Heritage Tree Nomination Form
Street Tree List
Tigard's Tree City USA status
Tigard Tree Board
City Tree Stewardship and Urban Forest Enhancement Program
Additional Tree Resource Links:
Trees Are Good (valuable information on planting and maintaining trees)
www.treesaregood.org/
Pacific Northwest ISA chapter (has lists of certified and consulting arborists)
www.pnwisa.org/
American Society of Consulting Arborists maintains a list of consulting arborists
www.asca-consultants.org/
SelecTree (information on selecting the "right tree for the right place")
http://selectree.calpoly.edu/
Native Plant Finder
http://www.cleanwaterservices.org/EducationAndOutreach/NativePlantFinder/default.aspx
Oregon State University Cooperative Extension Service for Washington County (provide advice for homeowners on tree care and gardening)
extension.oregonstate.edu/washington/
Center for Urban Forest Research has the latest research pertaining to urban forestry.
www.fs.fed.us/psw/programs/cufr/
Oregon State University Extension Center contains more gardening and tree care information
extension.oregonstate.edu/index.php
University of Washington, College of Forest Resources. Nature in cities, policy, planning and urban forestry and human benefits
www.cfr.washington.edu/research.envmind/consumer.html
Oregon Department of Forestry Urban and Community Forestry Assistance Program
www.oregon.gov/ODF/URBAN_FORESTS/ucf_publications.shtml
University of Illinois at Urbana-Champaign; Landscape and human health laboratory
www.lhhl.uiuc.edu/
Westen Washington and
Oregon Tree Guide
The Nature Conservancy
tncweeds.ucdavis.edu/
Native Plant Society of Oregon
www.npsoregon.org/
Invaders Database System - University of Montana
invader.dbs.umt.edu/
Federal Government Invasive Species Program
www.invasivespecies.gov
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