indicates the species is a
USA-NPN calibration species. Where possible,
please consider monitoring one of these species in addition to any other species you may choose to monitor.
A
indicates the species is a
Cloned Plants Project species.
alfalfa (Medicago sativa)
annual ragweed (Ambrosia artemisiifolia)
big bluestem (Andropogon gerardii)
blue grama (Bouteloua gracilis)
Canada thistle (Cirsium arvense)
chokecherry (Prunus virginiana)
common dandelion (Taraxacum officinale)
common lilac (Syringa vulgaris)
cuman ragweed (Ambrosia psilostachya)
eastern redcedar (Juniperus virginiana)
forsythia (Forsythia spp.)
paradise apple (Malus pumila)
ponderosa pine (Pinus ponderosa)
quaking aspen (Populus tremuloides)
red maple (Acer rubrum)
Red Rothomagensis lilac (Syringa chinensis)
spotted knapweed (Centaurea biebersteinii)
switchgrass (Panicum virgatum)
Tatarian honeysuckle (Lonicera tatarica)
twoneedle pinyon (Pinus edulis)
Virginia strawberry (Fragaria virginiana)
western wheatgrass (Pascopyrum smithii)Would you like to monitor a plant not currently on the list?
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For other questions or comments please contact the
USA-NPN Plant Phenology Program