Eastern Massachusetts Vascular Plants
Explore [Plants Characteristic of Each Community Type] or [Community Types Where Each Plant Is Present]
Shrub Swamp Community [Fact Sheet] — State Rank S5
Allocation of plants to certain layers may not match that suggested in the NHESP community fact sheet.

Tree Layer
Acer rubrum — red maple
Betula populifolia — gray birch
Frangula alnus — glossy buckthorn — INVASIVE
Pinus strobus — white pine
Rhamnus alnifolia — alder-leaf buckthorn
Shrub Layer
Alnus incana ssp. rugosa — speckled alder
Alnus serrulata — smooth alder, common alder
Cephalanthus occidentalis — common buttonbush
Ilex verticillata — common winterberry
Lindera benzoin — spicebush
Lyonia ligustrina — maleberry
Myrica gale — sweet gale
Rhododendron viscosum — swamp azalea
Salix discolor — large pussy willow
Salix nigra — black willow
Spiraea tomentosa — steeplebush
Swida amomum — silky dogwood
Toxicodendron vernix — poison sumac
Viburnum dentatum — northern arrowwood
Herbaceous/Ground Layer (including shrubby groundcovers)
Calamagrostis canadensis — Canada bluejoint
Carex spp. — sedges
Chelone glabra — white turtlehead
Clematis virginiana — virgin's-bower
Decodon verticillatus — swamp loosestrife, waterwillow
Lysimachia terrestris — swamp candles
Lythrum salicaria — purple loosestrife — INVASIVE
Onoclea sensibilis — sensitive fern
Osmunda regalis — royal fern
Osmundastrum cinnamomeum — cinnamon fern
Phalaris arundinacea — reed canarygrass — INVASIVE
Pilea pumila — clearweed, richweed
Rubus hispidus — bristly dewberry
Sagittaria latifolia — common arrowhead
Sanguisorba canadensis — Canadian burnet, American burnet
Sparganium spp. — bur-reed
Symplocarpus foetidus — skunk cabbage
Thelypteris palustris — marsh fern