| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CLGY2 | Claytonia gypsophiloides Fisch. & C.A. Mey. | gypsum springbeauty | Portulacaceae
|
| CLHE | Claytonia heterophylla (Torr. & Gray) Swanson | variableleaf springbeauty | Portulacaceae
|
| CLHO2 | Claytonia howellii (S. Wats.) Piper | Montia howellii | Portulacaceae
|
| CLLAC2 | Claytonia lanceolata Pall. ex Pursh ssp. chrysantha (Greene) Ferris | Claytonia lanceolata var. chrysantha | Portulacaceae
|
| CLLAC | Claytonia lanceolata Pall. ex Pursh var. chrysantha (Greene) C.L. Hitchc. | lanceleaf springbeauty | Portulacaceae
|
| CLLAF | Claytonia lanceolata Pall. ex Pursh var. flava (A. Nels.) C.L. Hitchc. | lanceleaf springbeauty | Portulacaceae
|
| CLLAI | Claytonia lanceolata Pall. ex Pursh var. idahoensis R.J. Davis | Idaho springbeauty | Portulacaceae
|
| CLLAL | Claytonia lanceolata Pall. ex Pursh var. lanceolata | lanceleaf springbeauty | Portulacaceae
|
| CLLAM | Claytonia lanceolata Pall. ex Pursh var. multiscapa (Rydb.) C.L. Hitchc. | lanceleaf springbeauty | Portulacaceae
|
| CLLAP | Claytonia lanceolata Pall. ex Pursh var. pacifica McNeill | Pacific springbeauty | Portulacaceae
|
| CLLAP2 | Claytonia lanceolata Pall. ex Pursh var. peirsonii Munz & Johnston | Peirson's springbeauty | Portulacaceae
|
| CLLAR | Claytonia lanceolata Pall. ex Pursh var. rosea (Rydb.) R.J. Davis | Claytonia rosea | Portulacaceae
|
| CLLAS | Claytonia lanceolata Pall. ex Pursh var. sessilifolia (Torr.) A. Nels. | lanceleaf springbeauty | Portulacaceae
|
| CLLA2 | Claytonia lanceolata Pall. ex Pursh | lanceleaf springbeauty | Portulacaceae
|
| CLLI4 | Claytonia linearis Dougl. ex Hook. | Montia linearis | Portulacaceae
|
| CLME2 | Claytonia media (DC.) Link | Claytonia virginica var. virginica | Portulacaceae
|
| CLMEB | Claytonia megarhiza (Gray) Parry ex S. Wats. var. bellidifolia (Rydb.) C.L. Hitchc. | alpine springbeauty | Portulacaceae
|
| CLMEM | Claytonia megarhiza (Gray) Parry ex S. Wats. var. megarhiza | alpine springbeauty | Portulacaceae
|
| CLMEN | Claytonia megarhiza (Gray) Parry ex S. Wats. var. nivalis (English) C.L. Hitchc. | alpine springbeauty | Portulacaceae
|
| CLME | Claytonia megarhiza (Gray) Parry ex S. Wats. | alpine springbeauty | Portulacaceae
|
| CLNE | Claytonia nevadensis S. Wats. | Sierra springbeauty | Portulacaceae
|
| CLNI2 | Claytonia nivalis English | Claytonia megarhiza var. nivalis | Portulacaceae
|
| CLPA10 | Claytonia palustris Swanson & Kelley | Jonesville springbeauty | Portulacaceae
|
| CLPAG4 | Claytonia parviflora Dougl. ex Hook. ssp. grandiflora J.M. Miller & K. Chambers | streambank springbeauty | Portulacaceae
|
| CLPAP | Claytonia parviflora Dougl. ex Hook. ssp. parviflora | streambank springbeauty | Portulacaceae
|
| CLPAU2 | Claytonia parviflora Dougl. ex Hook. ssp. utahensis (Rydb.) J.M. Miller & K. Chambers | streambank springbeauty | Portulacaceae
|
| CLPAV | Claytonia parviflora Dougl. ex Hook. ssp. viridis (A. Davids.) J.M. Miller & K. Chambers | streambank springbeauty | Portulacaceae
|
| CLPAD | Claytonia parviflora Dougl. ex Hook. var. depressa Gray | Claytonia rubra ssp. depressa | Portulacaceae
|
| CLPAG2 | Claytonia parviflora Dougl. ex Hook. var. glauca Nutt. ex Torr. & Gray | Claytonia exigua ssp. glauca | Portulacaceae
|
| CLPA5 | Claytonia parviflora Dougl. ex Hook. | streambank springbeauty | Portulacaceae
|
