| Crocus olivieri | Crocus oreocreticus | Crocus pallasii |
| Crocus paschei | Crocus paulineae | Crocus pelistericus |
| Crocus pestalozzae | Crocus pulchellus | Crocus reticulatus |
| Crocus robertianus | Crocus rujanensis | Crocus sativus |
| Crocus scardicus | Crocus scharojanii | Crocus serotinus |
| Crocus sieberi | Crocus sieheanus | Crocus speciosus |
| Crocus suaveolens | Crocus suwarowianus | Crocus thomasii |
| Crocus tommasinianus | Crocus tournefortii | Crocus vallicola |
| Crocus veluchensis | Crocus veneris | Crocus vernus |
| Crocus versicolor | Crocus vitellinus | Crocus wattiorum |
| Crocus, Quận Towner, Bắc Dakota | Crocuta | Crocuta crocuta |
| Crocy | Crocydoscelus | Crocyllis |
| Crocypus | Crocypus macroleuca | Crocypus perlucidaria |
| Crodo | Croesoactia cincta | Croesus |
| Crofte, Quận Burleigh, Bắc Dakota | Crognaleto | Croignon |
| Croilia | Croilia mossambica | Croisances |
| Croisette, Pas-de-Calais | Croisilles, Calvados | Croisilles, Eure-et-Loir |
| Croisilles, Orne | Croisilles, Pas-de-Calais | Croismare |
| Croissanville | Croissy-Beaubourg | Croissy-sur-Celle |
| Croissy-sur-Seine | Croisy | Croisy-sur-Andelle |
| Croisy-sur-Eure | Croitana | Croitana aestiva |
| Croitana arenaria | Croitana croites | Croix (Territorio di Belfort) |
| Croix, Nord | Croix, Territoire de Belfort | Croix, Territorio di Belfort |
| Croix-Caluyau | Croix-Chapeau | Croix-en-Ternois |
| Croix-Fonsomme | Croix-Fonsommes | Croix-Mare |
| Croix-Moligneaux | Croixanvec | Croixdalle |
| Croixrault | Croizatia brevipetiolata | Croizatia cimalonia |
| Croizatia naiguatensis | Croizatia neotropica | Croizatia panamensis |
| Croizet-sur-Gand | Crolles | Crollon |
| Crom | Crom alum | Crom cacbua |
| Crom nitrat | Crom nitrua | Crom(II) florua |
| Crom(III) clorua | Crom(III) iotua | Crom(III) sunfat |
| Crom(IV) oxit | Cromac, Haute-Vienne | Cromapanax lobatus |
| Cromary | Cromínia | Crombrugghia |
| Crombrugghia distans | Crombrugghia laetus | Crombrugghia reichli |
| Crombrugghia wahlbergi | Cromen | Cromer Town F.C. |
| Cromidon austerum | Cromidon confusum | Cromidon corrigioloides |
| Cromidon decumbens | Cromidon dregei | Cromidon gracile |
| Cromidon hamulosum | Cromidon microechinos | Cromidon minutum |
| Cromidon plantaginis | Cromidon pusillum | Cromidon varicalyx |
| Cromileptes | Cromileptes altivelis | Cromit |
| Cromobergia | Cromstrijen | Cromwell, Iowa |
| Cromwell, Minnesota | Cromwell, Quận Burleigh, Bắc Dakota | Cromwell, Quận Huntingdon, Pennsylvania |
| Cronartium | Cronat | Cronce |
| Cronenberg, Kusel | Cronia | Cronia amygdala |
| Cronia aurantiaca | Cronia avellana | Cronia avenacea |
| Cronia tosana | Croniades | Croninia kingiana |
| Cronisia | Cronisia fimbriata | Cronisia mexicana |
| Cronisia weddellii | Cronopio dentiacutus | Cronos |
| Cronos (thần thoại) | Cronquist | Cronquistianthus |
| Cronquistianthus bishopii | Cronquistianthus bullifer | Cronquistianthus bulliferus |
| Cronquistianthus callacatensis | Cronquistianthus celendensis | Cronquistianthus celendinensis |
| Cronquistianthus chachapoyensis | Cronquistianthus chamaedrifolius | Cronquistianthus desmophyllus |
| Cronquistianthus determinatus | Cronquistianthus ferreyrii | Cronquistianthus glomeratus |
