University of Florida

Tim Johnson: Curriculum Vitae

Education

  • Ph.D. University of Florida, Gainesville. Environmental Horticulture. Aug 2012
  • M.S. University of Florida, Gainesville. Environmental Horticulture. Aug 2007.
  • B.S. University of Wisconsin, Eau Claire. Biology. Dec 2003.

Leadership Positions

  • Webmaster, Environmental Horticulture Grad Student Association Aug 2008-Aug 2009
  • Graduate Student Council Representative, Env Horticulture Dept, UF Aug 2008-Aug 2009
  • President, Environmental Horticulture Grad Student Association Aug 2007-Aug 2009
  • Journal Reviewer, Plant Cell Tissue Organ Culture Dec 2007-Present
  • Invited Journal Reviewer, Euphytica Oct 2007
  • Judge, Annual Alachua County Science Fair Program Dec 2006-2008
  • On-site Supervisor, Environmental Horticulture Greenhouse Complex Aug 2006 -Aug 2007
  • Co-president, Environmental Horticulture Grad Student Association Aug 2006-Aug 2007
  • Volunteer, Florida Panther National Wildlife Refuge Sept 2005-Present
  • Member, Environmental Horticulture Grad Student Association Aug 2005-Present

Research Experience

  • Alumni Fellow, FPNWR Orchid Restoration Project, UFL 2007-Present
  • Research Assistant, Seed production of vandaceous orchids, UFL 2005-2007
  • Electron Microscopy Technician, Ultrastructure and evolution of early land plants, UWEC 2002-2003
  • Field Biology Researcher, Habitat Utilization of Salmon and Trout YOY in Northern Wisconsin, UWEC Summer 2003

Teaching Experience

  • Guest Lecturer, Graduate Professional Development 2007-2008
    University of Florida – Gainesville
    “A Bad Presentation: A Demonstration on How Not to do a Scientific Presentation”
  • TA, Micropropagation of Ornamental Crops (4 credits)
    University of Florida – Gainesville Sp 2006, Sp 2007, Sp 2008
  • Guest Lecturer, Plants, Gardens and You
    University of Florida – Gainesville
    “Horticulture as a Tool in Plant Conservation” (2007, 2008)
    “Plant Test Tube Babies” (2008)
  • Instructor, Plants, Gardens and You (1 credit)
    University of Florida – Gainesville Fall 2006
  • TA, Guest Lecturer, Introducing Tissue Culture in the Classroom (Workshop)
    University of Florida – Gainesville July 2005
  • TA, Plant Identification (3 credits)
    University of Florida – Gainesville Fall 2005

Presentations

Peer Reviewed Papers

  • Dutra D, Johnson TR, Kauth PJ, Stewart SL, Kane ME, Richardson L (2008) Asymbiotic seed germination, in vitro seedling development, and greenhouse acclimatization of the threatened terrestrial orchid Bletia purpurea. Plant Cell Tiss Org Cult 94: 11-21
  • Kauth PJ, Johnson TR, Stewart SL, Kane ME (2008) A classroom exercise in hand pollination and in vitro asymbiotic seed germination. Plant Cell Tiss Org Cult 93:223–230
  • Johnson TR, Kane ME (2007) Asymbiotic germination of ornamental Vanda: in vitro germination and development of three hybrids. Plant Cell Tiss Org Cult 91:251–261
  • Johnson TR, Stewart SL, Dutra D, Kane ME, Richardson L (2007) Asymbiotic and Symbiotic Seed Germination of Eulophia alta (Orchidaceae)—Preliminary Evidence for the Symbiotic Culture Advantage. Plant Cell Tiss Org Cult 90:313–323
  • Johnson TR, Taylor WA (2005) Single grain analysis of the Upper Silurian spore Cymbosporites echinatus from the Welsh borderland. Rev. Palaeobot. Palynol. 137:163–172