| CLPAF | Claytonia parvifolia Moc. ex DC. ssp. flagellaris (Bong.) Hult�n | Montia parvifolia ssp. flagellaris | Portulacaceae
|
| CLPAF2 | Claytonia parvifolia Moc. ex DC. var. flagellaris (Bong.) R.J. Davis | Montia parvifolia ssp. flagellaris | Portulacaceae
|
| CLPA11 | Claytonia parvifolia Moc. ex DC. | Montia parvifolia ssp. parvifolia | Portulacaceae
|
| CLPEI | Claytonia perfoliata Donn ex Willd. ssp. intermontana J.M. Miller & K. Chambers | miner's lettuce | Portulacaceae
|
| CLPEM | Claytonia perfoliata Donn ex Willd. ssp. mexicana (Rydb.) J.M. Miller & K. Chambers | miner's lettuce | Portulacaceae
|
| CLPEP | Claytonia perfoliata Donn ex Willd. ssp. perfoliata | miner's lettuce | Portulacaceae
|
| CLPEV | Claytonia perfoliata Donn ex Willd. ssp. viridis (A. Davids.) Fellows | Claytonia parviflora ssp. viridis | Portulacaceae
|
| CLPEA | Claytonia perfoliata Donn ex Willd. var. angustifolia Greene | Claytonia perfoliata ssp. perfoliata | Portulacaceae
|
| CLPED | Claytonia perfoliata Donn ex Willd. var. depressa (Gray) Poelln. | Claytonia rubra ssp. depressa | Portulacaceae
|
| CLPEN3 | Claytonia perfoliata Donn ex Willd. var. nubigena (Greene) Poelln. | Claytonia gypsophiloides | Portulacaceae
|
| CLPEP3 | Claytonia perfoliata Donn ex Willd. var. parviflora (Dougl. ex Hook.) Torr. | Claytonia parviflora ssp. parviflora | Portulacaceae
|
| CLPEU2 | Claytonia perfoliata Donn ex Willd. var. utahensis (Rydb.) Poelln. | Claytonia parviflora ssp. utahensis | Portulacaceae
|
| CLPE | Claytonia perfoliata Donn ex Willd. | miner's lettuce | Portulacaceae
|
| CLPO10 | Claytonia porsildii Jurtzev | Claytonia scammaniana | Portulacaceae
|
| CLRO6 | Claytonia robusta (Somes) Rydb. | Claytonia virginica var. virginica | Portulacaceae
|
| CLRO5 | Claytonia rosea Rydb. | western springbeauty | Portulacaceae
|
| CLRUD | Claytonia rubra (T.J. Howell) Tidestrom ssp. depressa (Gray) J.M. Miller & K. Chambers | redstem springbeauty | Portulacaceae
|
| CLRUR | Claytonia rubra (T.J. Howell) Tidestrom ssp. rubra | redstem springbeauty | Portulacaceae
|
| CLRU2 | Claytonia rubra (T.J. Howell) Tidestrom | redstem springbeauty | Portulacaceae
|
| CLSA2 | Claytonia sarmentosa C.A. Mey. | Alaska springbeauty | Portulacaceae
|
| CLSA3 | Claytonia saxosa Brandeg. | Brandegee's springbeauty | Portulacaceae
|
| CLSC | Claytonia scammaniana Hult�n | Scamman's springbeauty | Portulacaceae
|
| CLSIB | Claytonia sibirica L. var. bulbifera Gray | Siberian springbeauty | Portulacaceae
|
| CLSIC | Claytonia sibirica L. var. cordifolia (S. Wats.) R.J. Davis | Claytonia cordifolia | Portulacaceae
|
| CLSIH | Claytonia sibirica L. var. heterophylla (Torr. & Gray) Gray | Claytonia heterophylla | Portulacaceae
|
| CLSIS | Claytonia sibirica L. var. sibirica | Siberian springbeauty | Portulacaceae
|
| CLSI2 | Claytonia sibirica L. | Siberian springbeauty | Portulacaceae
|
| CLSI4 | Claytonia simsii Sweet | Claytonia virginica var. acutiflora | Portulacaceae
|
| CLSPE | Claytonia spathulata Dougl. ex Hook. var. exigua (Torr. & Gray) Hook. & Arn. | Claytonia exigua ssp. exigua | Portulacaceae
|
| CLSPR | Claytonia spathulata Dougl. ex Hook. var. rosulata (Eastw.) McNeill | Claytonia exigua ssp. exigua | Portulacaceae
|
| CLSPT | Claytonia spathulata Dougl. ex Hook. var. tenuifolia Torr. & Gray | Claytonia exigua ssp. exigua | Portulacaceae
|
| CLSPV | Claytonia spathulata Dougl. ex Hook. var. viridis (A. Davids.) Munz | Claytonia parviflora ssp. viridis | Portulacaceae
