| Euphydryas alena Barnes & Ben..., 1926 | |
| Euphydryas anicia Doubleday, 1847 | Anicia Checkerspot |
| Euphydryas anicia alena W. Barnes & ..., 1926 | Anicia Checkerspot |
| Euphydryas anicia anicia E. Doubleday, 1847 | Anicia Checkerspot |
| Euphydryas anicia bakeri D. Stallings..., 1945 | Anicia Checkerspot |
| Euphydryas anicia bernadetta Leussler, 1920 | Anicia Checkerspot |
| Euphydryas anicia brucei W. H. Edwards, 1888 | Anicia Checkerspot |
| Euphydryas anicia capella W. Barnes, 1897 | Anicia Checkerspot |
| Euphydryas anicia carmentis W. Barnes & ..., 1926 | Anicia Checkerspot |
| Euphydryas anicia chuskae Ferris & R. ..., 1980 | Anicia Checkerspot |
| Euphydryas anicia cloudcrofti Ferris & R. ..., 1980 | Anicia Checkerspot |
| Euphydryas anicia colonia | |
| Euphydryas anicia effi D. Stallings..., 1945 | Anicia Checkerspot |
| Euphydryas anicia eurytion Mead, 1875 | Anicia Checkerspot |
| Euphydryas anicia helvia Scudder, 1869 | Anicia Checkerspot |
| Euphydryas anicia hermosa W. G. Wright, 1905 | Anicia Checkerspot |
| Euphydryas anicia hopfingeri Gunder, 1934 | Anicia Checkerspot |
| Euphydryas anicia howlandi D. Stallings..., 1947 | Anicia Checkerspot |
| Euphydryas anicia irelandi Gunder, 1929 | |
| Euphydryas anicia macyi Fender & Jewett, 1953 | Anicia Checkerspot |
| Euphydryas anicia magdalena W. Barnes & ..., 1918 | Anicia Checkerspot |
| Euphydryas anicia magdelena | |
| Euphydryas anicia maria Skinner, 1899 | Anicia Checkerspot |
| Euphydryas anicia morandi Gunder, 1928 | Anicia Checkerspot |
| Euphydryas anicia variicolor Baughman & M..., 1998 | Anicia Checkerspot |
| Euphydryas anicia veazieae Fender & Jewett, 1953 | Anicia Checkerspot |
| Euphydryas anicia wecoeut M. Fisher, S..., 2006 | Anicia Checkerspot |
| Euphydryas anicia wheeleri H. Edwards, 1881 | Anicia Checkerspot |
| Euphydryas anicia windi Gunder, 1932 | Anicia Checkerspot |
| Euphydryas aurinia Rottemburg, 1775 | Alpine Fritillary |
| Euphydryas aurinia merope de Prunner, 1798 | |
| Euphydryas bernadetta Leussler, 1920 | |
| Euphydryas carmentis Barnes & Ben..., 1926 | |
| Euphydryas chalcedon Doubleday & ..., 1847 | |
| Euphydryas chalcedon colon | |
| Euphydryas chalcedon hermosa | |
| Euphydryas chalcedon quino | |
| Euphydryas chalcedona Doubleday, 1847 | 'Anicia' Variable Checkerspot |
| Euphydryas chalcedona anicia E. Doubleday, 1847 | 'Anicia' Variable Checkerspot |
| Euphydryas chalcedona chalcedon fusimacula W..., 1900 | |
| Euphydryas chalcedona chalcedona (E. Doubleday, 1847) | ⇒ Euphydryas chalcedona hennei Scott, 1981 |
| Euphydryas chalcedona colon W. H. Edwards, 1881 | Colon Checkerspot |
| Euphydryas chalcedona cooperi H.H. Behr, 1863 | |
| Euphydryas chalcedona corralensis T. Emmel & J..., 1973 | Chalcedon Checkerspot |
| Euphydryas chalcedona dwinellei H. Edwards, 1881 | Chalcedon Checkerspot |
| Euphydryas chalcedona fusisecunda J.A. Comstock, 1926 | |
| Euphydryas chalcedona hemiluteofuscus J.D. Gunder, 1925 | |
| Euphydryas chalcedona hemimelanica J.A. Comstock, 1926 | |
| Euphydryas chalcedona hennei Scott, 1981 | Chalcedon Checkerspot |
| Euphydryas chalcedona hermosa Wright, 1905 | Arizona chalcedon checkerspot |
| Euphydryas chalcedona kingstonensis T. Emmel & J..., 1973 | Chalcedon Checkerspot |
| Euphydryas chalcedona klotsi dos Passos, 1938 | Chalcedon Checkerspot |
| Euphydryas chalcedona macglashanii Rivers, 1888 | Chalcedon Checkerspot |
| Euphydryas chalcedona nevadensis Bauer, 1975 | |
| Euphydryas chalcedona olancha W. G. Wright, 1905 | Chalcedon Checkerspot |
| Euphydryas chalcedona omniluteofuscus J.D. Gunder, 1925 | |
| Euphydryas chalcedona paradoxa McDunnough, 1927 | |
| Euphydryas chalcedona perdiccas Edwards, 1880 | |
| Euphydryas chalcedona sierra W. G. Wright, 1905 | Chalcedon Checkerspot |
| Euphydryas chalcedona sperryi Chermock & C..., 1945 | |
| Euphydryas chalcedona suprafusa J.A. Comstock, 1926 | |
| Euphydryas chalcedona supranigrella J.A. Comstock, 1926 | |
