Primula alcalina Cholewa & D. Henderson - Blue-dome primrose. 
Primula angustifolia Torr. - Alpine primrose. 
Primula anisodora Balf. f. & G. Forrest.
Primula anvilensis S. Kelso - Boreal primrose. 
Primula borealis Duby - Slender primrose. 
Primula brodheadiae M.E. Jones. (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.)
Primula capillaris N.& A. Holmgren - Ruby mountain primrose.  Listed as sensitive by the Nevada Natural Heritage Program.
Primula cuneifolia Ledeb. - Pixie-eyes. 
Primula cusickiana (Gray) Gray - Wallowa primrose. 
Primula domensis Kass & Welsh - House range primrose. 
Primula egaliksensis Wormsk. ex Hornem. - Greenland primrose.  More information available from the Wyoming Rare Plant Field Guide. Synonymy:   Primula groenlandica (Warming) W.W. Sm. & G. Forrest
Primula ellisiae Pollard & Cockerell - Sandia mountain primrose. 
Primula eximia Greene - Arctic primrose.  Synonymy:   Primula tschuktschorum ssp. arctica (Koidzumi) A.& D. Löve, Primula tschuktschorum ssp. cairnesiana Porsild, Primula tschuktschorum ssp. eximia (Greene) Porsild, Primula tschuktschorum var. arctica (Koidzumi) Fern.
Primula incana M.E. Jones - Silvery primrose. 
Primula japonica Gray.
Primula laurentiana Fern. - Bird-eye primrose.  Synonymy:   Primula farinosa auct. non L., Primula farinosa var. macropoda Fern., Primula mistassinica var. macropoda (Fern.) Boivin
Primula maguirei L.O. Williams - Maguire's primrose.  Listed by the U.S. FWS as threatened - the FWS local name is Maguire primrose and the FWS range is: U.S.A. (UT). FWS Listing information: volume 50 Federal Register 33734; August 21, 1985. This taxon listed by the Center For Plant Conservation.
Primula mistassinica Michx. - Lake mistassini primrose.  Synonymy:   Primula intercedens Fern., Primula mistassinica var. intercedens (Fern.) Boivin, Primula mistassinica var. noveboracensis Fern.
Primula nevadensis N. Holmgren - Nevada primrose.  Listed as sensitive by the Nevada Natural Heritage Program.
Primula nutans Georgi - Sleepy primrose.  Synonymy:   Primula clusiana auct. non Tausch, Primula sibirica Jacq.
Primula parryi Gray - Brook primrose. 
Primula X polyantha P. Mill. (pro sp.) [veris X vulgaris].
Primula rusbyi Greene - Rusby's primrose. 
Primula specuicola Rydb. - Cave-dwelling primrose.  Synonymy:   Primula hunnewellii Fern.
Primula suffrutescens Gray - Sierran primrose.  Present in the CalFlora Database (California distribution map). Photographs (4) from CalPhotos.
Primula tschuktschorum Kjellm. - Chukchi primrose.  Synonymy:   Primula tschuktschorum ssp. beringensis (Porsild) Yurtsev & Kozh., Primula tschuktschorum var. beringensis Porsild
Primula veris L. - Cowslip primrose.  Images available from the Vascular Plant Image Gallery.