River Road
south of Carpentersville, Warren County, New Jersey

parked along the road

PLANT LIST: 
Dr. Patrick L. Cooney, * = blooming on date of field trip, 4/13/06

Trees: 
Acer negundo (ash-leaf maple) * 
Acer platanoides (Norway maple) 
Ailanthus altissima (tree of heaven) 
Gleditsia triacanthos (honey locust) 
Robinia pseudoacacia (black locust)

Shrubs: 
Berberis thunbergii (Japanese barberry) 
Hamamelis virginiana (witch hazel) 
Rhododendron maximum (rosebay rhododendron) 
Rubus phoenicolasius (wineberry) 
Viburnum sp. (viburnum)

Vines: 
Vitis sp. (grape)

Herbs: 
Aquilegia canadensis (columbine) * 
Achillea millefolium (common yarrow) 
Alliaria petiolata (garlic mustard) 
Anthriscus sylvestris (wild chervil) lots 
Aquilegia canadensis (bloodroot) * 
Arabis lyrata (lyre-leaved rockcress) * 
Chelidonium majus (celandine) 
Dicentra cucullaria (Dutchman’s breeches) * 
Hemerocallis fulva (tawny day lily) 
Hydrophyllum sp. (waterleaf) 
Oenothera biennis (common evening primrose) 
Polygonum cuspidatum (Japanese knotweed) 
Ranunculus ficaria (lesser celandine) * 
Rorippa nasturtium-aquaticum (water cress) 
Rumex obtusifolius (broad dock) 
Sanguinaria canadensis (bloodroot)   * 
Saxifraga virginiensis (early saxifrage) * 
Urtica dioica var. dioica (stinging nettle) 
Verbascum thapsus (common mullein)

Sedges: 
Carex pensylvanica (Pennsylvania sedge)  
Equisetum hyemale (scouring rush)

Grasses: 
Seteria faberi (nodding foxtail grass)

Ferns: 
Asplenium trichomanes (maidenhair spleenwort) 
Polypodium sp. (rock-cap fern)