Flowering plants and conifers of Storrs (CT)

Galium triflorum (also known as cudweed, Sweet-scented Bedstraw, and Fragrant Bedstraw) is a herbaceous plant of the family Rubiaceae. It grows throughout the Northern Hemisphere. It exists in creeps along the forest floor, with whorled leaves and single fruiting peduncles rising above basal rosettes. There are six leaflets in a whorl below the peduncle. Each peduncle has three fruiting structures, each having a single fuzzy ball. Stems are square. The entire vine does not feel very... less ↑

Rumex acetosella is a species of sorrel, bearing the common names sheep's sorrel, red sorrel, sour weed, and field sorrel. The plant and its subspecies are common perennial weeds. It has green arrowhead-shaped leaves and red-tinted deeply ridged stems, and it sprouts from an aggressive and spreading rhizome. The flowers emerge from a tall, upright stem. Female flowers are maroon in color. less ↑

Persicaria longiseta is a species of flowering plant in the knotweed family known by the common names Oriental lady's thumb, bristly lady's thumb, Asiatic smartweed, long-bristled smartweed, Asiatic waterpepper, bristled knotweed, bunchy knotweed, and tufted knotweed. It is native to Southeast Asia, and it is present in North America and Europe as an introduced species and often a weed. less ↑

Polygonum pensylvanicum (syn. Persicaria pensylvanica) is a species of flowering plant in the buckwheat family, Polygonaceae. It is native to parts of North America, where it is widespread in Canada and the United States. It has also been noted as an introduced species in parts of Europe and South America. Common names include Pennsylvania smartweed and pinkweed. less ↑

Persicaria sagittata, common names American tearthumb, arrowleaf tearthumb, or arrowvine, is a plant species widespread in the eastern half of North America as well as in eastern Asia. It is known from every state and province from Texas to Manitoba to Newfoundland to Florida, plus Colorado and Oregon. It is also reported from China, the Russian Far East, Siberia, Korea, Japan, northern India and Mongolia. It grows in moist areas along lake shores, stream banks, etc. less ↑

Fallopia japonica, commonly known as Japanese knotweed, is a large, herbaceous perennial plant of the family Polygonaceae, native to Eastern Asia in Japan, China and Korea. In North America and Europe the species is very successful and has been classified as an invasive species in several countries. Japanese knotweed has hollow stems with distinct raised nodes that give it the appearance of bamboo, though it is not closely related. While stems may reach a maximum height... less ↑

Fallopia sachalinensis (Giant Knotweed or Sakhalin Knotweed Japanese オオイタドリ ooitadori, Russian Горец сахалинский, Гречиха сахалинская; syn. Polygonum sachalinense F.Schmidt, Reynoutria sachalinensis (F.Schmidt) Nakai) is a species of Fallopia native to northeastern Asia in northern Japan (Hokkaidō, Honshū) and the far east of Russia (Sakhalin and the southern Kurile Islands). less ↑

Stellaria graminea is a species of flowering plant in the Caryophyllaceae family (like pinks) known by the common names grassleaf starwort and common stitchwort. It is native to Eurasia but it is widespread around other parts of the temperate world as an introduced species and a common weed. It grows in many types of habitat, including lawns and roadsides. It is a rhizomatous perennial herb producing branching stems which are prostrate, sprawling, trailing, or erect, and... less ↑

Stellaria media, chickweed, is a cool-season annual plant native to Europe, which is often eaten by chickens. It is sometimes called common chickweed to distinguish it from other plants called chickweed. Other common names include chickenwort, craches, maruns, winterweed. The plant germinates in fall or late winter, then forms large mats of foliage. Flowers are small and white, followed quickly by the seed pods. This plant flowers and sets seed at the same time. less ↑

Cerastium fontanum, also called Mouse-ear chickweed, Common mouse-ear, or Starweed is a species of mat forming perennial, or rarely, annual plant. It is native to Europe but introduced elsewhere. Mouse-ear chickweed's identifying characteristics are tear-shaped leaves growing opposite one another in a star pattern, hairy leaves, and small white flowers. Mouse-ear chickweed typically grows to 4"-8" tall vertically and spreads horizontally along the ground via the formation of roots wherever the stem falls over and contacts... less ↑

Spergularia rubra, the red sand spurrey or red sandspurry, is a plant species in the pink family. It is native to Europe and Asia, and it is present on other continents, including North and South America and Australia, as an introduced species and in many areas a common weed. It grows in a wide variety of habitat types. It is an annual or perennial herb producing a slender, glandular stem up to about 25 centimeters long.... less ↑

American Pokeweed (Phytolacca americana) is a large semi-succulent herbaceous perennial plant growing up to 10 feet (3 metres) in height. It is native to eastern North America, the Midwest, and the Gulf Coast, with more scattered populations in the far West. It is also known as Virginia poke,American nightshade, cancer jalap, coakum, garget,inkberry, pigeon berry,pocan,pokeroot,pokeweed,pokeberry,redweed, scoke,red ink plant and chui xu shang lu (in Chinese medicine). Parts of this plant are highly toxic to livestock and humans,... less ↑

