| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CRLE6 | Cryptantha leucophaea (Dougl. ex Lehm.) Payson | gray cryptantha | Boraginaceae
|
| CRLO6 | Cryptantha longiflora (A. Nels.) Payson | longflower cryptantha | Boraginaceae
|
| CRMA16 | Cryptantha macounii (Eastw.) Payson | Cryptantha celosioides | Boraginaceae
|
| CRMA6 | Cryptantha mariposae I.M. Johnston | Mariposa cryptantha | Boraginaceae
|
| CRMAM | Cryptantha maritima (Greene) Greene var. maritima | Guadalupe cryptantha | Boraginaceae
|
| CRMAP | Cryptantha maritima (Greene) Greene var. pilosa I.M. Johnston | Guadalupe cryptantha | Boraginaceae
|
| CRMA7 | Cryptantha maritima (Greene) Greene | Guadalupe cryptantha | Boraginaceae
|
| CRME5 | Cryptantha mensana (M.E. Jones) Payson | southwestern cryptantha | Boraginaceae
|
| CRME4 | Cryptantha mexicana (Brandeg.) I.M. Johnston | Mexican cryptantha | Boraginaceae
|
| CRMIL | Cryptantha micrantha (Torr.) I.M. Johnston ssp. lepida (Gray) Mathew & Raven | Cryptantha micrantha var. lepida | Boraginaceae
|
| CRMIL2 | Cryptantha micrantha (Torr.) I.M. Johnston var. lepida (Gray) I.M. Johnston | redroot cryptantha | Boraginaceae
|
| CRMIM | Cryptantha micrantha (Torr.) I.M. Johnston var. micrantha | redroot cryptantha | Boraginaceae
|
| CRMI | Cryptantha micrantha (Torr.) I.M. Johnston | redroot cryptantha | Boraginaceae
|
| CRMI2 | Cryptantha micromeres (Gray) Greene | pygmyflower cryptantha | Boraginaceae
|
| CRMI3 | Cryptantha microstachys (Greene ex Gray) Greene | Tejon cryptantha | Boraginaceae
|
| CRMI4 | Cryptantha milo-bakeri I.M. Johnston | Milo Baker's cryptantha | Boraginaceae
|
| CRMI5 | Cryptantha minima Rydb. | little cryptantha | Boraginaceae
|
| CRMI7 | Cryptantha mirabunda Brand | wonderful cryptantha | Boraginaceae
|
| CRMO7 | Cryptantha mohavensis (Greene) Greene | Mojave cryptantha | Boraginaceae
|
| CRMUC | Cryptantha muricata (Hook. & Arn.) A. Nels. & J.F. Macbr. var. clokeyi (I.M. Johnston) Jepson | Cryptantha clokeyi | Boraginaceae
|
| CRMUD | Cryptantha muricata (Hook. & Arn.) A. Nels. & J.F. Macbr. var. denticulata (Greene) I.M. Johnston | pointed cryptantha | Boraginaceae
|
| CRMUJ | Cryptantha muricata (Hook. & Arn.) A. Nels. & J.F. Macbr. var. jonesii (Gray) I.M. Johnston | Jones' cryptantha | Boraginaceae
|
| CRMUM | Cryptantha muricata (Hook. & Arn.) A. Nels. & J.F. Macbr. var. muricata | pointed cryptantha | Boraginaceae
|
| CRMU2 | Cryptantha muricata (Hook. & Arn.) A. Nels. & J.F. Macbr. | pointed cryptantha | Boraginaceae
|
| CRNAC2 | Cryptantha nana (Eastw.) Payson var. commixta (J.F. Macbr.) Payson | Cryptantha humilis | Boraginaceae
|
| CRNAO | Cryptantha nana (Eastw.) Payson var. ovina Payson | Cryptantha humilis | Boraginaceae
|
| CRNAS | Cryptantha nana (Eastw.) Payson var. shantzii (Tidestrom) Payson | Cryptantha humilis | Boraginaceae
|
| CRNAT | Cryptantha nana (Eastw.) Payson var. typica Payson | Cryptantha humilis | Boraginaceae
|
| CRNA2 | Cryptantha nana (Eastw.) Payson | Cryptantha humilis | Boraginaceae
|
| CRNE | Cryptantha nemaclada Greene | Colusa cryptantha | Boraginaceae
|
