Among the invasives we discussed were Japanese barberry/Berberis thunbergii which plays a role in the spread of Lyme disease, and the following:

Asiatic bittersweet/Celastrus orbiculatus

Winged Euonymous/Euonymous alatus

Norway Maple/Acer platanoides

Japanese Knotweed/Reynoutria japonica        

Multiflora rose/Rosa multiflora

Black Locust/Robinia pseudoacacia

Common Mugwort/Artemesia vulgaris

Japanese Stiltgrass/Microstegium vimineum

We mentioned Garlic Mustard/Alliaria petiolata, which has gone by. We did not mention another invasive that is on that section of trail, Morrow's honeysuckle/Lonicera morrowii.

Trees & Shrubs

Among the notable native trees we saw were American Hornbeam, Black Cherry, Yellow Birch, Black Birch, Sycamore, Striped Maple, Red Oak, Red Maple, Sugar Maple, Eastern Red Cedar, White Pine, Tulip Poplar, Bitternut Hickory, Shagbark Hickory and Eastern Hemlock and saplings of Honey Locust and Sassafras. Notable shrubs included Witch Hazel, Spicebush, Winterberry, Staghorn Sumac, Choke Cherry, Raspberry and Silky Dogwood.

Vines & Herbaceous Plants

Among the vines and herbaceous native plants we saw were Summer Grape, Fox Grape, Virginia Creeper, Poison Ivy, Giant or Early Goldenrod, Rough Goldenrod, Wreath Goldenrod, White Wood Aster, Wild Lettuce, Jerusalem Artichoke, Jewelweed, White Snake Root, Lady's Thumb, Nodding Smartweed and Jumpseed. A few plants we did not discuss include the Big Tooth Aspen, Horseweed, Black Ash, Flowering Dogwood, Pennsylvania Sedge and Virginia's Bower. 

Two introduced trees noted on the trail include Japanese Zelkova and Colorado Fir.