Ageratina, commonly known as snakeroot, is a genus of more than 330 perennials and rounded shrubs in the family Asteraceae.
Polemonium, commonly called Jacob's ladders or Jacob's-ladders, is a genus of between 25 and 40 species of flowering plants in the family Polemoniaceae, native to cool temperate to arctic regions of the Northern Hemisphere. One species also occurs in the southern Andes in South America. Many of the species grow at high altitudes, in mountainous areas. Most of the uncertainty in the number of species relates to those in Eurasia, many of which have been synonymized with Polemonium caeruleum.
Packera is a genus of about 75 species of plants in the daisy family, Asteraceae. Most species are commonly called ragworts or grounsels. Its members were previously included in the genus Senecio, but were moved to a different genus based on chromosome numbers, a variety of morphological characters, and molecular phylogenetic evidence.
Astereae is a tribe of plants in the family Asteraceae that includes annuals, biennials, perennials, subshrubs, shrubs, and trees. They are found primarily in temperate regions of the world. Plants within the tribe are present nearly worldwide divided into over 250 genera and more than 3,100 species, making it the second-largest tribe in the family behind Senecioneae.
Isocoma, commonly called jimmyweed or goldenweed, is a genus of North American semi-woody shrubs in the family Asteraceae. It is found in the semi-arid areas of Southwestern United States and Mexico.
Cymopterus is a genus of perennial plants in the family Apiaceae native to western North America. They are commonly known as the spring parsleys and are edible. They are mostly stemless, taprooted perennial herbs with leaves at ground level and flowering scapes bearing yellow, white, or purple flowers.
Vesper purpurascens, synonym Cymopterus purpurascens, is a species of flowering plant in the carrot family Apiaceae, known by the common name widewing springparsley. It is native to much of the western United States, including the desert regions. It is a perennial herb, often stemless, producing leaves and inflorescence from ground level or from a fibrous basal stalk. The waxy, fleshy leaves have blades divided into multilobed leaflets and are borne on short petioles. The inflorescence is a rounded cluster of flowers held on a peduncle which may be erect and several centimeters tall or nearly nonexistent. The purple flowers are sheathed in dark-veined white bracts.
Viguiera is a genus of flowering plants in the family Asteraceae. It contains around 19–40 species, which are commonly known as goldeneyes and are native to the New World. These are herbs to bushy shrubs that bear yellow or orange daisy-like flowers.
Dieteria is a North American genus of flowering plants in the family Asteraceae.
Rayjacksonia is a genus of North American flowering plants in the family Asteraceae. It is one of several genera with the common name tansyaster.
Xanthisma, common name sleepy-daisy, is a genus of flowering plants in the family Asteraceae.
Leucosyris arida is an annual plant in the family Asteraceae, known by the common names arid tansyaster, desert tansyaster, and Silver Lake daisy. It is native to the very arid deserts of northern Mexico and the southwestern United States, and usually looks straggly and not very attractive. But in years with very heavy rainfall, it fills out and becomes rounded and bush like.
Dieteria canescens is an annual plant or short lived perennial plant in the family Asteraceae, known by the common names hoary tansyaster and hoary-aster.
Otopappus is a genus of flowering plants in the tribe Heliantheae within the family Asteraceae, primarily Mesoamerican but with one species from Jamaica.
Dieteria bigelovii, also known as Bigelow's tansyaster or sticky aster, is a North American species of plants in the family Asteraceae.
Vesper is a genus of flowering plants belonging to the family Apiaceae.
Hartmaniella is a genus of flowering plants belonging to the family Caryophyllaceae.
Nerisyrenia is a genus of flowering plants belonging to the family Brassicaceae.
