| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| CHLAS | Chasmanthium laxum (L.) Yates var. sessiliflorum (Poir.) J. Wipff & S.D. Jones | Chasmanthium sessiliflorum | Poaceae
|
| CHLA6 | Chasmanthium laxum (L.) Yates | slender woodoats | Poaceae
|
| CHNI | Chasmanthium nitidum (Baldw.) Yates | shiny woodoats | Poaceae
|
| CHOR3 | Chasmanthium ornithorhynchum (Steud.) Yates | birdbill woodoats | Poaceae
|
| CHSE2 | Chasmanthium sessiliflorum (Poir.) Yates | longleaf woodoats | Poaceae
|
| CHASM | Chasmanthium Link | woodoats | Poaceae
|
| CHAE | Cheilanthes aemula Maxon | rival lipfern | Pteridaceae
|
| CHAL5 | Cheilanthes alabamensis (Buckl.) Kunze | Alabama lipfern | Pteridaceae
|
| CHAL17 | Cheilanthes aliena (Maxon) Mickel | Notholaena aliena | Pteridaceae
|
| CHAR7 | Cheilanthes arizonica (Maxon) Mickel | Arizona lipfern | Pteridaceae
|
| CHAS4 | Cheilanthes aschenborniana (Klotzsch) Mett. | Notholaena aschenborniana | Pteridaceae
|
| CHBO5 | Cheilanthes bonariensis (Willd.) Proctor | golden lipfern | Pteridaceae
|
| CHCA20 | Cheilanthes californica (Hook.) Mett. | Aspidotis californica | Pteridaceae
|
| CHCA19 | Cheilanthes cancellata Mickel | Argyrochosma fendleri | Pteridaceae
|
| CHCAC4 | Cheilanthes candida Mart. & Gal. var. copelandii (C.C. Hall) Mickel | Notholaena copelandii | Pteridaceae
|
| CHCA21 | Cheilanthes carlotta-halliae Wagner & Gilbert | Aspidotis carlotta-halliae | Pteridaceae
|
| CHCA11 | Cheilanthes castanea Maxon | Cheilanthes eatonii | Pteridaceae
|
| CHCL | Cheilanthes clevelandii D.C. Eat. | Cleveland's lipfern | Pteridaceae
|
| CHCO15 | Cheilanthes cochisensis (Goodding) Mickel | Astrolepis cochisensis ssp. cochisensis | Pteridaceae
|
| CHCO3 | Cheilanthes cooperae D.C. Eat. | Cooper's lipfern | Pteridaceae
|
| CHCO4 | Cheilanthes covillei Maxon | Coville's lipfern | Pteridaceae
|
| CHDE10 | Cheilanthes dealbata Pursh | Argyrochosma dealbata | Pteridaceae
|
| CHDE17 | Cheilanthes decipiens (Hook.) W.H. Wagner | triangleleaf lipfern | Pteridaceae
|
| CHDE5 | Cheilanthes decora (Brack.) R.& A. Tryon | lance fern | Pteridaceae
|
| CHDE11 | Cheilanthes deserti Mickel | Notholaena californica ssp. californica | Pteridaceae
|
| CHEA | Cheilanthes eatonii Baker | Eaton's lipfern | Pteridaceae
|
| CHFE | Cheilanthes feei T. Moore | slender lipfern | Pteridaceae
|
| CHFE2 | Cheilanthes fendleri Hook. | Fendler's lipfern | Pteridaceae
|
| CHFI | Cheilanthes �fibrillosa (Davenport) Davenport ex Underwood (pro sp.) | | Pteridaceae
|
| CHGRA | Cheilanthes gracillima D.C. Eat. var. aberrans M.E. Jones | Cheilanthes gracillima | Pteridaceae
|
| CHGR | Cheilanthes gracillima D.C. Eat. | lace lipfern | Pteridaceae
|
| CHGR9 | Cheilanthes grayi (Davenport) Domin | Notholaena grayi ssp. grayi | Pteridaceae
|
| CHGR11 | Cheilanthes greggii (Mett. ex Kuhn) Mickel | Notholaena greggii | Pteridaceae
|