Oral Presentations

  • Johnson TR, Kane ME, Perez HE (2008) Seed Physiology of Bletia purpurea (Pine Pink; Orchidaceae)—Fluctuating low temperature and dark slow development and inhibit germination. Society for In Vitro Biology International Conference. Tucson, AZ
  • Johnson TR, Kane ME (2007) Comparative effects of photoperiod and culture media on asymbiotic seed germination and seedling development in Vanda hybrids. Society for In Vitro Biology International Conference. Indianapolis, IN
  • Johnson TR, Dutra D, Kane ME, Richardson L, Stewart SL (2007) Assessing asymbiotic and symbiotic seed germination methods for the conservation of the Florida native orchid Eulophia alta. Florida Native Plant Society Conference. Gainesville, FL

Book Chapters

  • Kauth PJ, Dutra D, Johnson TR, Stewart SL, Kane ME, Vendrame WA. Techniques and applications of in vitro orchid seed germination. To appear in JA Teixeira da Silva (ed) Floriculture, Ornamentals and Plant Biotechnology.

Posters

  • Johnson TR, Kauth P, Dutra D, Kane ME, Stewart SL, Richardson L (2008) The Florida Orchid Restoration Partnership—proactive conservation of south Florida’s native orchids through collaborative research and management. 19th World Orchid Conference. Miami, FL
  • Kauth PJ, Johnson TR, Stewart SL, Kane ME (2008) A classroom exercise in hand pollination and in vitro asymbiotic seed germination. 19th World Orchid Conference. Miami, FL
  • Dutra D, Stewart SL, Kauth PJ, Johnson TR, Philman N, Kane ME, Richardson L (2007) Asymbiotic seed germination of the threatened orchid Bletia purpurea in Florida. Society for In vitro Biology International Conference. Indianapolis, IN
  • Stewart SL, Johnson TR, Dutra D, Kane ME, Richardson L (2007) Symbiotic and asymbiotic seed germination of Eulophia alta (Orchidaceae): preliminary evidence for symbiotic culture efficiency. Society for In vitro Biology International Conference. Indianapolis, IN
  • Johnson TR, Taylor WA (2003) Single grain analysis of the Upper Silurian spore Cymbosporites echinatus: light and electron microscopy. Botany. Mobile, AL
  • Taylor WA, Johnson TR, Buss JD (2002) Spore wall ultrastructure in the Anthocerophyta. Botany. Madison, WI
    Johnson TR, Taylor WA (2002) Spore wall ultrastructure of hornworts. University of Wisconsin – Eau Claire Student Research Day. Eau Claire, WI

Invited Speaker

  • Johnson T (2008) Why it’s harder to grow orchids in the wild than in your greenhouse. East Everglades Orchid Society Coalition for Orchid Species Symposium. Coral Gables, FL
  • Johnson T, Kauth P (2008) Orchids in the classroom: An introduction to their history, cultivation, and biology. Florida Association of Career and Technology Educators Conference. Ponte Verde, FL

Abstracts

  • Stewart SL, Johnson TR, Dutra D, Kane ME, Richardson L (2007) Asymbiotic and symbiotic seed germination of Eulophia alta (Orchidaceae)—preliminary evidence for the symbiotic culture advantage. Society for In Vitro Biology Conference. Indianapolis, IN
  • Stewart SL, Dutra D, Johnson TR, Kauth PJ, Philman N, Kane ME, Richardson L (2007) Integrated conservation of Florida’s Orchidaceae: a joint report from the University of Florida and U.S. Fish and Wildlife Service. Florida Native Plant Society Conference. Gainesville, FL. 19-22 April, 2007
  • Stewart SL, Johnson TR, Dutra D, Kane M, Richardson L (2007) Ecology, propagation and conservation of Eulophia alta L., a threatened Florida orchid. Coordinating Committee Meeting, Florida Cooperative Fish & Wildlife Research Unit. Gainesville, Florida

Internal Reports

  • Stewart SL, Johnson TR, Kane ME (2007) Conservation, ecology, and propagation of Florida Orchidaceae—Eulophia alta and Cyrtopodium punctatum. U.S. Fish and Wildlife Service Final Report
  • Stewart SL, Dutra D, Kauth P, Kane ME, Johnson TR, Philman N, Richardson L (2007) Native orchid conservation on the Florida Panther National Wildlife Refuge: a status report for projects of Eulophia alta, Cyrtopodium punctatum, Spiranthes odorata, and Bletia purpurea. U.S. Fish and Wildlife Service Interim Report