Lance Evans



Dr. Lance Evans has been the Catherine and Robert Fenton Endowed Chair since January 2005. His research focuses on plant structures and functions. He is the moderator of the biology honor society, Beta Beta Beta, and he has been involved in organizing the Eastern Colleges Science Conference. 


  • PHD, U. of California Riverside
  • BS, Cal. St. Polytechnic U. Pomona

Courses Taught

BIOL 103      Introduction to Biology
BIOL 111      General Biology I
BIOL 115      Principles of Biology I
BIOL 305      Plant Biology
BIOL 310      Research in Biology
BIOL 410      Research in Biology

  • Research

    Plant Aantomy of growth and development.

    Compare plant structures with functions - understand how cells. tissues and organs develop in relation to overall plant structure and function.


  • Publications and Scholarly Activities

    Peer-reviewed publications with Biology students as co-authors-in bold

    Publications from 2005 to present:

    Evans, L.S., Walter Wiley II and Christopher Auricchio. in press. Xylem conductivity of petioles and primary stem tissues at stem terminals of herbaceous plant species. Journal of the Torrey Botantical Society.
    Evans, L.S. and Margaret L. Cooney. 2015. Sunlight-induced bark formation in long-lived South American Columnar Cacti. Flora. 217:33-40.
    Evans, L.S. and Kristen Skonieczny. 2015. Xylem Conductivity in Terminal Stems of 20 Species of Columnar Cacti of South America. Bradleya.33:108-118.
    Evans, L.S. and Mark DeBonis, 2015. Predicting Morbidity and Mortality of Saguaro Cacti (Carnegiea gigantea). Journal of the Torrey Botanical Society. 142: 231-239.139.
    Shahbazi, Z. A. Kaminski, and L.S. Evans. 2015. Mechanical Stress Analysis of Tree Branches. American J. Mechanical Engineering. 3: 32-40. 
    Evans, L.S. and Lauren Scelsa. 2014. Sunlight-induced Bark Formation on Current-year Stems of Euphorbia Plants from South Africa. South Africa Journal of Botany. 91:1-5.
    Evans, L.S.  Peter Boothe, and Andrew Baez. 2014. Predicting Morbidity and Mortality for a Saguaro Cactus (Carnegiea gigantea) Population. Journal Torrey Botanical Society. 140: 247-255.
    Evans, L.S., Angela Citta, and Stewart Sanderson. 2012. . Flowering branches cause injuries to second-year stems of Artemsia tridentata Nutt. subspecies tridentata. Western North American Naturalist. 72: 447-456.
    Evans, L.S. and Nycole Abela. 2011. Stem surface injuries of 20 species of succulent Euphorbia (Euphorbiacae) from South Africa. Environmental and Experimental Botany 74: 205-215.
    Evans, L.S. and Alison Bromberg. 2010. Characterization of cork warts and aerenchyma in leaves of Rhizophora mangle and Rhizophora racemosa. J. Torrey Bot. Soc. 137: 35-40.
    Evans, L.S., Zachary Testo, and Jonathan A. Cerutti. 2009. Characterization of internal airflow within tissues of mangrove species from Australia: leaf pressurization processes. J. Torrey Botanical Society 136: 70-83.
    Evans, L.S. and Annarita Macri. 2008. Stem Surface Injuries of several species of Columnar Cacti of Ecuador. J. Torrey Botanical Society 135:475-482.
    Evans, L.S., Maryvic F. de Leon, and Erika Sai. 2008. Anatomy and morphology of Rhizophora stylosa in relation to internal airflow and Attim’s plant architecture. J. Torrey Botanical Society 135:114-125.
    Evans, L. S., Z. Kahn-Jetter, Jessica Torres, Mabel Martinez, and Paul Tarsia. 2008.  Mechanical stresses fo primary branches: A survey of 40 woody trees and shrub species. Trees 22: 283-289.                    
    Evans, L.S., Z. Kahn-Jetter, C, Marks, and K. Harmoney. 2007. Mechanical properties and anatomical components of stems of 42 grass species. J. Torrey Botanical Society. 134: 458-467.
    Evans, L.S., Sr. Joan Harnett and Zella Kahn-Jetter 2006. Procedures to Determine the Amount of Plant Cover around individual Plants. Environmental and Experimental Botany. Trees 22: 283-289.
    Evans, L. S. and Matthew Domser. 2006. Stem Injuries of Red Spruce Trees of the Adirondack Mountains, New York, USA. Environmental and Experimental Botany. 56: 286-292.
    Evans, L.S., Yuuya Okawa, and Dennis G. Searcy. 2005. Anatomy and morphology of red mangrove (Rhizophora mangle) plants in relation to internal airflow. Journal of the Torrey Botanical Society. 132: 537-550.
    Evans, L.S.. 2005. Stem surface injuries to Neobuxbaumia tetetzo and Neobuxbaumia mezcalaensis of the Tehuacan Valley of Central Mexico. J. Torrey Bot. Soc. 132: 33-37.
    Evans, L.S., April J. Young, and Sr. Joan Harnett. 2005. Changes in scale and bark stem surface injuries and mortality rates of a saguaro (Carnegiea gigantea) cacti population in Tucson Mountain Park. Canadian Journal of Botany 83: 311-319.
    Current research projects 
    1) Analysis of xylem conductivity in several groups of plants.
    2) Analysis of epidermal browning processes on the surfaces of many species of columnar cacti.
    3) Analysis of eccentric growth of stems and roots of Artemisia tridentata. 
    4) Analysis of mechanical stresses of tree branches.
    5) Analysis of plant stem growth processes.