| CHHO8 | Cheilanthes hookeri (Kummel.) Domin | Notholaena standleyi | Pteridaceae
|
| CHHO | Cheilanthes horridula Maxon | rough lipfern | Pteridaceae
|
| CHIN8 | Cheilanthes integerrima (Hook.) Mickel | Astrolepis integerrima | Pteridaceae
|
| CHIN | Cheilanthes intertexta (Maxon) Maxon | coastal lipfern | Pteridaceae
|
| CHJO2 | Cheilanthes jonesii (Maxon) Munz | Argyrochosma jonesii | Pteridaceae
|
| CHKA | Cheilanthes kaulfussii Kunze | Kaulfuss' lipfern | Pteridaceae
|
| CHLA2 | Cheilanthes lanosa (Michx.) D.C. Eat. | hairy lipfern | Pteridaceae
|
| CHLE12 | Cheilanthes lemmonii (D.C. Eat.) Domin | Notholaena lemmonii | Pteridaceae
|
| CHLE2 | Cheilanthes lendigera (Cav.) Sw. | nitbearing lipfern | Pteridaceae
|
| CHLE3 | Cheilanthes leucopoda Link | whitefoot lipfern | Pteridaceae
|
| CHLIM | Cheilanthes limitanea (Maxon) Mickel var. mexicana (Maxon) Mickel | Argyrochosma limitanea ssp. mexicana | Pteridaceae
|
| CHLI7 | Cheilanthes limitanea (Maxon) Mickel | Argyrochosma limitanea ssp. limitanea | Pteridaceae
|
| CHLI | Cheilanthes lindheimeri Hook. | fairyswords | Pteridaceae
|
| CHMI4 | Cheilanthes microphylla (Sw.) Sw. | southern lipfern | Pteridaceae
|
| CHNE7 | Cheilanthes nealleyi (Seaton ex Coult.) Domin | Notholaena nealleyi | Pteridaceae
|
| CHNE8 | Cheilanthes neglecta (Maxon) Mickel | Notholaena neglecta | Pteridaceae
|
| CHNE2 | Cheilanthes newberryi (D.C. Eat.) Domin | Newberry's lipfern | Pteridaceae
|
| CHNO2 | Cheilanthes notholaenoides (Desv.) Maxon ex Weatherby | royal lipfern | Pteridaceae
|
| CHPA3 | Cheilanthes �parishii Davenport (pro sp.) | | Pteridaceae
|
| CHPA4 | Cheilanthes parryi (D.C. Eat.) Domin | Parry's lipfern | Pteridaceae
|
| CHPA32 | Cheilanthes parvifolia (R. Tryon) Mickel | Argyrochosma microphylla | Pteridaceae
|
| CHPA36 | Cheilanthes paupercula (Kunze) Mett. | streambank lipfern | Pteridaceae
|
| CHPR2 | Cheilanthes pringlei Davenport | Pringle's lipfern | Pteridaceae
|
| CHPYA | Cheilanthes pyramidalis F�e var. arizonica (Maxon) Broun | Cheilanthes arizonica | Pteridaceae
|
| CHSI3 | Cheilanthes siliquosa Maxon | Aspidotis densa | Pteridaceae
|
| CHSIC | Cheilanthes sinuata (Lag. ex Sw.) Domin var. cochisensis (Goodding) Munz | Astrolepis cochisensis ssp. cochisensis | Pteridaceae
|
| CHSI4 | Cheilanthes sinuata (Lag. ex Sw.) Domin | Astrolepis sinuata ssp. sinuata | Pteridaceae
|
| CHST12 | Cheilanthes standleyi (Maxon) Mickel | Notholaena standleyi | Pteridaceae
|
| CHTA3 | Cheilanthes takeuchii W.H. Wagner | Takeuch's lipfern | Pteridaceae
|
| CHTO2 | Cheilanthes tomentosa Link | woolly lipfern | Pteridaceae
|
| CHTR5 | Cheilanthes trichomanoides (L.) Mett. | Notholaena trichomanoides | Pteridaceae
|
| CHVE9 | Cheilanthes vestita (Spreng.) Sw. | Cheilanthes lanosa | Pteridaceae
|
| CHVI | Cheilanthes villosa Davenport ex Maxon | villous lipfern | Pteridaceae
|
| CHVI2 | Cheilanthes viscida Davenport | viscid lipfern | Pteridaceae
|