|
| CLSP11 | Claytonia spathulifolia Salisb. | Claytonia caroliniana var. lewisii | Portulacaceae
|
| CLTR2 | Claytonia triphylla S. Wats. | Lewisia triphylla | Portulacaceae
|
| CLTUC | Claytonia tuberosa Pallas ex J.A. Schultes var. czukczorum (Volk.) Hult�n | tuberous springbeauty | Portulacaceae
|
| CLTUT | Claytonia tuberosa Pallas ex J.A. Schultes var. tuberosa | tuberous springbeauty | Portulacaceae
|
| CLTU | Claytonia tuberosa Pallas ex J.A. Schultes | tuberous springbeauty | Portulacaceae
|
| CLUM | Claytonia umbellata S. Wats. | Great Basin springbeauty | Portulacaceae
|
| CLVIA | Claytonia virginica L. var. acutiflora DC. | Virginia springbeauty | Portulacaceae
|
| CLVIH | Claytonia virginica L. var. hammondiae (Kalmbacher) Doyle, Lewis & Snyder | Hammond's claytonia | Portulacaceae
|
| CLVIS | Claytonia virginica L. var. simsii (Sweet) R.J. Davis | Claytonia virginica var. acutiflora | Portulacaceae
|
| CLVIV | Claytonia virginica L. var. virginica | Virginia springbeauty | Portulacaceae
|
| CLVI3 | Claytonia virginica L. | Virginia springbeauty | Portulacaceae
|
| CLWA6 | Claytonia washingtoniana (Suksdorf) Suksdorf | Washington springbeauty | Portulacaceae
|
| CLAYT | Claytonia L. | springbeauty | Portulacaceae
|
| CLBI3 | Cleistes bifaria (Fern.) Catling & Gregg | small spreading pogonia | Orchidaceae
|
| CLDIB | Cleistes divaricata (L.) Ames var. bifaria Fern. | Cleistes bifaria | Orchidaceae
|
| CLDI | Cleistes divaricata (L.) Ames | rosebud orchid | Orchidaceae
|
| CLEIS | Cleistes L.C. Rich. ex Lindl. | rosebud orchid | Orchidaceae
|
| CLIC2 | Cleistocactus icosagonus (Kunth) F.A.C. Weber | | Cactaceae
|
| CLEIS3 | Cleistocactus Lem. | cleistocactus | Cactaceae
|
| CLSQ2 | Cleistogenes squarrosa (Trin.) Keng | | Poaceae
|
| CLEIS2 | Cleistogenes Keng | | Poaceae
|
| CLAD | Clematis addisonii Britt. | Addison's leather flower | Ranunculaceae
|
| CLALC | Clematis albicoma Wherry var. coactilis Fern. | Clematis coactilis | Ranunculaceae
|
| CLAL | Clematis albicoma Wherry | whitehair leather flower | Ranunculaceae
|
| CLAU3 | Clematis aurea A. Nels. & J.F. Macbr. | Clematis orientalis | Ranunculaceae
|
| CLBAB | Clematis baldwinii Torr. & Gray var. baldwinii | pine hyacinth | Ranunculaceae
|
| CLBAL | Clematis baldwinii Torr. & Gray var. latiuscula R.W. Long | pine hyacinth | Ranunculaceae
|
| CLBA | Clematis baldwinii Torr. & Gray | pine hyacinth | Ranunculaceae
|
| CLBE2 | Clematis beadlei (Small) Erickson | Clematis viorna | Ranunculaceae
|
| CLBI2 | Clematis bigelovii Torr. | Bigelow's leather flower | Ranunculaceae
|
| CLCA3 | Clematis catesbyana Pursh | satincurls | Ranunculaceae
|
| CLCO4 | Clematis coactilis (Fern.) Keener | Virginia whitehair leather flower | Ranunculaceae
|
| CLCO9 | Clematis coccinea Engelm. | Clematis texensis | Ranunculaceae
|
| CLCOC2 | Clematis columbiana (Nutt.) Torr. & Gray var. columbiana | rock clematis | Ranunculaceae
|
| CLCOD2 | Clematis columbiana (Nutt.) Torr. & Gray var. dissecta C.L. Hitchc. | Clematis occidentalis var. dissecta | Ranunculaceae
|
| CLCOT | Clematis columbiana (Nutt.) Torr. & Gray var. tenuiloba (Gray) J. Pringle | rock clematis | Ranunculaceae
|
| CLCO2 | Clematis columbiana (Nutt.) Torr. & Gray | rock clematis | Ranunculaceae
|
| CLCRW | Clematis crispa L. var. walteri Pursh | Clematis crispa | Ranunculaceae
|
| CLCR | Clematis crispa L. | swamp leather flower | Ranunculaceae
|