| Castilleja lacera | Castilleja laciniata | Castilleja lanata |
| Castilleja lapponica | Castilleja lasiorhyncha | Castilleja latifolia |
| Castilleja lebgueana | Castilleja lemmonii | Castilleja lentii |
| Castilleja linariifolia | Castilleja lineariloba | Castilleja lineata |
| Castilleja linifolia | Castilleja longibracteata | Castilleja longiflora |
| Castilleja ludoviciana | Castilleja lutescens | Castilleja macrostigma |
| Castilleja mcvaughii | Castilleja mendocinensis | Castilleja meridensis |
| Castilleja mexicana | Castilleja miniata | Castilleja minor |
| Castilleja mollis | Castilleja moranensis | Castilleja muelleri |
| Castilleja nana | Castilleja nervata | Castilleja nitricola |
| Castilleja nivea | Castilleja nivibractea | Castilleja nubigena |
| Castilleja nubigena x fissifolia | Castilleja occidentalis | Castilleja olgae |
| Castilleja ophiocephala | Castilleja oresbia | Castilleja organorum |
| Castilleja ornata | Castilleja ortegae | Castilleja pallescens |
| Castilleja pallida | Castilleja palmeri | Castilleja papilionacea |
| Castilleja parviflora | Castilleja parvula | Castilleja patriotica |
| Castilleja pavlovii | Castilleja peckiana | Castilleja pectinata |
| Castilleja pediaca | Castilleja perelegans | Castilleja peruviana |
| Castilleja pilosa | Castilleja plagiotoma | Castilleja porphyrosceptron |
| Castilleja porterae | Castilleja praeterita | Castilleja pringlei |
| Castilleja profunda | Castilleja pruinosa | Castilleja pseudohyperborea |
| Castilleja pseudopallescens | Castilleja pterocaulon | Castilleja puberula |
| Castilleja pulchella | Castilleja pumila | Castilleja purpurea |
| Castilleja purpusii | Castilleja quiexobrensis | Castilleja quirosii |
| Castilleja racemosa | Castilleja raupii | Castilleja revealii |
| Castilleja rhexifolia | Castilleja rhizomata | Castilleja rigida |
| Castilleja roei | Castilleja rubicundula | Castilleja rubida |
| Castilleja rubra | Castilleja rupicola | Castilleja salsuginosa |
| Castilleja saltensis | Castilleja scabrida | Castilleja schaffneri |
| Castilleja schizotricha | Castilleja schrenkii | Castilleja scorzonerifolia |
| Castilleja septentrionalis | Castilleja sessiliflora | Castilleja socorrensis |
| Castilleja sphaerostigma | Castilleja spiranthoides | Castilleja stenophylla |
| Castilleja steyermarkii | Castilleja stipifolia | Castilleja subalpina |
| Castilleja subinclusa | Castilleja suksdorfii | Castilleja sulphurea |
| Castilleja talamancensis | Castilleja tancitaroana | Castilleja tapeinoclada |
| Castilleja tayloriorum | Castilleja tenella | Castilleja tenuiflora |
| Castilleja tenuifolia | Castilleja tenuis | Castilleja thompsonii |
| Castilleja toluccensis | Castilleja trujillensis | Castilleja uliginosa |
| Castilleja unalaschcensis | Castilleja vadosa | Castilleja variocolorata |
| Castilleja venusta | Castilleja victoriae | Castilleja virgata |
| Castilleja virgayoides | Castilleja viscidula | Castilleja wallowensis |
| Castilleja wightii | Castilleja wootonii | Castilleja xanthotricha |
| Castilleja yukonis | Castilleja zempoaltepetlensis | Castillejo de Iniesta |
| Castillejo de Martín Viejo | Castillejo de Mesleón | Castillejo de Robledo |
| Castillejo-Sierra | Castillejos | Castillo de Bayuela |
| Castillo de Garcimuñoz | Castillo de Jimena | Castillo de Locubín |