Celastrus orbiculatus is a woody vine of the Celastraceae family. It is commonly called Oriental bittersweet. Other common names include Chinese bittersweet,Asian bittersweet,Round-leaved bittersweet, and Asiatic bittersweet. Celastrus orbiculatus was introduced into North America in 1879, and is considered to be an invasive species in eastern North America. It closely resembles the native North American species, Celastrus scandens, with which it will readily hybridize. less ↑

Celastrus scandens, commonly called American Bittersweet or Bittersweet, is a species of Celastrus that blooms mostly in June and is commonly found on rich, well-drained soils of woodlands. It has a sturdy perennial vine that may have twining, woody stems that are 30 feet (9.1 m) or longer and an inch or more thick at the base. The stems are yellowish-green to brown and wind around other vegetation, sometimes killing saplings by restricting further growth. It has... less ↑

Doellingeria infirma (common name Cornel Leaved Aster) is a late summer flowering perennial forb with white flowers, which is native to the Eastern United States. It is listed as an endangered species by the state of Massachusetts. It is found growing in mesic to dry woodland habitat and clearings. Before the division of the Aster genus into several smaller genera, including Doellingeria, this species was categorized as Aster infirmus. less ↑

Eupatorium perfoliatum or (Common) Boneset is a common perennial plant native to the Eastern United States and Canada, with a range from Nova Scotia to Florida, as well as from Louisiana and Texas through North Dakota. It is also called "agueweed", "feverwort" or "sweating-plant". It was introduced to American colonists by Indians who used the plant for breaking fevers by means of heavy sweating. It is nearly always found in low, wet areas and is often... less ↑

Ageratina altissima, also known as white snakeroot,richweed,white sanicle, or tall boneset, is a poisonous perennial herb in the family Asteraceae, native to eastern North America. An older binomial name for this species was Eupatorium rugosum, but the genus Eupatorium has undergone taxonomic revision by botanists and a number of the species once included there have been moved to other genera. less ↑

Hieracium pilosella (syn. Pilosella officinarum), known as mouse-ear hawkweed, is a yellow-flowered species of Asteraceae, native to Europe and northern Asia. It produces single, citrus-coloured inflorescences. It is an allelopathic plant. Like most hawkweed species, it shows tremendous variation and is a complex of several dozens subspecies and hundreds of varieties and forms. less ↑

Achillea millefolium, known commonly as yarrow /ˈjæroʊ/ or common yarrow, is a flowering plant in the family Asteraceae. It is native to temperate regions of the Northern Hemisphere in Asia, Europe, and North America. In New Mexico and southern Colorado, it is called plumajillo (Spanish for 'little feather') from its leaf shape and texture. In antiquity, yarrow was known as herbal militaris, for its use in stanching the flow of blood from wounds. Other common names... less ↑

Hypochaeris radicata (sometimes spelled Hypochoeris radicata), also known as catsear, flatweed,cat's ear or false dandelion, is a perennial, low-lying edible herb often found in lawns. The plant is native to Europe, but has also been introduced to the Americas, Japan, Australia and New Zealand where it can be an invasive weed. It is listed as a noxious weed in Washington State, USA. less ↑

Common chicory, Cichorium intybus, is a somewhat woody, perennial herbaceous plant usually with bright blue flowers, rarely white or pink. Various varieties are cultivated for salad leaves, chicons (blanched buds), or for roots (var. sativum), which are baked, ground, and used as a coffee substitute and additive. It is also grown as a forage crop for livestock. It lives as a wild plant on roadsides in its native Europe, and in North America and Australia, where... less ↑

Lactuca biennis is a species of wild lettuce known by the common names tall blue lettuce and blue wood lettuce. It is native to the eastern half of the United States and Canada, but it can also be found in much of the western half as an introduced species. This is a biennial herb in the daisy family growing from a taproot to heights anywhere from one half to four meters. There are deeply lobed, toothed... less ↑

Lactuca serriola, also called prickly lettuce,milk thistle (not to be confused with Silybum marianum, also called milk thistle) compass plant, and scarole, is an annual or biennial plant, slightly foetid, that is commonly considered a weed of orchards, roadsides and field crops. The closest wild relative of cultivated lettuce (Lactuca sativa L.). The leaves grow along a spiny stem and get progressively smaller as they reach its top. They emit latex when cut. Many flowers are... less ↑

Taraxacum officinale, the common dandelion (often simply called "dandelion"), is a flowering herbaceous perennial plant of the family Asteraceae (Compositae). It can be found growing in temperate regions of the world, in lawns, on roadsides, on disturbed banks and shores of water ways, and other areas with moist soils. T. officinale is considered a weed, especially in lawns and along roadsides, but it is sometimes used as a medical herb and in food preparation. Common dandelion... less ↑