| Cronquistianthus lavandulifolius | Cronquistianthus leucophyllus | Cronquistianthus lopez-mirandae |
| Cronquistianthus loxensis | Cronquistianthus macbridei | Cronquistianthus marrubiifolius |
| Cronquistianthus niveus | Cronquistianthus origanoides | Cronquistianthus pseudoriganoides |
| Cronquistianthus rosei | Cronquistianthus trianae | Cronquistianthus urubambensis |
| Cronquistianthus volkensii | Cronus | Cronus (thần thoại) |
| Crood | Crook, Quận Hamilton, Illinois | Crooked Creek, Quận Bollinger, Missouri |
| Crooked Creek, Quận Cumberland, Illinois | Crooked Creek, Quận Jasper, Illinois | Crooked Creek, Quận Meade, Kansas |
| Crooked River, Quận Ray, Missouri | Crookston, Minnesota | Crooksville, Ohio |
| Croomia heterosepala | Croomia japonica | Croomia pauciflora |
| Crop circle | Cropani | Cropia |
| Cropia albiclava | Cropia aleuca | Cropia bowreyi |
| Cropia carnitincta | Cropia cedica | Cropia connecta |
| Cropia consonens | Cropia europs | Cropia fuscoviridis |
| Cropia hadenoides | Cropia impressionata | Cropia indigna |
| Cropia infusa | Cropia isidora | Cropia jamaicensis |
| Cropia juba | Cropia leucodonta | Cropia maudaea |
| Cropia minthe | Cropia perfusa | Cropia phila |
| Cropia philosopha | Cropia plumbicincta | Cropia poliomera |
| Cropia rivulosa | Cropia ruthaea | Cropia sigrida |
| Cropia striata | Cropia subapicalis | Cropia submarginalis |
| Cropia templada | Cropia tessellata | Cropia viridimicans |
| Cropsey, Quận McLean, Illinois | Croptilon | Croptilon divaricatum |
| Croptilon hookerianum | Croptilon rigidifolium | Cropus |
| Cros, Gard | Cros, Puy-de-Dôme | Cros-de-Géorand |
| Cros-de-Montvert | Cros-de-Ronesque | Crosa |
| Crosby, Minnesota | Crosby, Mississippi | Crosby, Quận Hamilton, Ohio |
| Crosby, Texas | Crosbya | Crosbya nervosa |
| Crosbya straminea | Crosbyarachne | Crosbyarachne bukovskyi |
| Crosbylonia | Crosbylonia borealis | Crosbysaurus |
| Crosbyton, Texas | Croscherichia | Croscherichia albilaena |
| Croscherichia bedeli | Croscherichia delarouzei | Croscherichia femorata |
| Croscherichia fulgurita | Croscherichia gilvipes | Croscherichia goryi |
| Croscherichia litigiosa | Croscherichia maceki | Croscherichia mozabita |
| Croscherichia paykulli | Croscherichia quadrizonata | Croscherichia richteri |
| Croscherichia salavatiani | Croscherichia sanguinolenta | Croscherichia sonyae |
| Croscherichia tigrinipennis | Croscherichia vigintipunctata | Croscherichia wartmanni |
| Crosey-le-Grand | Crosey-le-Petit | Crosia (bướm đêm) |
| Crosia hachem | Crosio della Valle | Crosita |
| Crosita bogutensis | Crosita brancuccii | Crosita salviae |
| Crosmières | Crosne | Crosne (Essonne) |
| Crosne, Essonne | Cross Channel | Cross Creek, Quận Jefferson, Ohio |
| Cross Creek, Quận Washington, Pennsylvania | Cross Gene | Cross gene |
| Cross Mountain, Texas | Cross Plains (làng thuộc quận Dane, Wisconsin) | Cross Plains (thị trấn thuộc quận Dane, Wisconsin) |
| Cross Plains (thị trấn), Quận Dane, Wisconsin | Cross Plains, Texas | Cross Roads, Pennsylvania |
| Cross Roads, Texas | Cross Timber, Texas | Cross Timbers, Quận Hickory, Missouri |
| Cross, Wisconsin | Cross-platform | Crossac |
