• Campanula Alvira, 1973 † (uncertain) [Family: Sarcomastigota (awaiting allocation)]
• Campanula Linnaeus, 1753 [Family: Campanulaceae]
• Campanula Westendorp, 1843 accepted as Campanularia Lamarck, 1816 [Family: Campanulariidae]
• Campanula alaskana (Gray) W. Wight ex J.P. Anders. accepted as Campanula rotundifolia Linnaeus
• Campanula americana Linnaeus accepted as Campanulastrum americanum (L.) Small
• Campanula angustiflora Eastw.
• Campanula aparinoides Pursh
• Campanula aurita Greene
• Campanula bononiensis Linnaeus
• Campanula californica (Kellogg) Heller
• Campanula carnica Schied. ex Mert. & Koch
• Campanula carpatica Jacq.
• Campanula chamissonis Fedorov
• Campanula cochlearifolia Lam.
• Campanula divaricata Michx.
• Campanula dubia A. DC. accepted as Campanula rotundifolia Linnaeus
• Campanula exigua Rattan
• Campanula flexuosa Michx. accepted as Campanula divaricata Michx.
• Campanula floridana S. Wats. ex Gray
• Campanula gieseckiana Vest ex J.A. Schultes
• Campanula glomerata Linnaeus
• Campanula griffinii Morin
• Campanula heterodoxa Bong. accepted as Campanula rotundifolia Linnaeus
• Campanula intercedens Witasek accepted as Campanula rotundifolia Linnaeus
• Campanula lactiflora Bieb. accepted as Gadellia lactiflora (Bieb.) Schulkina
• Campanula lanata Friv.
• Campanula lasiocarpa Cham.
• Campanula latifolia Linnaeus
• Campanula latisepala Hultén accepted as Campanula lasiocarpa Cham.
• Campanula medium Linnaeus
• Campanula parryi Gray
• Campanula patula Linnaeus
• Campanula persicifolia Linnaeus
• Campanula petiolata A. DC. accepted as Campanula rotundifolia Linnaeus
• Campanula piperi T.J. Howell
• Campanula prenanthoides Dur. accepted as Asyneuma prenanthoides (Dur.) McVaugh
• Campanula punctata Lam.
• Campanula rapunculoides Linnaeus
• Campanula recta Dulac
• Campanula reverchonii Gray
• Campanula robinsiae Small
• Campanula rotundifolia Linnaeus
• Campanula sacajaweana M.E. Peck accepted as Campanula rotundifolia Linnaeus
• Campanula scabrella Engelm.
• Campanula scouleri Hook. ex A. DC.
• Campanula sharsmithiae Morin
• Campanula shetleri Heckard
• Campanula trachelium Linnaeus
• Campanula uliginosa Rydb. accepted as Campanula aparinoides Pursh
• Campanula uniflora Linnaeus
• Campanula wilkinsiana Greene
• Campanulaceae de Jussieu, 1789
• Campanulales accepted as Asterales
• Campanularia Lamarck, 1816 [Family: Campanulariidae]
• Campanularia Méhelÿ, 1935 (uncertain) [Family: Hymenoptera (awaiting allocation)]
• Campanularia abyssa Fraser, 1940
• Campanularia africana Stechow, 1923
• Campanularia agas Cornelius, 1982
• Campanularia alta Stechow, 1919 accepted as Campanularia hincksii Alder, 1856
• Campanularia altitheca Fraser, 1948
• Campanularia ambiplica Mulder & Trebilcock, 1914
• Campanularia angulata (Hincks, 1861) accepted as Laomedea angulata Hincks, 1861
• Campanularia antarctica Ritchie, 1913
• Campanularia antarctica Stechow, 1922
• Campanularia attenuata Stechow, 1919 accepted as Campanularia villafrancensis Stechow, 1919 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Campanularia bigena Naumov, 1960
• Campanularia bilabiata Coughtrey, 1875
• Campanularia brachycaulis Stechow, 1919
• Campanularia brevicaulis Nutting, 1915
• Campanularia breviscyphia Sars, 1857
• Campanularia carduella Allman, 1885
• Campanularia castellata Fraser, 1925
• Campanularia certidens Fraser, 1947
• Campanularia cheloniae Allman, 1888 accepted as Obelia dichotoma (Linnaeus, 1758)
• Campanularia cheloniae Jarvis, 1922
• Campanularia clytioides (Lamouroux, 1824)
• Campanularia compressa Clarke, 1877 accepted as Orthopyxis integra (MacGillivray, 1842)
• Campanularia conferta Hartlaub, 1897 accepted as Laomedea calceolifera (Hincks, 1871)
• Campanularia corrugata Jarvis, 1922
• Campanularia corrugata Thornely, 1904 accepted as Hebella corrugata (Thornely, 1904)
• Campanularia costata (Gravier-Bonnet, 1979)
• Campanularia crenata (Hartlaub, 1901)
• Campanularia crenata Allman, 1876
• Campanularia delicata (Trebilcock, 1928)
• Campanularia denticulata Clark, 1877
• Campanularia dichotoma (Linnaeus, 1758) accepted as Laomedea dichotoma (Linnaeus, 1758) accepted as Obelia dichotoma (Linnaeus, 1758)
• Campanularia diversa Fraser, 1948
• Campanularia diverticulata (Totton, 1930)
• Campanularia edwardsi Nutting, 1901 accepted as Clytia hemisphaerica (Linnaeus, 1767)
• Campanularia elongata Van Beneden, 1866 accepted as Laomedea neglecta Alder, 1856
• Campanularia emarginata Fraser, 1938
• Campanularia erythraea Stechow, 1923
• Campanularia erythraea Thornely, 1908
• Campanularia eurycalyx Hartlaub, 1905
• Campanularia everta (Clarke, 1876)
• Campanularia exigua (M. Sars, 1857) accepted as Laomedea exigua M. Sars, 1857
• Campanularia fasciculata Fraser, 1941
• Campanularia flabellata Hincks, 1866 accepted as Obelia longissima (Pallas, 1766)
• Campanularia fragilis Hincks, 1863 accepted as Laomedea neglecta Alder, 1856
• Campanularia frigida (Stechow, 1923) accepted as Orthopyxis frigida Stechow, 1923