| Euphydryas chalcedona trinitina Baughman & M..., 1998 | Chalcedon Checkerspot |
| Euphydryas chalcedona wallacensis Gunder, 1928 | Snowberry Checkerspot |
| Euphydryas colon (Edwards, 1881) | ⇒ Euphydryas chalcedon Doubleday & ..., 1847 |
| Euphydryas colon colon W. H. Edwards, 1881 | Snowberry Checkerspot |
| Euphydryas colon nevadensis Bauer, 1975 | Nevada dark checkerspot |
| Euphydryas colon paradoxa McDunnough, 1927 | Snowberry Checkerspot |
| Euphydryas colon sperryi F. Chermock ..., 1945 | Snowberry Checkerspot |
| Euphydryas colon svihlae Pelham, 2008 | Snowberry Checkerspot |
| Euphydryas colon svilhae Pelham, 2008 | |
| Euphydryas colon wallacensis Gunder, 1928 | Snowberry Checkerspot |
| Euphydryas cynthia Denis & Schi..., 1775 | Cynthia's Fritillary |
| Euphydryas desfontainii Godart, 1819 | Spanish Fritillary |
| Euphydryas dunni (Gunder, 1929) | ⇒ Euphydryas editha Boisduval, 1852 |
| Euphydryas editha Boisduval, 1852 | Bay checkerspot Butterfly |
| Euphydryas editha alebarki Ferris, 1971 | Edith´s Checkerspot |
| Euphydryas editha augusta (W. H. Edwards, 1890) | ⇒ Euphydryas editha quino Behr, 1863 |
| Euphydryas editha augustina W. G. Wright, 1905 | Edith´s Checkerspot |
| Euphydryas editha aurilacus Gunder, 1928 | Edith´s Checkerspot |
| Euphydryas editha baroni W. H. Edwards, 1879 | Edith´s Checkerspot |
| Euphydryas editha bayensis Sternitzky, 1937 | Bay Checkerspot |
| Euphydryas editha beani Skinner, 1897 | Bean'S Checkerspot |
| Euphydryas editha bingi Baughman & M..., 1998 | Edith´s Checkerspot |
| Euphydryas editha colonia W. G. Wright, 1905 | Edith´s Checkerspot |
| Euphydryas editha editha (Boisduval, 1852) | ⇒ Euphydryas editha quino Behr, 1863 |
| Euphydryas editha edithana Strand, 1915 | Edith´s Checkerspot |
| Euphydryas editha effi | |
| Euphydryas editha ehrlichi Baughman & M..., 1998 | Edith´s Checkerspot |
| Euphydryas editha fridayi Gunder, 1931 | |
| Euphydryas editha gunnisonensis F. Brown, 1971 | Edith´s Checkerspot |
| Euphydryas editha hutchinsi McDunnough, 1928 | Edith´s Checkerspot |
| Euphydryas editha insularis T. Emmel & J..., 1974 | Edith´s Checkerspot |
| Euphydryas editha karinae Baughman & M..., 1998 | Edith´s Checkerspot |
| Euphydryas editha koreti | |
| Euphydryas editha lawrencei Gunder, 1931 | Edith´s Checkerspot |
| Euphydryas editha lehmani Gunder, 1929 | Edith´s Checkerspot |
| Euphydryas editha luestherae Murphy & P. ..., 1980 | Edith´s Checkerspot |
| Euphydryas editha mattooni Austin & Murphy, 1998 | Edith´s Checkerspot |
| Euphydryas editha monoensis Gunder, 1928 | Edith´s Checkerspot |
| Euphydryas editha montanus McDunnough, 1928 | Edith´s Checkerspot |
| Euphydryas editha nubigena Behr, 1863 | Edith´s Checkerspot |
| Euphydryas editha owyheensis Austin & Murphy, 1998 | Edith´s Checkerspot |
| Euphydryas editha quino Behr, 1863 | Ediths Checkerspot |
| Euphydryas editha rubicunda H. Edwards, 1881 | Edith´s Checkerspot |
| Euphydryas editha tahoensis Austin & Murphy, 1998 | Edith´s Checkerspot |
| Euphydryas editha taylori W. H. Edwards, 1888 | Edith´s Checkerspot |
| Euphydryas editha wrighti Gunder, 1929 | |
| Euphydryas gillettii Barnes, 1897 | Gillett's checkerspot |
| Euphydryas helvia | |
| Euphydryas hydaspe | |
| Euphydryas iduna Dalman, 1816 | Lapland Fritillary |
| Euphydryas magdalena Barnes & McD..., 1918 | |
| Euphydryas orientalis Herrich-Schä..., 1851 | |
| Euphydryas phaeton Drury, 1773 | Baltimore |
| Euphydryas phaeton ozarkae Masters, 1968 | Baltimore Checkerspot |
| Euphydryas phaeton phaethusa (G.D. Hulst, 1881) | ⇒ Euphydryas phaeton phaeton Drury, 1773 |
| Euphydryas phaeton phaeton Drury, 1773 | Baltimore Checkerspot |
| Euphydryas phaeton phaetontea (J.B. Godart, 1819) | ⇒ Euphydryas phaeton phaeton Drury, 1773 |
| Euphydryas phaeton streckeri (Ellsworth, 1902) | ⇒ Euphydryas phaeton phaeton Drury, 1773 |
| Euphydryas phaeton superba (Strecker, 1878) | ⇒ Euphydryas phaeton phaeton Drury, 1773 |
| Euphydryas taylori | |
