Gary Barkman
Weed Control Coordinator
Montgomery County Weed Control
301.503.6024
gbarkmansr@msn.com
Survey Entomologist
Maryland Department of Agriculture
Plant Protection and Weed Management
410.841.5920
beanra@mda.state.md.us
Carole Bergmann
Forest Ecologist
Maryland-National Capital Park and Planning Commission
Mid-Atlantic Pest Plant Council
Maryland Native Plant Society
carole.bergmann@mncppc-mc.org
Stephen Bullington
Pest Survey Specialist
USDA APHIS
717.241.2465 x 23
stephen.w.bullington@aphis.usda.gov
David Clement
University of Maryland
Cooperative Extension Service
410.531.5556
clement@umd.edu
Rachel Cliche
Invasive Species Biologist
US Fish and Wildlife Service
410.639.2108 ext. 222
Rachel_Cliche@fws.gov
Don Cober
Maryland Department of Transportation
State Highway Administration
410.545.8596
dcober@sha.state.md.us
Eric Duce
Maryland Department of Transportation
State Highway Administration
410.545.8584
educe@sha.state.md.us
William F. Gimpel
Entomologist, retired
301.262.6170
nhfishhook1@verizon.net
Anne Hairston-Strang
Maryland Department of Natural Resources
Forest Service Division
410.260.8509
astrang@dnr.state.md.us
Ruth Hanessian
Maryland Association of Pet Industries
301.424.PETS
animalexchange@erols.com
Lane Heimer
Weed Control Specialist
Maryland Department of Agriculture
Plant Protection & Weed Management
410.841.5871
Mike Hemming
EAstern Shore Nurseries, Inc.
hemming@goeaston.net
Carol A. Holko
Chief
Plant Protection & Weed Management Section
Maryland Department of Agriculture
410.841.5920
holkoca@mda.state.md.us
Mike Hollins
Executive Director
Ecosystem Recovery Institute
410.841.5920
recins@aol.com
Larry Hurley
Maryland Nursery and Landscape Association;
Behnke Nurseries
lhurley@behnkes.net
Marc Imlay
Anacosta Watershed Society
marc@anacostiaws.org
Carol Jelich
Volunteer
Maryland Native Plant Society
410.827.7759
jrj_csj@mindspring.com
Sylvan Kaufman
Conservation Curator
Adkins Arboretum
410.634.2847 x 13
skaufman@adkinsarboretum.org
Patrick Kelley
Horticulturist
Anne Arundel County Recreation and Parks Department
410.222.1246
rpkell96@mail.aacounty.org
Jay Kilian
Maryland Department of Natural Resources
Monitoring and Non-Tidal Division
410.260.8617
JKilian@dnr.state.md.us
K. L. Kyde
Invasive Plant Specialist
Maryland Department of Natural Resources
KKyde@dnr.state.md.us
Andrew Lazur
Aquaculture Specialist
University of Maryland
Center for Environmental Science
410.221.8474
alazur@hpl.umces.edu
Chris Luckett
Plant Pathologist
Maryland Department of the Environment
443.482.2731
cluckett@mde.state.md.us
John Lydon
Plant Pathologist
USDA ARS
Sustainable Agricultural Systems
301.504.5379
lydonj@ba.ars.usda.gov
Mary Kay Malinoski
University of Maryland
Cooperative Extension Service
410.531.5568
mkmal@umd.edu
C. Fredric Mann
State Plant Health Director
USDA-APHIS-PPQ
410.224.3452
c_fredric.mann@usda.gov
Betty Marose
IPM Specialist
University of Maryland
Cooperative Extension Service
301.405.3929
marose@umd.edu
Jonathan McKnight
Maryland Department of Natural Resources
Wildlife and Heritage
410.260.8539
jmcknight@dnr.state.md.us
Alice Neily Mutch
Maryland Master Gardener Program
410.841.6202
alice@baysmartgardening.com
Ellen Nibali
University of Maryland
Home and Garden Information Center
knibali@erols.com
Peter Rupp
Weed Specialist
Maryland Department of Agriculture
Plant Protection & Weed Management
410.841.5871
Jil Swearingen
National Park Service
National Capital Region
Natural Resources and Science Division
202.342.1443, ext. 218
Jil_Swearingen@nps.gov
Sara Tangren
Chesapeake Natives
301.270.4534
SATangren@ChesapeakeNatives.org
Alan V. Tasker
USDA/APHIS
Alan.V.Tasker@USDA.gov
John Peter Thompson
Maryland Nursery and Landscape Association;
Behnke Nurseries
301.937.1100, ext. 507
jpeter@behnkes.net
Julie Thompson
Biologist
United States Fish & Wildlife Service
410.573.4517
Julie_Thompson@fws.gov
Robert H. Tichenor, Jr.
Maryland Department of Agriculture
Forest Pest Management Service
410.841.5931
tichenrh@mda.state.md.us
Robert B. Trumbule
Entomologist
Maryland Department of Agriculture
Plant Protection & Weed Mgt. Section
301.927.8355
rtrumbule@erols.com
Sarah Widman
Regulatory Administrator
Maryland Department of Natural Resources
Fisheries Service
410.260.8266
swidman@dnr.state.md.us