| CRNEN | Cryptantha nevadensis A. Nels. & Kennedy var. nevadensis | Nevada cryptantha | Boraginaceae
|
| CRNER | Cryptantha nevadensis A. Nels. & Kennedy var. rigida I.M. Johnston | Nevada cryptantha | Boraginaceae
|
| CRNE2 | Cryptantha nevadensis A. Nels. & Kennedy | Nevada cryptantha | Boraginaceae
|
| CRNUM | Cryptantha nubigena (Greene) Payson var. macounii (Eastw.) Boivin | Cryptantha celosioides | Boraginaceae
|
| CRNU2 | Cryptantha nubigena (Greene) Payson | Sierra cryptantha | Boraginaceae
|
| CROB | Cryptantha oblata (M.E. Jones) Payson | rough cryptantha | Boraginaceae
|
| CROC2 | Cryptantha ochroleuca Higgins | yellowwhite cryptantha | Boraginaceae
|
| CROS | Cryptantha osterhoutii (Payson) Payson | Osterhout's cryptantha | Boraginaceae
|
| CROX | Cryptantha oxygona (Gray) Greene | sharpnut cryptantha | Boraginaceae
|
| CRPA21 | Cryptantha palmeri (Gray) Payson | Palmer's cryptantha | Boraginaceae
|
| CRPA6 | Cryptantha paradoxa (A. Nels.) Payson | handsome cryptantha | Boraginaceae
|
| CRPA7 | Cryptantha pattersonii (Gray) Greene | Cryptantha fendleri | Boraginaceae
|
| CRPA8 | Cryptantha paysonii (J.F. Macbr.) I.M. Johnston | Payson's cryptantha | Boraginaceae
|
| CRPR3 | Cryptantha propria (A. Nels. & J.F. Macbr.) Payson | Malheur cryptantha | Boraginaceae
|
| CRPTC | Cryptantha pterocarya (Torr.) Greene var. cycloptera (Greene) J.F. Macbr. | wingnut cryptantha | Boraginaceae
|
| CRPTP2 | Cryptantha pterocarya (Torr.) Greene var. pterocarya | wingnut cryptantha | Boraginaceae
|
| CRPTP | Cryptantha pterocarya (Torr.) Greene var. purpusii Jepson | Cryptantha pterocarya var. cycloptera | Boraginaceae
|
| CRPTS | Cryptantha pterocarya (Torr.) Greene var. stenoloba I.M. Johnston | wingnut cryptantha | Boraginaceae
|
| CRPT | Cryptantha pterocarya (Torr.) Greene | wingnut cryptantha | Boraginaceae
|
| CRPU7 | Cryptantha pusilla (Torr. & Gray) Greene | low cryptantha | Boraginaceae
|
| CRPU10 | Cryptantha pustulosa (Rydb.) Payson | Cryptantha cinerea var. pustulosa | Boraginaceae
|
| CRRA2 | Cryptantha racemosa (S. Wats.) Greene | bushy cryptantha | Boraginaceae
|
| CRRA3 | Cryptantha rattanii Greene | Rattan's cryptantha | Boraginaceae
|
| CRRE5 | Cryptantha recurvata Coville | curvenut cryptantha | Boraginaceae
|
| CRRO6 | Cryptantha rollinsii I.M. Johnston | Rollins' cryptantha | Boraginaceae
|
| CRRO3 | Cryptantha roosiorum Munz | bristlecone cryptantha | Boraginaceae
|
| CRROS | Cryptantha rostellata (Greene) Greene var. spithamea (I.M. Johnston) Jepson | Cryptantha flaccida | Boraginaceae
|
| CRRO4 | Cryptantha rostellata (Greene) Greene | Cryptantha flaccida | Boraginaceae
|
| CRRU4 | Cryptantha rugulosa (Payson) Payson | wrinkled cryptantha | Boraginaceae
|
| CRSA6 | Cryptantha salmonensis (A. Nels. & J.F. Macbr.) Payson | Salmon River cryptantha | Boraginaceae
|
| CRSA12 | Cryptantha saxorum Jepson | Cryptantha costata | Boraginaceae
|
| CRSC3 | Cryptantha schoolcraftii Tiehm | Cryptantha sobolifera | Boraginaceae
|
| CRSC2 | Cryptantha scoparia A. Nels. | Pinyon Desert cryptantha | Boraginaceae
|
| CRSE4 | Cryptantha semiglabra Barneby | smooth cryptantha | Boraginaceae
