Plant Identification - Online Resources [1]
Trees and Shrubs
Cornell University woody plants database
http://woodyplants.cals.cornell.edu/home [2]
Oregon State University woody plants identification system
http://oregonstate.edu/dept/ldplants/plant_ident/ [3]
North Carolina State University plant identification online resources: trees
https://plants.ces.ncsu.edu/plants/category/trees/ [4]
North Carolina State University plant identification online resources: shrubs
https://plants.ces.ncsu.edu/plants/category/shrubs/ [5]
Native Plant Trust (formerly New England Wildflower Society), Go Botany
https://gobotany.nativeplanttrust.org/simple/woody-plants/ [6]
The Noble Foundation plant image gallery
https://nobleapps.noble.org/plantimagegallery/woodies.aspx [7]
Perennials and Annuals
UMass Extension garden plant identification
http://extension.umass.edu/plant-identification/ [8]
Native Plant Trust (formerly New England Wildflower Society), Go Botany
https://gobotany.nativeplanttrust.org/simple/non-monocots/ [9]
North Carolina State University plant identification online resources: perennials
https://plants.ces.ncsu.edu/plants/category/perennials/ [10]
North Carolina State University plant identification online resources: annuals
https://plants.ces.ncsu.edu/plants/category/annuals/ [11]
The Noble Foundation plant image gallery
https://nobleapps.noble.org/plantimagegallery/forbs.aspx [12]
Grasses
North Carolina State University plant identification online resources: ornamental grass
https://plants.ces.ncsu.edu/plants/category/ornamental-grass/ [13]
Native Plant Trust (formerly New England Wildflower Society), Go Botany
https://gobotany.nativeplanttrust.org/simple/graminoids/ [14]
The Noble foundation plant image gallery
https://nobleapps.noble.org/plantimagegallery/grasses.aspx [15]
Weeds
UMass Extension weed herbarium
http://extension.umass.edu/landscape/weed-herbarium [16]
New Jersey weed gallery
https://njaes.rutgers.edu/weeds/ [17]
Penn State University Center for Turf Science plant identification
http://plantscience.psu.edu/research/centers/turf/extension/plant-id [18]
Virginia Tech weed identification guide
http://oak.ppws.vt.edu/~flessner/weedguide/genusindex.htm [19]
Weed Society of America weed identification
http://wssa.net/wssa/weed/weed-identification/ [20]
Common weeds of North Central States
http://fieldcrop.msu.edu/uploads/documents/Ncr607.pdf [21]
All types
University of Connecticut plant database
http://www.hort.uconn.edu/plants/search.php [22]
USDA Natural Resources Conservation Service plants database
http://plants.usda.gov/java/ [23]
North Carolina State University plant identification online resources
https://plants.ces.ncsu.edu/ [24]
Longwood Gardens plant finder
https://plantexplorer.longwoodgardens.org/ecmweb/FindPlant.html [25]
Chicago Botanical Garden plant finder
https://www.chicagobotanic.org/plantcollections#plantfinder [26]
National Gardening Association plant finder
https://garden.org/plants/ [27]
Missouri Botanical Garden plant finder
http://www.missouribotanicalgarden.org/plantfinder/plantfindersearch.aspx [28]
Native Plant Trust (formerly New England Wildflower Society), Go Botany
https://gobotany.nativeplanttrust.org/full/ [29]
The Noble foundation plant image gallery
https://nobleapps.noble.org/plantimagegallery/woodies.aspx [7]
HGTV gardens plant finder
Plant finder link [30]