Invasives
Bush Honeysuckle (Lonucera maackii, Lonicera morrowii, Lonicera tatarica, Lonicera x bella)
Exotic bush honeysuckles are upright, generally deciduous shrubs that range from 6 to 15 feet in height. The 1-2 ½ inch, egg-shaped leaves are opposite along the stem and short-stalked. Older stems are often hollow. Pairs of fragrant, tubular flowers less than an inch long are borne along the stem…
Common Reed (Phragmites australis)
Common reed, or Phragmites, is a tall, perennial grass that can grow to over 15 feet in height. In North America, both native Phragmites (Phragmites australis ssp. americanus Saltonstall, P.M. Peterson & Soreng) and introduced subspecies are found. Introduced Phragmites forms dense stands which include both live stems and standing…
Creeping Buttercup (Ranunculus repens L.)
Creeping buttercup is an herbaceous perennial that grows along the ground. Plants have thick stems and may be as much as 1 foot tall. Leaves and stems are usually hairy. Leaves at the base of the plant have long petioles; leaves that are higher on the stem have shorter petioles…
Eurasian Watermilfoil (Myriophyllum spicatum)
Eurasian watermilfoil, also called spike watermilfoil, is an emergent, herbaceous aquatic plant. Stems grow to the water surface, usually extending 3 to 10, but as much as 33, feet in length and frequently forming dense mats. Stems of Eurasian milfoil are long, slender, branching, hairless, and become leafless toward the…
Purple Loosestrife (Lythrum salicaria)
Purple loosestrife is an erect perennial herb in the loosestrife family, with a square, woody stem and opposite or whorled leaves. Leaves are lance-shaped, stalkless, and heart-shaped or rounded at the base. Plants are usually covered by a downy pubescence. Loosestrife plants grow from four to ten feet high, depending…