| Castillo de Teayo | Castillo de Villamalefa | Castillo-Albaráñez |
| Castillo-Nuevo | Castillon (tổng của Arthez-de-Béarn) | Castillon (tổng của Lembeye) |
| Castillon, Alpes-Maritimes | Castillon, Calvados | Castillon, Hautes-Pyrénées |
| Castillon-de-Castets | Castillon-de-Larboust | Castillon-de-Saint-Martory |
| Castillon-Debats | Castillon-du-Gard | Castillon-en-Auge |
| Castillon-en-Couserans | Castillon-en-Couserans (tổng) | Castillon-la-Bataille |
| Castillon-Massas | Castillon-Savès | Castillonnès |
| Castillonroy | Castilly | Castilnuevo |
| Castilruiz | Castin | Castine, Ohio |
| Castineta | Casting | Castino |
| Castione Andevenno | Castione della Presolana | Castions di Strada |
| Castiraga Vidardo | Castirla | Castle Bravo |
| Castle Clinton | Castle Combe | Castle Grove, Quận Jones, Iowa |
| Castle Hills, Texas | Castle in the Sky | Castle on the Hill |
| Castle on the Hill (bài hát) | Castle Rock, Colorado | Castle Rock, Quận Hettinger, Bắc Dakota |
| Castle Rock, Wisconsin | Castle Shannon, Pennsylvania | Castle Town Dandelion |
| Castle Walls | Castle, Quận McPherson, Kansas | Castleberry, Alabama |
| Castlemaine, Victoria | Castleton | Castleton, Bắc Yorkshire |
| Castleton, Quận Reno, Kansas | Castnia | Castnia juturna |
| Castniidae | Castniomera | Castnius |
| Casto | Castoponera | Castoponera ciliata |
| Castoponera lecythus | Castoponera scotopoda | Castor |
| Castor (chi động vật) | Castor (sao) | Castor canadensis |
| Castor fiber | Castor và Pollux | Castor, Quận Madison, Missouri |
| Castor, Quận Stoddard, Missouri | Castoraeschna castor | Castoraeschna colorata |
| Castoraeschna corbeti | Castoraeschna coronata | Castoraeschna decurvata |
| Castoraeschna januaria | Castoraeschna longfieldae | Castoraeschna margarethae |
| Castoraeschna tepuica | Castorano | Castoridae |
| Castorimorpha | Castorocauda | Castorocauda lutrasimilis |
| Castra Praetoria | Castra Pretoria | Castra-Nova |
| Castratella | Castratella piloselloides | Castratella rosea |
| Castrato | Castraz | Castrejón de la Peña |
| Castrelo de Miño | Castrelo do Val | Castres |
| Castres (huyện) | Castres (quận) | Castres, Aisne |
| Castres, Tarn | Castres-Gironde | Castrezzato |
| Castri di Lecce | Castrica oweni | Castrica phalaenoides |
| Castrica sordidior | Castricum | Castries |
| Castries (quận) | Castries, Hérault | Castrignano de' Greci |
| Castrignano del Capo | Castril | Castrilanthemum |
| Castrilanthemum debeauxii | Castrillón | Castrillo de Cabrera |
| Castrillo de Don Juan | Castrillo de la Guareña | Castrillo de la Reina |
| Castrillo de la Valduerna | Castrillo de la Vega | Castrillo de Onielo |
| Castrillo de Riopisuerga | Castrillo de Villavega | Castrillo del Val |
| Castrillo Matajudíos | Castrione digiticaudata | Castrione longicaudata |
| Castro | Castro (Sao) | Castro Alves |
| Castro Caldelas | Castro Daire | Castro Daire (đô thị) |
| Castro de Elviña | Castro de Filabres | Castro de Fuentidueña |
| Castro de Rei | Castro dei Volsci | Castro del Río |
| Castro Marim | Castro Marim (đô thị) | Castro Urdiales |
| Castro Verde | Castro Verde (đô thị) | Castro, Bergamo |
| Castrocalbón | Castrocaro Terme e Terra del Sole | Castrocielo |
| Castrocontrigo | Castrodeza | Castrofilippo |
| Castrogonzalo | Castrojeriz | Castrojimeno |
| Castromembibre | Castromocho | Castromonte |