Galinsoga quadriradiata is a species of flowering plant in the daisy family which is known by several common names, including shaggy soldier, hairy galinsoga, and fringed quickweed. It is found throughout most of the temperate world, but apparently its native home is Mexico. In Portuguese-speaking countries where it is widely naturalized - e.g. in Brazil - it is known as botão-de-ouro. As an agricultural weed it can reduce crop yields by up to 50%. less ↑

Solidago nemoralis is a species of flowering plant in the aster family, Asteraceae. It is native to North America, where it is widely distributed in Canada except the northern provinces and the United States except the western states. Its common names include gray goldenrod, gray-stem goldenrod, old-field goldenrod,field goldenrod,prairie goldenrod, dwarf goldenrod, and dyersweed goldenrod. less ↑

Bidens frondosa is a species of flowering plant in the aster family, Asteraceae. It is native to North America, where it is distributed across Canada to Alaska and most all of the contiguous United States, and into Mexico. It is known in many other parts of the world as an introduced species, including Europe, Asia, Morocco, and New Zealand. Its many common names include devil's beggarticks, devil's-pitchfork, devil's bootjack, sticktights, bur marigold, pitchfork weed, tickseed sunflower,leafy... less ↑

Artemisia vulgaris (mugwort or common wormwood) is one of several species in the genus Artemisia commonly known as mugwort, although Artemisia vulgaris is the species most often called mugwort. This species is also occasionally known as felon herb, chrysanthemum weed, wild wormwood, old Uncle Henry, sailor's tobacco, naughty man, old man or St. John's plant (not to be confused with St John's wort). Mugworts are used medicinally and as culinary herbs. less ↑

Eurybia divaricata (formerly Aster divaricatus), commonly known as the white wood aster, is an herbaceous plant native to eastern North America. It occurs in the eastern United States, primarily in the Appalachian mountains, though it is also present in southeastern Canada, but only in about 25 populations in the provinces of Ontario and Quebec. In the U.S. it is abundant and common, but in Canada it is considered threatened due to its restricted distribution. It can... less ↑

Ambrosia artemisiifolia, Common Ragweed, is the most widespread plant of the genus Ambrosia in North America. It has also been called Annual Ragweed, Bitterweed, Blackweed, Carrot Weed, Hay Fever Weed, Roman Wormwood, Stammerwort, Stickweed, Tassel Weed, and American Wormwood. It is native in North America. The species name, artemisiifolia, is given because the leaves were thought to bear a resemblance to the leaves of Artemisia, the true wormwoods. less ↑

Leucanthemum vulgare, the ox-eye daisy or oxeye daisy, (syn. Chrysanthemum leucanthemum), is a widespread flowering plant native to Europe and the temperate regions of Asia and an introduced plant to North America, Australia, and New Zealand. It is one of a number of Asteraceae family plants to be called a "daisy", and has the vernacular names: common daisy, dog daisy, moon daisy, and oxe-eye daisy. less ↑

The Jerusalem artichoke (Helianthus tuberosus), also called sunroot, sunchoke, earth apple or topinambour, is a species of sunflower native to eastern North America, and found from eastern Canada and Maine west to North Dakota, and south to northern Florida and Texas. It is also cultivated widely across the temperate zone for its tuber, which is used as a root vegetable. less ↑

Rudbeckia hirta, black-eyed Susan, is a species of flowering plant in the family Asteraceae, native to the central United States. It is one of a number of plants with the common name black-eyed Susan. Other common names for this plant include: brown-eyed Susan, brown Betty, gloriosa daisy, golden Jerusalem, Poorland daisy, yellow daisy, and yellow ox-eye daisy. less ↑

Geranium maculatum, the spotted geranium, wood geranium, or wild geranium is a woodland perennial plant native to eastern North America, from southern Manitoba and southwestern Quebec south to Alabama and Georgia and west to Oklahoma and South Dakota. It is known as Spotted Cranesbill or Wild Cranesbill in Europe, but the Wood Cranesbill is another plant, the related G. sylvatium (a European native called "Woodland Geranium" in North America). Colloquial names are Alum Root, Alum Bloom... less ↑

Oxalis stricta, called the common yellow woodsorrel (or simply yellow woodsorrel), common yellow oxalis, upright yellow-sorrel, lemon clover, or more ambiguously and informally "sourgrass" or "pickle plant", is an herbaceous plant native to North America, parts of Eurasia, and has a rare introduction in Britain. It tends to grow in woodlands, meadows, and in disturbed areas as both a perennial and annual. Erect when young, this plant later becomes decumbent as it lies down, and branches less ↑

Toxicodendron radicans, commonly known as poison ivy (older synonyms are Rhus toxicodendron and Rhus radicans), is a poisonous North American and Asian plant that is well known for its production of urushiol, a clear liquid compound found within the sap of the plant that causes an itching, irritation and sometimes painful rash in most people who touch it. The plant is not a true ivy (Hedera). less ↑