Flora of New Brunswick

Pedicularis furbishiae, or Furbish's lousewort, is a perennial herb found only on the shores of the upper Saint John River in Maine and New Brunswick. Furbish's lousewort was first recognized as a new species by Maine naturalist and botanical artist Kate Furbish (who named it Furbish's wood betony) in 1880. It is considered an endangered species in the United States and Canada, and is threatened by habitat destruction, as well as riverside development, forestry, littering and recreational use of the riverbank. It was formerly in the family Scrophulariaceae, but is now placed in the family

Carex waponahkikensis, commonly known as the Dawn-land sedge, is a species of sedge first described by M. Lovit and A. Haines in 2012. It is native to a small range in the state of Maine as well as in adjacent parts of coastal New Brunswick.

Crataegus jonesiae is a species of hawthorn native to New England and Canada. It is named in honor of landscape architect Beatrix Jones Farrand, who first noticed it and brought it to Charles Sprague Sargent's attention.

Symphyotrichum laurentianum (formerly Aster laurentianus) is a critically imperiled species of flowering plant in the family Asteraceae endemic to the southern shores of the Gulf of St. Lawrence in Canada. Commonly known as Gulf of St. Lawrence aster, it is an annual, herbaceous plant with one stem and no ray florets that grows up to about 13 centimetres (5 inches) tall.

Symphyotrichum anticostense (formerly Aster anticostensis) is a species of flowering plant in the family Asteraceae with the common name of Anticosti aster. It is endemic to Quebec, New Brunswick, and Maine. S. anticostense is a perennial, herbaceous plant that may reach 10 to 90 centimeters (4 to 35 inches) in height. Its flowers have pale purple or lilac, sometimes white, ray florets and yellow, then reddish purple, disk florets.

Agalinis neoscotica, commonly known as Nova Scotia false foxglove, is a species of false foxglove. It is found in southwestern Nova Scotia along the coastal plain and neighbouring islands and in the southeastern portion of Maine.

Bidens heterodoxa, the Connecticut beggarticks, is a North American species of flowering plant in the family Asteraceae. It is native to eastern Canada (Québec, New Brunswick, Prince Edward Island) and the northeastern United States (Connecticut). Bidens heterodoxa is an annual herb up to 50 cm (20 inches) tall. It produces as many as 3 flower heads containing yellow disc florets but usually no ray florets (occasionally 1, 2, or 3). The species grows mostly along the banks of estuaries and coastal salt marshes.

× Sorbaronia is a hybrid genus of flowering plants belonging to the family Rosaceae. The hybrids are between species of Sorbus and Aronia. It is native to Eastern Canada. In addition, × Sorbaronia fallax has been created artificially.

Hieracium robinsonii, or Robinson's hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It is native to eastern Canada and the northeastern United States (Québec, New Brunswick, Nova Scotia, Maine, and New Hampshire). There are reports of it formerly growing in Newfoundland, but it does not appear to grow there now. Hieracium robinsonii is an herb up to 35 cm (14 in) tall with star-shaped hairs, with leaves both on the stem and in a rosette at the bottom. Leaves are up to 80 mm (3.1 in) long, with no or only a few hairs on the upper surface and

Salicornia maritima, the sea glasswort or slender glasswort, is a succulent, salt-tolerant plant found along the eastern coast of North America, including Maine and New Brunswick. It produces flowers towards late summer or beginning of fall. This plant is sometimes mistaken for Salicornia depressa.

Triglochin gaspensis (common name - Gaspé Peninsula arrow grass) is a species of flowering plant in the family Juncaginaceae, native to eastern Canada (New Brunswick, Newfoundland island, Nova Scotia, Prince Edward Island and Quebec), and Maine in the north-eastern United States, where it is found growing in the tidal zone of the Atlantic coast below the high-water mark. It was first described by Helmut Lieth and Doris Löve in 1961.

Iris hookeri, commonly called the beach head iris, is a species of Iris. It is endemic to sea coasts and beaches in Maine, in the Northeastern United States and also eastern Canada. It blooms in July. It was first published by the English botanist George Penny in Hort. Brit. (edited by J.C.Loudon), edition 2 on page 591 in 1832, based on an earlier description by George Don. The Latin specific epithet hookeri refers to the English botanist William Jackson Hooker. It is found in Eastern Canada within the states of Québec, Nova Scotia, Prince Edward Island, New Brunswick, Newfoundland and

Sceptridium rugulosum, also known as the ternate grapefern or the St. Lawrence grapefern, is a species of fern. It is an evergreen, perennial species found in the vicinity of the St. Lawrence Seaway.

Rubus biformispinus, the pasture dewberry, is an uncommon North American species of flowering plant in the rose family. It is found in eastern and central Canada (from Ontario to Nova Scotia) and the northeastern United States (Maine, New York, Pennsylvania). The epithet biformispinus means "with spines of two shapes," referring to the two distinct sizes of prickles on the stems. The genetics of Rubus is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested

Polemonium vanbruntiae is a species of flowering plant in the phlox family Polemoniaceae. It is known by the common names Appalachian Jacob's ladder, bog Jacob's-ladder, and Vanbrunt's polemonium. It is native to eastern Canada and the northeastern United States.