| CHWO | Cheilanthes wootonii Maxon | beaded lipfern | Pteridaceae
|
| CHWR | Cheilanthes wrightii Hook. | Wright's lipfern | Pteridaceae
|
| CHYA | Cheilanthes yavapensis Reeves ex Windham | graceful lipfern | Pteridaceae
|
| CHEIL | Cheilanthes Sw. | lipfern | Pteridaceae
|
| CHAD5 | Cheilolejeunea adnata (Kunze) Grolle | | Lejeuneaceae
|
| CHCL4 | Cheilolejeunea clausa (Nees & Mont.) R. M. Schust. | | Lejeuneaceae
|
| CHEV2 | Cheilolejeunea evansii (M. S. Taylor) R. M. Schust. | | Lejeuneaceae
|
| CHMY3 | Cheilolejeunea myriantha (Nees & Mont.) R. M. Schust. | | Lejeuneaceae
|
| CHPOC | Cheilolejeunea polyantha A. Evans var. caduciloba R. M. Schust. | | Lejeuneaceae
|
| CHPOP6 | Cheilolejeunea polyantha A. Evans var. polyantha | | Lejeuneaceae
|
| CHPO13 | Cheilolejeunea polyantha A. Evans | | Lejeuneaceae
|
| CHRI2 | Cheilolejeunea rigidula (Nees & Mont.) R. M. Schust. | | Lejeuneaceae
|
| CHEIL2 | Cheilolejeunea (Spruce) Schiffn. | | Lejeuneaceae
|
| CHAL22 | Cheiranthus allionii Hort. ex Bois | Erysimum marshallii | Brassicaceae
|
| CHCH11 | Cheiranthus cheiri L. | Erysimum cheiri | Brassicaceae
|
| CHIN21 | Cheiridopsis inaequalis L. Bolus | | Aizoaceae
|
| CHEIR3 | Cheiridopsis N.E. Br. | cheiridopsis | Aizoaceae
|
| CHAS6 | Cheirinia aspera (Nutt.) Britt. | Erysimum capitatum var. capitatum | Brassicaceae
|
| CHCH10 | Cheirinia cheiranthoides (L.) Link | Erysimum cheiranthoides | Brassicaceae
|
| CHIN12 | Cheirinia inconspicua (S. Wats.) Britt. | Erysimum inconspicuum | Brassicaceae
|
| CHRE5 | Cheirinia repanda (L.) Link | Erysimum repandum | Brassicaceae
|
| CHDO3 | Cheirodendron dominii Krajina | Domin's club | Araliaceae
|
| CHFAM | Cheirodendron fauriei Hochr. var. macdanielsii Sherff | Cheirodendron fauriei | Araliaceae
|
| CHFA | Cheirodendron fauriei Hochr. | Faurie's club | Araliaceae
|
| CHFO4 | Cheirodendron forbesii (Sherff) Lowry | olapa | Araliaceae
|
| CHHEM | Cheirodendron helleri Sherff var. microcarpum Sherff | Cheirodendron trigynum ssp. helleri | Araliaceae
|
| CHHEM2 | Cheirodendron helleri Sherff var. multiflorum (Skottsberg) Sherff | Cheirodendron trigynum ssp. helleri | Araliaceae
|
| CHHES | Cheirodendron helleri Sherff var. sodalium Sherff | Cheirodendron trigynum ssp. helleri | Araliaceae
|
| CHHE2 | Cheirodendron helleri Sherff | Cheirodendron trigynum ssp. helleri | Araliaceae
|
| CHKAF | Cheirodendron kauaiense Krajina var. forbesii Sherff | Cheirodendron forbesii | Araliaceae
|
| CHKAK | Cheirodendron kauaiense Krajina var. keakuense Krajina | Cheirodendron platyphyllum ssp. kauaiense | Araliaceae
|
| CHKA2 | Cheirodendron kauaiense Krajina | Cheirodendron platyphyllum ssp. kauaiense | Araliaceae
|
| CHPLK | Cheirodendron platyphyllum (Hook. & Arn.) Seem. ssp. kauaiense (Krajina) Lowry | lapalapa | Araliaceae
|
| CHPLP | Cheirodendron platyphyllum (Hook. & Arn.) Seem. ssp. platyphyllum | lapalapa | Araliaceae
|