Amaranthus blitum, commonly called purple amaranth or Guernsey pigweed, is an annual plant species in the economically important plant family Amaranthaceae.
Lepidium virginicum, also known as least pepperwort or Virginia pepperweed, is an herbaceous plant in the mustard family (Brassicaceae). It is native to much of North America, including most of the United States and Mexico and southern regions of Canada, as well as most of Central America. It can be found elsewhere as an introduced species.
Typha angustifolia L. is a perennial herbaceous plant of genus Typha. This cattail is an "obligate wetland" species that is commonly found in the northern hemisphere in brackish locations.
Stellaria graminea is a species of flowering plant in the family Caryophyllaceae known by the common names common starwort, grass-leaved stitchwort, lesser stitchwort and grass-like starwort.
Chenopodiastrum murale, is a species of plant in the family Amaranthaceae known by the common names nettle-leaved goosefoot, Australian-spinach, salt-green, and sowbane. This plant is native to Europe and parts of Asia and northern Africa, but it is widespread worldwide, particularly in tropical and subtropical areas due to the ease of it being introduced. It is a common weed of fields and roadsides.
Lepidium perfoliatum is a species of flowering plant in the mustard family known by the common names clasping pepperweed and perfoliate pepperwort. It is native to Europe and Asia and it can be found in other parts of the world as an introduced species.
Blitum californicum is a species of flowering plant in the amaranth family known by the common names California goosefoot and (ambiguously) "Indian lettuce".
Dysphania multifida is a species of flowering plant in the family Amaranthaceae known by the common names cutleaf goosefoot and scented gooosefoot.
Madia sativa, known by the common names coast tarweed and Chilean tarweed, is a species of flowering plant in the family Asteraceae found in parts of western North and South America.
Malva nicaeensis is a species of flowering plant in the mallow family known by the common names bull mallow and French mallow.
Physalis pubescens is a species of flowering plant in the nightshade family known by many common names, including husk tomato, low ground-cherry and hairy groundcherry in English, and muyaca and capulí in Spanish. It is native to the Americas, including the southern half of the United States, Mexico, Central and much of South America. It can be found elsewhere as an introduced species and sometimes a weed. It can grow in many types of habitat, including disturbed areas. This is an annual herb producing a glandular, densely hairy stem up to about 60 cm (24 in) in maximum height from a taproot. The oval or heart-shaped leaves are 3–9 cm (1.2–3.5 in) long and have smooth or toothed edges. The flowers blooming from the leaf axils are bell-shaped and about a centimeter long. They are yellow with five dark spots in the throats, and have five stamens tipped with blue anthers. The five-lobed calyx of sepals at the base of the flower enlarges as the fruit develops, becoming an inflated, ribbed, lanternlike structure 2–4 cm (0.79–1.57 in) long which contains the berry.
Ribes montigenum is a species of currant known by the common names mountain gooseberry, alpine prickly currant, western prickly gooseberry, and gooseberry currant. It is native to western North America from Washington south to California and east as far as the Rocky Mountains, where it grows in high mountain habitat types in subalpine and alpine climates, such as forests and talus. It is a spreading shrub growing up to 1.5 meters tall, the branching stems covered in prickles and hairs and bearing 1 to 5 sharp spines at intervals.
Isolepis setacea is a species of flowering plant in the sedge family known by the common names bristle club-rush and bristleleaf bulrush. It is native to Eurasia and Africa, and possibly Australasia. It can be found in other places, including some areas in North America, where it is an introduced species. It grows in many types of moist and wet habitat, often in coastal regions, and sometimes inland. It is a perennial herb which forms mats of very thin, grooved, erect or arching stems up to about 20 centimeters tall. The leaves sheath the stem bases and have short, flat, thick blades. The inflorescence is a solitary spikelet just a few millimeters long, or a cluster of up to three spikelets. These are accompanied by a stiff bract extending past the flowers.
Senecio sylvaticus is a species of flowering plant in the aster family. It is variously known as the woodland ragwort, heath groundsel, or mountain common groundsel. It is native to Eurasia, and it can be found in other places, including western and eastern sections of North America, as an introduced species and an occasional roadside weed. It grows best in cool, wet areas. It is an annual herb producing a single erect stem up to 80 centimeters tall from a taproot. It is coated in short, curly hairs. The toothed, deeply lobed leaves are up to 12 centimeters long and borne on petioles. They are evenly distributed along the stem. The inflorescence is a wide, spreading array of many flower heads, each lined with green- or black-tipped phyllaries. The heads contain yellow disc florets and most have very tiny yellow ray florets as well.
Setaria verticillata is a species of grass known by the common names hooked bristlegrass, rough bristle-grass and bristly foxtail. It is native to Europe, but it is known on most continents as an introduced species and often a noxious weed. It is a hardy bunchgrass which grows in many types of urban, cultivated, and disturbed habitat. It is a weed of many types of agricultural crops, growing in vineyards and fields. Herbicide-resistant strains have been noted.
Sisymbrium loeselii is a species of flowering plant in the family Brassicaceae known by several common names, including small tumbleweed mustard, false London-rocket, throughe(ver:kashmiri) and tall hedge mustard. It is native to Eurasia, and it is known on other continents as an introduced species and in some areas a common roadside weed.
Sisymbrium orientale is a species of flowering plant in the family Brassicaceae known by the common names Indian hedgemustard and eastern rocket. It is native to Europe, Asia, and North Africa, and it can be found throughout much of the temperate world as an introduced species and in some areas a common roadside weed. It is an annual herb producing a hairy, branching stem up to about 30 centimeters tall. The basal leaves are divided into deep lobes or toothed leaflets. Leaves higher on the stem have lance-shaped blades with small separate lobes near the base. The top of the stem is occupied by a raceme of flowers with light yellow petals each measuring up to a centimeter long. The fruit is a silique which can be up to 10 centimeters long.
Triteleia hyacinthina is a species of flowering plant known by the common names white brodiaea, white tripletlily, hyacinth brodiaea, and fool's onion. It is native to western North America from British Columbia to Idaho to central California. Its habitat includes grassland and vernally moist areas such as meadows and vernal pools. It is a perennial herb growing from a corm. It produces two or three basal leaves up to 40 centimeters (16 in) long by 2 centimeters (0.79 in) wide. The inflorescence arises on an erect stem up to 60 centimeters (24 in) tall and bears an umbel-like cluster of many flowers. Each flower is a funnel-shaped bloom borne on a pedicel up to 5 centimeters (2.0 in) long. The flower is white, often tinged purple along the tubular throat, with six green-veined tepals. There are six stamens with white, yellow, or occasionally blue anthers.
Verbena bracteata is a species of verbena known by the common names bracted vervain, bigbract verbena, prostrate vervain, and carpet vervain. It is native to North America where it is widespread, occurring throughout the continent except for northern Canada and southern Mexico. It occurs in many types of habitat, especially disturbed areas. It typically blooms between the months of May and October. This annual or biennial herb produces several hairy, spreading stems up to 30 centimeters long forming a low mat on the ground. The hairy leaves are toothed or lobed. The inflorescence is a spike of flowers which is dense with long, pointed, leaflike bracts each up to 8 millimeters long. Each small tubular flower is about half a centimeter wide and white to pale purple in color.
Blitum is a genus of flowering plants in the amaranth family Amaranthaceae, subfamily Chenopodioideae. It is closely related to genus Spinacia. Its 12 species were traditionally placed in the genera Chenopodium, Monolepis, or Scleroblitum. The species of genus Blitum occur in Asia, Europe, North Africa, the Americas, and Australia.