Bidens hyperborea is a species of flowering plant in the family Asteraceae commonly known as estuary beggarticks, northern beggarticks, or estuary bur-marigold. Known from marshes and estuarine regions in northeastern North America, it is a variable annual herb with yellow flowers similar to Bidens cernua, Bidens laevis, and Bidens eatonii. B. hyperborea is listed as an endangered species in the state of Massachusetts, where it is threatened by habitat degradation, and is listed by NatureServe as critically imperiled (S1) in the province of Ontario and possibly extirpated from New Hampshire.

Schizaea pusilla, the little curlygrass fern, is a species of fern in the family Schizaeaceae. It was first described by the German-American botanist Frederick Traugott Pursh in 1814. It is native to New Brunswick, Newfoundland, and Nova Scotia in Canada, the French overseas territory of Saint Pierre and Miquelon, and New York, New Jersey, Delaware, and North Carolina in the United States of America. It is listed as endangered by the state of New York.

Bidens eatonii (Eaton's beggarticks) is a North American species of flowering plant in the family Asteraceae. It is native to eastern Canada (Québec, New Brunswick, Prince Edward Island) and the northeastern United States (Maine, Massachusetts, Connecticut, New York, New Jersey). Bidens eatonii is an annual herb up to 150 cm (60 inches) tall. It produces as many as 3 flower heads containing yellow disc florets but usually no ray florets (occasionally 1, 2, or 3). The species grows mostly along the banks of estuaries and coastal salt marshes.

Vaccinium boreale, common name northern blueberry, sweet hurts, or bleuet boréal (in French), is a plant species native to North America.

Polystichum × potteri, known as Potter's holly fern, is a hybrid between Polystichum braunii and Polystichum acrostichoides. It is named for Henry Potter, a Vermont farmer and botanist.

Crataegus flabellata is a species of hawthorn known by the common name fanleaf hawthorn. It is native to the northeastern United States and adjacent Canada. It is intermediate in appearance between C. macrosperma and C. chrysocarpa. C. macrosperma, which occurs throughout the range of C. flabellata and also in the southeastern U.S., is often misidentified as C. flabellata.

Betula minor, the dwarf white birch, is a species of birch which can be found in Eastern Canada and in such US states as Maine, New Hampshire, and New York.

Trichophorum clintonii, the Clinton's bulrush, is a plant species native to Canada and the northeastern United States. It has been reported from Alberta, Saskatchewan, Ontario, Québec, New Brunswick, Maine, New York State, Michigan, Wisconsin, and Minnesota. Trichophorum clintonii is a perennial herb up to 40 centimeters (16 in) tall, forming dense clumps but without rhizomes. Culms are triangular in cross-section. Leaves are up to 25 centimeters (9.8 in) long. The inflorescences is one brown spikelet with three to six flowers. Achenes are flattened triangles about 2 millimeters (0.079 in)

Rubus trifrons is a rare North American species of flowering plant in the rose family. It has been found only in eastern Canada (Québec and Nova Scotia) and the northeastern United States (New York, New Hampshire, Vermont). The genetics of Rubus is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy. Some studies have suggested that R. trifrons may have originated as a hybrid between R. setosus and R. hispidus.

Packera schweinitziana, commonly called New England groundsel, is a species of flowering plant in the aster family (Asteraceae). It is native to eastern North America, where it is primarily found in eastern Canada and the northeastern United States, with disjunct populations in North Carolina and Tennessee on Roan Mountain. Its natural habitat is in sunny, wet areas, often in acidic soil. In the southeastern United States, its habitat is restricted to Appalachian balds. Packera schweinitziana is a perennial growing to around 70 cm tall, and is occasionally rhizomatous. It produces heads of

Carex salina, also known as saltmarsh sedge, is a species of flowering plant in the sedge family, Cyperaceae. It is native to Eastern Canada , Norway, and parts of Northern Russia.

Crataegus scabrida is a species of hawthorn.

Symphyotrichum tradescantii (formerly Aster tradescantii) is a species of flowering plant in the family Asteraceae native to northeastern North America. Common names include Tradescant's aster and shore aster.

Rumex persicarioides is a flowering dicot species in the family Polygonaceae. This species flowers annually in the summer-time but on rare occasions it has been found to be biennial. R. persicarioides is not cultivated for human use and should not be confused with the similarly named genus Persicariae.

Salix myricoides, the bayberry willow or blue-leaf willow, is a species of flowering plant in the family Salicaceae, native to the Great Lakes region of the Midwestern United States, and to eastern Canada. It is typically found on beaches and dunes of the Lakes, and occasionally along inland streams and in fens, if calcareous. For example, in Maine it is found only on the ice-scoured shore of the St. John River.