Invasive Understory Shrub Research at Syracuse University
Fridley Lab

Focal taxa

Berberis
Berberis canadensis Native
Berberis thunbergii Invasive
Berberis vulgaris Invasive
Celastrus
Celastrus orbiculatus  Invasive
Celastrus scandens Native
Elaeagnus/Shepherdia
Elaeagnus angustifolia Invasive
Elaeagnus commutata Native
Elaeagnus multiflora Invasive
Elaeagnus pungens Invasive
Elaeagnus umbellata Invasive
Shepherdia argentea Native
Shepherdia canadensis Native
Euonymus 
Euonymus alatus Invasive
Euonymus americanus Native
Euonymus atropurpurea Native
Euonymus bungeanus Naturalized
Euonymus hamiltonianus Naturalized
Euonymus phellomanus Naturalized
Euonymus obovatus Native
Frangula/Rhamnus
Frangula alnus Invasive
Frangula caroliniana Native
Rhamnus alnifolia Native
Rhamnus arguta Naturalized
Rhamnus cathartica Invasive
Rhamnus davurica Naturalized
Rhamnus japonica Naturalized 
Rhamnus lanceolata Native
Rhamnus utilis Naturalized
Lonicera
Lonicera x bella Invasive
Lonicera canadensis Native
Lonicera caprifolium Invasive
Lonicera dioica Native
Lonicera flava Native
Lonicera fragrantissima Invasive
Lonicera hirsuta Native
Lonicera involucrata Native
Lonicera japonica Invasive
Lonicera korolkowii Naturalized 
Lonicera maackii Invasive
Lonicera morrowii Invasive
Lonicera oblongifolia Native
Lonicera periclymenium Invasive
Lonicera reticulata Native
Lonicera ruprechtiana Naturalized
Lonicera sempervirens Native
Lonicera standishii Invasive
Lonicera tatarica Invasive
Lonicera villosa  Native
Lonicera xylosteum Invasive
Viburnum
Viburnum acerifolium Native
Viburnum buddleifolium Naturalized
Viburnum dentatum Native
Viburnum dilatatum Invasive
Viburnum edule Native
Viburnum lantana Invasive
Viburnum lantanoides Native
Viburnum lentago Native
Viburnum molle Native
Viburnum nudum ssp. cassinoides Native
Viburnum opulus v. americanum Native
Viburnum plicatum Invasive
Viburnum prunifolium Native
Viburnum rafinesquianum Native
Viburnum recognitum Native
Viburnum sieboldii Invasive
Viburnum setigerum Naturalized
Viburnum opulus v. opulus Invasive
Viburnum x rhytidophylloides Naturalized
Common Eastern North American natives:
 
Acer spicatum
Acer pensylvanicum
Calycanthus floridus
Clethra acuminata
Cornus alternifolia
Cornus ammomum
Cornus florida
Diervilla lonicera
Dirca palustris
Hamamelis virginiana
Hydrangea arborescens
Lindera benzoin
Ptelea trifoliata
Sambucus nigra ssp. canadensis
Sambucus racemosa
Symphoricarpos albus var. albus
Zanthoxylum clava-hercules