|
| CRSEP | Cryptantha sericea (Gray) Payson var. perennis (A. Nels.) Payson | Cryptantha sericea | Boraginaceae
|
| CRSE3 | Cryptantha sericea (Gray) Payson | silky cryptantha | Boraginaceae
|
| CRSE5 | Cryptantha setosissima (Gray) Payson | bristly cryptantha | Boraginaceae
|
| CRSH | Cryptantha shacklettiana Higgins | Shacklett's cryptantha | Boraginaceae
|
| CRSH2 | Cryptantha sheldonii (Brand) Payson | Cryptantha celosioides | Boraginaceae
|
| CRSI4 | Cryptantha similis Mathew & Raven | desert cryptantha | Boraginaceae
|
| CRSI2 | Cryptantha simulans Greene | pinewoods cryptantha | Boraginaceae
|
| CRSO3 | Cryptantha sobolifera Payson | Waterton Lakes cryptantha | Boraginaceae
|
| CRSP3 | Cryptantha sparsiflora (Greene) Greene | slender cryptantha | Boraginaceae
|
| CRSP4 | Cryptantha spiculifera (Piper) Payson | Snake River cryptantha | Boraginaceae
|
| CRST5 | Cryptantha stricta (Osterhout) Payson | Yampa River cryptantha | Boraginaceae
|
| CRSU15 | Cryptantha subcapitata Dorn & Lichvar | Wallowa cryptantha | Boraginaceae
|
| CRSU9 | Cryptantha subretusa I.M. Johnston | Cryptantha sobolifera | Boraginaceae
|
| CRSU14 | Cryptantha suffruticosa Piper | Cryptantha cinerea var. jamesii | Boraginaceae
|
| CRTE8 | Cryptantha tenuis (Eastw.) Payson | canyon cryptantha | Boraginaceae
|
| CRTE5 | Cryptantha texana (A. DC.) Greene | pick me nots | Boraginaceae
|
| CRTH3 | Cryptantha thompsonii I.M. Johnston | Thompson's cryptantha | Boraginaceae
|
| CRTH | Cryptantha thyrsiflora (Greene) Payson | calcareous cryptantha | Boraginaceae
|
| CRTOC | Cryptantha torreyana (Gray) Greene var. calycosa (Gray) Greene | Cryptantha torreyana | Boraginaceae
|
| CRTOP | Cryptantha torreyana (Gray) Greene var. pumila (Heller) I.M. Johnston | Cryptantha torreyana | Boraginaceae
|
| CRTO4 | Cryptantha torreyana (Gray) Greene | Torrey's cryptantha | Boraginaceae
|
| CRTR7 | Cryptantha traskiae I.M. Johnston | Trask's cryptantha | Boraginaceae
|
| CRTU | Cryptantha tumulosa (Payson) Payson | New York Mountain cryptantha | Boraginaceae
|
| CRUT | Cryptantha utahensis (Gray) Greene | scented cryptantha | Boraginaceae
|
| CRVI4 | Cryptantha virgata (Porter) Payson | miner's candle | Boraginaceae
|
| CRVI5 | Cryptantha virginensis (M.E. Jones) Payson | Virgin River cryptantha | Boraginaceae
|
| CRWA2 | Cryptantha watsonii (Gray) Greene | Watson's cryptantha | Boraginaceae
|
| CRWE2 | Cryptantha weberi I.M. Johnston | Weber's cryptantha | Boraginaceae
|
| CRWE5 | Cryptantha welshii Thorne & Higgins | Welsh's cryptantha | Boraginaceae
|
| CRWE3 | Cryptantha wetherillii (Eastw.) Payson | Wetherill's cryptantha | Boraginaceae
|
| CRYPT | Cryptantha Lehm. ex G. Don | cryptantha | Boraginaceae
|
| CRMA8 | Cryptocarya mannii Hbd. | holio | Lauraceae
|
| CROA | Cryptocarya oahuensis (O. Deg.) Fosberg | Cryptocarya mannii | Lauraceae
|
| CRRU12 | Cryptocarya rubra (Molina) Skeels | red cryptocarya | Lauraceae
|
| CRYPT2 | Cryptocarya R. Br. | cryptocarya | Lauraceae
|
| CRIM7 | Cryptocolea imbricata R. M. Schust. | | Jungermanniaceae
|
| CRYPT8 | Cryptocolea R. M. Schust. | | Jungermanniaceae
|