Erythronium albidum Nutt. - Small white fawn-lily.  Present in the Texas flora and known locally as: White fawn lily, white dogstooth-violet  (Texas Distribution by vegetation zone)Images available from the Vascular Plant Image Gallery.
Erythronium americanum Ker-Gawl. - American trout-lily. 
Erythronium californicum Purdy - California fawn-lily.  Present in the CalFlora Database (California distribution map). Photographs (26) from CalPhotos.
Erythronium citrinum S. Wats. - Cream fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium elegans Hammond & Chambers - Coast range fawn-lily.  This taxon listed by the Center For Plant Conservation.
Erythronium grandiflorum Pursh - Yellow avalanche-lily.  Present in the CalFlora Database (California distribution map). Photographs (10) from CalPhotos.
Erythronium helenae Applegate - Pacific fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium hendersonii S. Wats. - Henderson's fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium howellii S. Wats. - Howell's fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium klamathense Applegate - Klamath fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium mesochoreum Knerr - Midland fawn-lily.  Present in the Texas flora, no local name.  (Texas Distribution by vegetation zone). Synonymy:   Erythronium albidum var. coloratum Sterns, Erythronium albidum var. mesochoreum (Knerr) Rickett
Erythronium montanum S. Wats. - White avalanche-lily.  Image available from the Vascular Plant Image Gallery.
Erythronium multiscapoideum (Kellogg) A. Nels. & Kennedy - Sierran fawn-lily.  Present in the CalFlora Database (California distribution map). Synonymy:   Fritillaria multiscapoidea Kellogg
Erythronium oregonum Applegate - Giant white fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium pluriflorum Shevock, Bartel & Allen - Many-flower fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium propullans Gray - Minnesota fawn-lily.  Listed by the U.S. FWS as endangered, the FWS local name is Minnesota trout lily and the FWS range is: U.S.A. (MN). FWS Listing information: volume 51 Federal Register 10523; March 26, 1986. More information available from the Center For Plant Conservation.
Erythronium purpurascens S. Wats. - Purple fawn-lily.  Present in the CalFlora Database (California distribution map). Photographs (17) from CalPhotos.
Erythronium pusaterii (Munz & J.T. Howell) Shevock, Bartel & Allen - Kaweah lakes fawn-lily.  Present in the CalFlora Database (California distribution map). Synonymy:   Erythronium grandiflorum ssp. pusaterii Munz & J.T. Howell
Erythronium revolutum Sm. - Mahogany fawn-lily.  Present in the CalFlora Database (California distribution map).
Erythronium rostratum W. Wolf - Yellow trout-lily.  Present in the Texas flora, no local name.  (Texas Distribution by vegetation zone).
Erythronium tuolumnense Applegate - Mother lode trout-lily.  Present in the CalFlora Database (California distribution map).
Erythronium umbilicatum Parks & Hardin - Dimpled trout-lily.  Present in the Texas flora, no local name.  (Texas Distribution by vegetation zone).