The College of Life Sciences

Johnson, Leigh

Biology

Email: Leigh_Johnson@byu.edu

Website: http://lifesciences.byu.edu/home/FacStaff/default.aspx?ID=113

683  WIDB
Provo, UT 84602
(801) 422-5241

Professor
 Education
  • PhD, Botany, Washington State University, 1996
  • BS, Botany, Brigham Young University, 1991
 Experience

Professional
  • Research Associate, Rancho Santa Ana Botanic Garden, 1997-Present
  • Assistant Professor, Herbarium Director, North Carolina State Univ., 1997-1999
  • Post Doctoral Research Associate, Rancho Santa Ana Botanic Garden, 1996-1997

Academic - Post-Secondary
  • Pre Doctoral Research Associate, Smithsonian Institution, 1995-1995
 Courses Taught

Fall 2011
  • BIO 494R: Mentored Research Section 017, 024
  • BIO 512: Angiosperm Phylogeny Section 001
Winter 2011
  • BIO 220B: Biological Diversity: Plants Section 001, 002
  • BIO 430: Plant Classification Section 001
Fall 2010
  • BIO 494R: Mentored Research Section 017
  • BIO 510: Biological Systemat Curation Section 001
Spring 2010
  • BIO 494R: Mentored Research Section 008

Selected Publications
Journal Article

Johnson, L., Cairns-Heath, H.  "Decrypting cryptic species: morphological and molecular evidence for recognizing Navarretia linearifolia as distinct from N. sinistra. (Polemoniaceae)."  Systematic Botany.  3rd ed.  Vol. 35.3 (2010): 618-628.  <website>

Porter, J. M., Johnson, L., Wiken, D.  "Phylogenetic systematics of Ipomopsis (Polemoniaceae): relationships and divergence times estimated from chloroplast and nuclear DNA sequences."  Systematic Botany.  1st ed.  Vol. 35.1 (2010): 181-200.  <website>

Cosacov, A., Sersic, A. N., Sosa, V., Johnson, L., Cocucci, A. A.  "Multiple periglacial refugia in the Patagonian steppe and post-glacial colonization of the Andes: the phylogeography of Calceolaria polyrhiza."  Journal of Biogeography.  Vol. 37 (2010): 1463-1477.  <website>

Johnson, L., Chan, L., Weese, T. L., Busby, L. D., McMurry, S. L.  "Nuclear and cpDNA sequences combined provide strong inference of higher phylogenetic relationships in the phlox family (Polemoniaceae)."  Molecular Phylogenetics and Evolution.  Vol. 48 (2008): 997-1012. 

Johnson, L.  "Transfer of the Western North American Species Gilia splendens to Saltugilia (Polemoniaceae), and the taxonomic affinities of Gilia scopulorum, Gilia stellata, and Gilia yorkii."  Novon.  Vol. 17 (2007): 193-197. 

Johnson, L.  "Two new species and a reassessment of synonymy in the Navarretia pubescens complex (Polemoniaceae) of western North America."  Novon.  Vol. 17 (2007): 454-461. 

Johnson, L., Johnson, R.  "Morphological delimitation and molecular evidence for allopolyploidy in Collomia wilkenii (Polemoniaceae), a new species from northern Nevada."  Systematic Botany.  Vol. 31 (2006): 349-360. 

Weese, T. L., Johnson, L.  "Utility of NADP-dependent isocitrate dehydrogenase for species-level evolutionary inference in angiosperm phylogeny: a case study in Saltugilia."  Molecular Phylogenetics and Evolution.  Vol. 36 (2005): 24-41. 

Johnson, L., Huish, K. H., Porter, J. M.  "Seed surface sculpturing and its systematic significance in Gilia (Polemoniaceae) and segregate genera."  International Journal of Plant Sciences.  Vol. 165 (2004): 153-172.