Echinodorus berteroi is an aquatic plant species in the Alismataceae It is native to the southern and central parts of the United States, as well as Central America, the West Indies, and South America as far south as Argentina.
Nymphaea odorata, also known as the American white waterlily, fragrant water-lily, beaver root, fragrant white water lily, white water lily, sweet-scented white water lily, and sweet-scented water lily, is an aquatic plant belonging to the genus Nymphaea. It can commonly be found in shallow lakes, ponds, and permanent slow moving waters throughout North America where it ranges from Central America to northern Canada. It is also reported from Brazil and Guyana.
Omalotheca sylvatica, synonyms including Gnaphalium sylvaticum, is a species of plant in the family Asteraceae. It is commonly known as heath cudweed, wood cudweed, golden motherwort, chafeweed, owl's crown, and woodland arctic cudweed. It is widespread across the temperate Northern Hemisphere, throughout North America and Eurasia. The species was first formally described by Carl Linnaeus in 1753 as Gnaphalium sylvaticum.
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.
Gamochaeta is a genus of flowering plants in the family Asteraceae. There has not always been agreement among botanists regarding its status as a recognized genus, but it has become more accepted in recent years. It currently includes many plants that previously belonged in genus Gnaphalium. Like many species of Gnaphalium, many Gamochaeta are called cudweeds or everlastings.
Bidens beckii, commonly called Beck's water-marigold or simply water marigold is a species of flowering plant in the family Asteraceae. It is native to Canada and the northern United States.
Euchiton collinus, the creeping cudweed, is a herb native to Australia and New Zealand. It has become naturalized in a few places in the United States.
Euthamia leptocephala, the bushy goldentop or Mississippi Valley goldentop, is a North American species of plants in the family Asteraceae. It is native to the south-central United States, in the lower Mississippi Valley and the Coastal Plain of the Gulf of Mexico, from Texas to west-central Georgia and north as far as southern Illinois.
Gamochaeta antillana, the delicate everlasting, is a species of flowering plant in the family Asteraceae. It is native to the Greater Antilles and to the southeastern United States. It has also become naturalized in other places.
Gamochaeta stagnalis, the desert cudweed, is a species of flowering plant in the family Asteraceae. It is native to Mexico, Guatemala, and the southwestern United States.
Gamochaeta stachydifolia is a species of flowering plant in the family Asteraceae. It is native to South America and naturalized in parts of California.
Gamochaeta coarctata, the gray everlasting, is a species of flowering plant in the family Asteraceae. It is widespread in South America and naturalized in parts of Eurasia, Australia, and North America.
Gamochaeta sphacelata, the owl's crown, is a species of flowering plant in the family Asteraceae. It is widespread across South America, Central America, and Mexico with the distribution just barely crossing the Río Grande into western Texas.
Gamochaeta argyrinea, the silvery cudweed or silvery everlasting, is a North American species of flowering plant in the family Asteraceae. It is widespread across the southeastern and south-central United States from Delaware south to Florida and west as far as southeastern Kansas and central Texas. It has also been found in Puerto Rico and in northern California.
Gamochaeta ustulata, commonly named featherweed or Pacific cudweed, is a North American species of flowering plant in the family Asteraceae. It is native to the western United States and southwestern Canada, in British Columbia, Washington, Oregon, and California. It is found primarily on seaside hills and in the Coast Ranges, with additional populations inland.
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.
Hieracium longipilum, the hairy hawkweed, is a North American plant species in the tribe Cichorieae within the family Asteraceae. It is widespread across much of central Canada and the central United States from Ontario south to Texas and Louisiana. There are old reports of the species growing in Québec, but apparently does not grow there now.
Hymenopappus newberryi, or Newberry's hymenopappus, is a North American species of flowering plant in the daisy family. It grows in the states of New Mexico and Colorado in the southwestern United States.
Hypochaeris microcephala, the smallhead cat's ear, is a species of plants in the tribe Cichorieae within the family Asteraceae. It is native to South America and naturalized in parts of North America.
