). American Journal of Botany, 99(3):e88-e90
  64. Villarreal, J.C., Renner, S.S. (2012) Hornwort pyrenoids, carbon-concentrating structures, evolved and were lost at least five times during the last 100 million years. Proceedings of the National Academy of Sciences of the United States of America, 109(46):18873-18878
  65. Villarreal, J.C., Campos S, L.V., Uribe-M, J., Goffinet, B. (2012) Parallel Evolution of Endospory within Hornworts: Nothoceros renzagliensis (Dendrocerotaceae), sp nov. Systematic Botany, 37(1):31-37
  66. Garcia, C., Sergio, C., Villarreal, J.C., Sim-Sim, M., Lara, F. (2012) The hornworts Dendroceros Nees and Megaceros Campb. in Sao Tome e Principe (Africa, Gulf of Guinea) with the description of Dendroceros paivae sp nov. Cryptogamie, Bryologie, 33(1):3-21
  67. Johnson, M.T. J., Carpenter, E.J., Tian, Z., Bruskiewich, R., Burris, J.N., Carrigan, C.T., Chase, M.W., Clarke, N.D., Covshoff, S., dePamphilis, C.W. et al. (2012) Evaluating Methods for Isolating Total RNA and Predicting the Success of Sequencing Phylogenetically Diverse Plant Transcriptomes. PLOS ONE, 7(11)
  68. Serusiaux, E., Villarreal, J.C., Wheeler, T., Goffinet, B. (2011) Recent origin, active speciation and dispersal for the lichen genus Nephroma (Peltigerales) in Macaronesia. Journal of Biogeography, 38(6):1138-1151
  69. Villarreal, J.C., Goffinet, B., Duff, R. J.and Cargill, D.C. (2010) Phylogenetic delineation of Nothoceros and Megaceros (Dendrocerotaceae). The Bryologist, 113(1):106-113
  70. Villarreal, J.C., Cargill, D.C., Goffinet, B. (2010) Phaeomegaceros squamuliger subspecies hasselii (Dendrocerotaceae, Anthocerotophyta), a new taxon from the Southern Hemisphere. Nova Hedwigia, 91(3-4):349-360
  71. Villarreal, J.C., Cargill, D.C., Hagborg, A., Soderstrom, L., Renzaglia, K.S. (2010) A synthesis of hornwort diversity: Patterns, causes and future work. Phytotaxa, 9:150-166
  72. Beldomenico, P.M., Rey, F., Prado, W.S., Villarreal, J.C., Munoz-De-Toro, M., Luque, E.H. (2007) In ovum exposure to pesticides increases the egg weight loss and decreases hatchlings weight of Caiman latirostris (Crocodylia : Alligatoridae). Ecotoxicology and Environmental Safety, 68(2):246-251
  73. Villarreal, J.C., de Menendez, G.H., Allen, N.S. (2007) Nothoceros superbus (Dendrocerotaceae), a New Hornwort from Costa Rica. The Bryologist, 110(2):279-285
  74. Duff, R.J., Villarreal, J.C., Cargill, D.C., Renzaglia, K.S. (2007) Progress and challenges toward developing a phylogeny and classification of the hornworts. The Bryologist, 110(2):214 - 243
  75. Villarreal, J.C., Renzaglia, K.S. (2006) Sporophyte Structure in the Neotropical Hornwort Phaeomegaceros fimbriatus: Implications for Phylogeny, Taxonomy, and Character Evolution. International Journal of Plant Sciences, 167(3):413-427
  76. Villarreal, J.C., Renzaglia, K.S. (2006) Structure and development of Nostoc strands in Leiosporoceros dussii (Anthocerotophyta): a novel symbiosis in land plants. American Journal of Botany, 93(5):693-705
  77. Dauphin, G., Pocs, T., Villarreal, J.C., Allen, N.S. (2006) Nuevos Registros de Hepáticas y Anthocerotófitas para Panamá. Bryophyte Diversity and Evolution
  78. Cargill, D.C., Renzaglia, K.S., Villarreal, J.C., Duff, R.J. (2005) Generic concepts within hornworts: historical review, contemporary insights and future directions. Australian Systematic Botany, 18(1):7-16


Articles published in proceedings


  1. Villarreal, J.C., Rochefort, L., Boismenu, C., Guene-Nanchen, M. (2017) Future Arctic: from species to ecosystems. In Proceedings of the workshop Future Arctic.


Scientific reports, manuals and others



Theses, dissertations and essays


  1. Villarreal, J.C. (2011) Evolutionary affinities of the Southern Appalachian clonal hornwort, Nothoceros aenigmaticus and the repercussions of clonality on genetic diversity. PhD thesis, University of Connecticut
  2. Villarreal, J.C. (2006) A comparative anatomical and ultrastructural study of two phylogenetically significant hornworts: Leiosporoceros dussii and Phaeoceros fimbriatus. Master's thesis, Southern Illinois University at Carbondale


Supervised theses, dissertations and essays


  1. Chagnon, C. (2020) Abondance et diversité des lichens au Nunavik en contexte de changements climatiques. Master's thesis, Université Laval


Non peer-reviewed articles


  1. Tetu, B., Villarreal, J.C. (2019) Bryophytes des murailles du Vieux-Québec. Carnets de bryologie
  2. Pressel, S., Duckett, J., Villarreal, J.C. (2014) Hornwort heaven: recount of the expedition intothe Himalayan foothills of northern Indian. Field bryology
  3. Villarreal, J.C. (2010) Student Project. Evansia, 27(3):115 - 115


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