Height to 4 ft. Leaves 1 - 2 in; often angled upward, reminiscent of butterfly wings at rest; leathery, evergreen; with brownish scales (best seen with a magnifying glass). A shrub of acidic soils and bogs, usually associated with water. Seen on the north shore of Mt. Springs Lake.

Height to 10 ft. Leaves 1 - 4 in; undersurface whitish and downy-hairy; the variety neglectum has leaves which lack the soft hairs on the undersurface. Twigs downy, lacking the tiny warts characteristic of other blueberries. Flowers (May - June). Fruits greenish to purple, often with a whitish bloom (July - September). Common, especially along the Old Bulldozer Road Trail.

Height to 3 ft. Leaves 1 - 3 in; with numerous yellowish resin dots on both sides – best seen with a lens, or look for glistening in full light. Flowers in clusters; whitish with tinges of green or pink (May - June). Fruits dark blue to black (July - September); with 10 large seed-like nutlets. Blueberries lack the resin dots on the leaves, and produce true berries with many tiny seeds. Often with Blueberries, especially on the Grand View Trail, and the Ganoga View Trail.

Height to 12 ft. Leaves 1 ⅝ - 1 ¾ in. Twigs with characteristic warts. Flowers in loose clusters (May - June). Fruits blue to blue-black with a whitish bloom; sweet (June - September). Stems may have galls (Blueberry Stem Gall) with several emergence holes, caused by the wasp Hemadas nubilipennis. Found throughout the Park, with several large plants in the open areas along the Old Beaverdam Road Trail.

Height to 3 ft. Leaves ⅝ - 2 in; sometimes toothed; usually whitish beneath. Twigs with characteristics warts. Associating with and similar to Lowbush Blueberry; these two species intergrade, possibly due to hybridization. Flowers April - June. Fruits dark blue with whitish bloom. Common throughout the Park. Common names cause confusion: also called Early Low Blueberry, Late Low Blueberry, Early Lowbush Blueberry, Low Blueberry, and Early Sweet Blueberry.

Height to 25 ft, a shrub or small tree.  Leaves 2 – 5 in, clustered at the ends of the twigs (sometimes causing difficulty in discerning leaf arrangement); veins strongly following leaf edges. This is the only dogwood with alternate leaves. Twigs green when young, turning dark red. Fruits blue-black with red stalks. Seen along the Falls Trail, especially in the vicinity of Waters Meet. In the summer of 2002, one plant had extensive leaf damage caused by a leaf beetle in the genus Calligrapha (probably C. rowena).

Height to 10 ft; gnarled. Leaves 2 - 5 in; evergreen; shiny; thick; often with small dead spots caused by a fungus (Cercospora kalmiae). Bark somewhat papery-shreddy. Flowers in clusters; white, pink to violaceous. Fruits in clusters; green to brown; spherical; often with a protruding hair-like style. Occasionally found scattered here and there, but mostly in dense stands throughout the Park. Sheep Laurel  is similar, smaller, and with opposite or whorled leaves, and more intensely colored (pink) flowers.

Height to 60 ft, but seldom becoming very tall in the Park. Leaves 3 - 6 in. Pith of twigs chambered (divided into blocks). Bark furrowed. Flowers pale green (April - June). Fruits blue (August - October). Found mostly along the lower portion of the Old Bulldozer Road Trail, the Evergreen Trail, and round the picnic area north of Rt. 118, as well as along the Beach Trail and the Grand View Trail.