The family Campanulaceae, of the order Asterales, contains nearly 2400 species in 84 genera of herbaceous plants, shrubs, and rarely small trees, often with milky sap. Among them are several familiar garden plants belonging to the genera Campanula (bellflower), Lobelia, and Platycodon (balloonflower). Campanula rapunculus and Codonopsis lanceolata are eaten as vegetables. Lobelia inflata, L. siphilitica and L. tupa and others have been used as medicinal plants. Campanula rapunculoides may be a troublesome weed, particularly in gardens, while Legousia spp. may occur in arable fields.
Triodanis is a genus of flowering plants within the family Campanulaceae, native to North and South America. Venus' looking-glass is a common name for plants in this genus.
Nemacladus is a genus of flowering plants in the bellflower family known generally as threadplants. Species are native to the southwestern United States and northern Mexico. These are annual herbs with very slender, sometimes threadlike, branching stems bearing small five-lobed flowers.
Legousia is a genus of flowering plants in the family Campanulaceae, native to Europe. Species in the genus used to be placed under genus Specularia along with plants in genera Triodanis and Heterocodon as well as some species in genus Campanula. However, the division has been confirmed evolutionarily comprehensive by a Campanulaceae phylogeny based on DNA molecular evidence.
Palmerella is a genus of plants in the family Campanulaceae. It has only one known species, Palmerella debilis, long known by the synonym Lobelia dunnii. It is native to 8 counties in southern California plus the northern part of Baja California.
Ruthiella is a genus of plants in the Campanulaceae. It contains 4 known species, all endemic to New Guinea.
- Ruthiella oblongifolia(Diels) Steenis
- Ruthiella saxicola(P.Royen) Steenis
- Ruthiella schlechteri(Diels) Steenis
- Ruthiella subcordata(Merr. & L.M.Perry) Steenis
Sclerotheca is a genus of plants native to various islands in the South Pacific. Nine of the ten known species are French Polynesia, the tenth to Rarotonga in the Cook Islands.
- Sclerotheca arborea(G.Forst.) DC - Tahiti
- Sclerotheca forsteriDrake - Moorea, Tahiti
- Sclerotheca jayorumJ.Raynal - Tahiti
- Sclerotheca longistigmataF.Br. - Marquesas
- Sclerotheca margaretaeR.Br. - Rapa
- Sclerotheca magdalenaeJ.Florence - Tahiti
- Sclerotheca oreadesE.Willm. - Tahiti
- Sclerotheca raiateensis(Baill.) Pillon & Florence - Raiatea
- Sclerotheca seigelii(Florence) Pillon & Florence - Marquesas
- Sclerotheca viridifloraCheeseman - Rarotonga
Pseudonemacladus is a genus of plants in the Campanulaceae. It contains only one known species, Pseudonemacladus oppositifolius, native to north-eastern Mexico.
Ostrowskia is a genus of plants in the family Campanulaceae. There is only one known species, Ostrowskia magnifica, native to the Central Asian nations of Afghanistan, Kyrgyzstan and Tajikistan.
Musschia is a genus of plants in the family Campanulaceae. It contains three known species, all endemic to the Madeira Archipelago in the eastern North Atlantic, part of the Republic of Portugal. The genus is named in honour of Jean-Henri Mussche (1765-1834), the head gardener of the botanical garden in Ghent.
Microcodon is a genus of plants in the family Campanulaceae. It contains four known species, all endemic to the Cape Provinces of South Africa.
Sergia is a genus of plants in the family Campanulaceae. It contains two known species, both native to Central Asia.
Homocodon is a genus of plants in the family Campanulaceae. It contains two known species, native to the mountains of southwestern China and Bhutan.
Craterocapsa is a genus of plants in the family Campanulaceae. It contains 5 known species, all native to southern Africa.
Michauxia is a genus of plants in the family Campanulaceae. It contains 7 known species native to southwestern Asia.
Gunillaea is a genus of plants in the family Campanulaceae. It contains two known species, both native to tropical and southern Africa and Madagascar.
Zeugandra is a genus of plants in the family Campanulaceae. It contains two known species, both endemic to Iran.
Treichelia is a genus of plants in the Campanulaceae. It contains two known species, both endemic to Cape Provinces of South Africa.
Theilera is a genus of plants in the Campanulaceae. It contains two known species, both endemic to Cape Province of South Africa.
Siphocodon is a genus of plants in the family Campanulaceae. It contains two known species, both endemic to Cape Province of South Africa.
