Persicaria maculosa is an annual plant in the buckwheat family, Polygonaceae. Common names include lady's thumb, spotted lady's thumb, Jesusplant, and redshank. It is widespread across Eurasia from Iceland south to Portugal and east to Japan. It is also present as an introduced and invasive species in North America, where it was first noted in the Great Lakes region in 1843 and has now spread through most of the continent.
Myrrhis odorata, with common names cicely, sweet cicely, myrrh, garden myrrh, and sweet chervil, is a herbaceous perennial plant belonging to the celery family Apiaceae. It is the only species in the genus Myrrhis.
Lysimachia europaea is a flowering plant in the primrose family Primulaceae, called by the common name chickweed-wintergreen or arctic starflower. It is a small herbaceous perennial plant with one or more whorls of leaves on a single slender erect stem. It is about one third of a foot high (10 cm). The broad lanceolate leaves are pale green but take on a copper hue in late summer. The solitary white flowers are reminiscent of small wood anemones and appear in midsummer. The fruits are globular dry capsules but are seldom produced.
Silene dioica, known as red campion and red catchfly, is a herbaceous flowering plant in the family Caryophyllaceae, native throughout central, western and northern Europe, and locally in southern Europe. It has been introduced in Iceland, Canada, the US, and Argentina.
Gnaphalium is a genus of flowering plants in the family Asteraceae, commonly called cudweeds. They are widespread and common in temperate regions, although some are found on tropical mountains or in the subtropical regions of the world.
Myosotis sylvatica, the wood forget-me-not or woodland forget-me-not, is a species of flowering plant in the family Boraginaceae, native to Europe. This spring-flowering plant and its cultivars, typically with blue flowers, are the familiar forget-me-nots of gardens.
Sagina subulata (, the heath pearlwort, Irish-moss, awl-leaf pearlwort or Scottish moss, is a species of flowering plant in the pink and carnation family Caryophyllaceae. It is native to Europe, from Iceland south to Spain, and east to southern Sweden and Romania. It occurs on dry sandy or gravelly soils.
Gnaphalium uliginosum, the marsh cudweed, is an annual plant found on damp, disturbed ground and tracks. It is very widespread across much of Europe, Asia, and North America. It is very common on damp, arable grasslands, paths, and on acid soils.
Stachys sylvatica, commonly known as hedge woundwort, whitespot, or sometimes as hedge nettle, is a perennial herbaceous plant growing to 80 cm (31 in) tall in woodland and unmanaged grassland. In temperate zones of the northern hemisphere it flowers in July and August. The flowers are purple. The leaves, when crushed or bruised, give off an unpleasant fetid smell.
Euchiton sphaericus, the star cudweed or tropical creeping cudweed, is a herb native to Australia, New Zealand, New Caledonia, Taiwan, Java, and Philippines. It has become naturalized in a few places in the United States.
Pseudognaphalium luteoalbum, synonyms including Helichrysum luteoalbum, is a species of flowering plant in the family Asteraceae. In the United Kingdom, it is known the Jersey cudweed.
Omalotheca norvegica, synonym Gnaphalium norvegicum, is a European species of plants in the family Asteraceae. It is known as the highland cudweed or Norwegian arctic cudweed. It is native to eastern Canada and Greenland, and widespread across much of Eurasia from the Mediterranean north to Finland and Iceland and east to Siberia.
Omalotheca is a genus of flowering plants in the daisy family. It is commonly known as arctic cudweed.
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.
Lotus hirsutus, also known by the synonym Dorycnium hirsutum, common name: canary clover or hairy canary-clover, is a species of flowering plant in the legume family Fabaceae.
Cyclachaena xanthiifolia, known as giant sumpweed, or rag sumpweed is a North American plant species in the sunflower family, Asteraceae. It is the only species in the genus Cyclachaena. Giant sumpweed is believed to be native to the Great Plains but is now found across much of southern Canada and the contiguous United States, though rarely in the Southeast.
Glaucium corniculatum, the blackspot hornpoppy or red horned-poppy, is a species of the genus Glaucium in the poppy family (Papaveraceae). It is an annual flowering plant, occurring in southern Europe, and grows up to 1 foot (30 cm) high. The stem and leaves are hairy, the capsule fruit is covered with stiff hair, the flower is red, with a black spot on the base of the tepal bract, which has a yellow margin around it. The flower appears from June until August.
Gamochaeta pensylvanica, the Pennsylvania cudweed or Pennsylvania everlasting, is a widespread species of flowering plant in the family Asteraceae. It is native to South America and introduced into Eurasia, Africa, Australia, and North America. The pensylvanica epithet is a misnomer, as the plant is not native to Pennsylvania and only marginally naturalized there.
Gnaphalium polycaulon, the many stem cudweed, is a plant species in the family Asteraceae. It is widespread across much of Mesoamerica, South America, and the West Indies, and naturalized in parts of Asia and Africa.
Clinopodium menthifolium, commonly known as the wood calamint or woodland calamint, is a species of flowering plant in the mint family, Lamiaceae. It is found throughout southern and central Europe from the United Kingdom and east as far as temperate parts of Asia, and as south as North Africa. It grows up to 1,700 m (5,600 ft) in elevation.
