- Castilleja affinis, Coast Indian paintbrush
- Castilleja ambigua, Johnny-nip
- Castilleja angustifolia, Northwestern Indian paintbrush
- Castilleja annua
- Castilleja applegatei, Wavyleaf Indian paintbrush
- Castilleja aquariensis, Aquarius Plateau Indian paintbrush
- Castilleja arachnoidea, Cobwebby Indian paintbrush
- Castilleja arvensis, Field Indian paintbrush
- Castilleja attenuata, Orthocarpus attenuatus AGray
- Castilleja austromontana, Rincon Mountain Indian paintbrush
- Castilleja barnebyana
- Castilleja brevilobata
- Castilleja brevistyla, Shortstyle Indian paintbrush
- Castilleja breweri
- Castilleja bryantii
- Castilleja californica
- Castilleja campestris, Vernal pool Indian paintbrush
- Castilleja caudata, Port Clarence Indian paintbrush
- Castilleja cervina, Deer Indian paintbrush
- Castilleja chlorotica, Greentinge Indian paintbrush
- Castilleja christii, Christs Indian paintbrush
- Castilleja chromosa
- Castilleja chrymactis, Green Indian paintbrush
- Castilleja chrysantha, Yellow Wallowa Indian paintbrush
- Castilleja cinerea, Ashgray Indian paintbrush
- Castilleja coccinea, Scarlet Indian paintbrush
- Castilleja covilleana, Covilles Indian paintbrush
- Castilleja crista-galli, Mountainside Indian paintbrush
- Castilleja cryptantha, Obscure Indian paintbrush
- Castilleja cusickii, Cusicks Indian paintbrush
- Castilleja densiflora, Denseflower Indian paintbrush
- Castilleja dissitiflora, Mt Hamilton Indian paintbrush
- Castilleja disticha
- Castilleja dixonii
- Castilleja elata
- Castilleja elegans, Elegant Indian paintbrush
- Castilleja elmeri, Wenatchee Indian paintbrush
- Castilleja elongata
- Castilleja ewanii
- Castilleja exilis
- Castilleja exserta, Orthocarpus exsertus AHeller
- Castilleja flava, Yellow Indian paintbrush
- Castilleja flavescens
- Castilleja foliolosa, Texas Indian paintbrush
- Castilleja franciscana
- Castilleja fraterna, Fraternal Indian paintbrush
- Castilleja fulva, Elko Indian paintbrush
- Castilleja glandulifera, Gland Indian paintbrush
- Castilleja gleasonii
| - Castilleja gracillima
- Castilleja grisea, San Clemente Island Indian paintbrush
- Castilleja gyroloba
- Castilleja haydenii, Haydens Indian paintbrush
- Castilleja henryae
- Castilleja hispida, Harsh Indian paintbrush
- Castilleja hololeuca
- Castilleja hyetophila, Coastal red Indian paintbrush
- Castilleja hyperborea, Northern Indian paintbrush
- Castilleja inconstans
- Castilleja indivisa, Entireleaf Indian paintbrush
- Castilleja inflata
- Castilleja integra, Wholeleaf Indian paintbrush
- Castilleja inverta
- Castilleja irasuensis
- Castilleja jepsonii
- Castilleja kaibabensis, Kaibab Plateau Indian paintbrush
- Castilleja lacera, Cutleaf Indian paintbrush
- Castilleja lanata, Sierra woolly Indian paintbrush
- Castilleja lasiorhyncha, San Bernardino Mountains Indian paintbrush
- Castilleja latifolia, Monterey Indian paintbrush
- Castilleja lemmonii, Lemmons Indian paintbrush
- Castilleja levisecta, Golden Indian paintbrush
- Castilleja linariifolia, Wyoming Indian paintbrush
- Castilleja lineariloba
- Castilleja lineata, Marshmeadow Indian paintbrush
- Castilleja litoralis
- Castilleja longispica
- Castilleja lutescens, Stiff yellow Indian paintbrush
- Castilleja martinii
- Castilleja mendocinensis, Mendocino Coast Indian paintbrush
- Castilleja mexicana, Mexican Indian paintbrush
- Castilleja miniata, Giant red Indian paintbrush
- Castilleja minor, Lesser Indian paintbrush
- Castilleja mollis, Softleaf Indian paintbrush
- Castilleja montigena, Heckards Indian paintbrush
- Castilleja muelleri
- Castilleja nana, Dwarf alpine Indian paintbrush
- Castilleja neglecta
- Castilleja nervosa
- Castilleja nivea, Snow Indian paintbrush
- Castilleja oblongifolia
- Castilleja occidentalis, Western Indian paintbrush
- Castilleja oresbia, Pale Wallowa Indian paintbrush
- Castilleja organorum, Organ Mountain Indian paintbrush
- Castilleja pallescens, Pale Indian paintbrush
- Castilleja pallida
- Castilleja parviflora, Mountain Indian paintbrush
- Castilleja parvula, Tushar Plateau Indian paintbrush
| - Castilleja patriotica, Huachuca Mountain Indian paintbrush
- Castilleja peckiana, Pecks Indian paintbrush
- Castilleja peirsonii
- Castilleja pilosa, Parrothead Indian paintbrush
- Castilleja plagiotoma, Mojave Indian paintbrush
- Castilleja praeterita, Salmon Creek Indian paintbrush
- Castilleja pruinosa, Frosted Indian paintbrush
- Castilleja psittacina
- Castilleja puberula, Shortflower Indian paintbrush
- Castilleja pulchella, Beautiful Indian paintbrush
- Castilleja purpurea, Downy Indian paintbrush
- Castilleja quirosii
- Castilleja raupii, Raups Indian paintbrush
- Castilleja revealii, Bryce Canyon Indian paintbrush
- Castilleja rhexifolia
- Castilleja roseana
- Castilleja rubicundula, Cream sacs
- Castilleja rubida, Little reddish Indian paintbrush
- Castilleja rupicola, Cliff Indian paintbrush
- Castilleja rustica
- Castilleja salsuginosa, Monte Neva Indian paintbrush
- Castilleja scabrida, Rough Indian paintbrush
- Castilleja schizotricha, Splithair Indian paintbrush
- Castilleja septentrionalis, Labrador Indian paintbrush
- Castilleja sessiliflora, Downy paintedcup
- Castilleja setosa
- Castilleja spiralis
- Castilleja stenantha
- Castilleja subinclusa, Longleaf Indian paintbrush
- Castilleja suksdorfii, Suksdorfs Indian paintbrush
- Castilleja sulphurea, Sulphur Indian paintbrush
- Castilleja taedifera
- Castilleja talamancensis
- Castilleja tayloriorum
- Castilleja tenuiflora, Santa Catalina Indian paintbrush
- Castilleja tenuis, Hairy Indian paintbrush
- Castilleja thompsonii, Thompsons Indian paintbrush
- Castilleja uliginosa
- Castilleja unalaschcensis, Alaska Indian paintbrush
- Castilleja viscidula, Sticky Indian paintbrush
- Castilleja wallowensis, Wallowa Indian paintbrush
- Castilleja wherryana
- Castilleja wightii
- Castilleja williamsii
- Castilleja wootonii, Sacramento Mountain Indian paintbrush
- Castilleja xanthotricha, Yellowhair Indian paintbrush
- Castilleja yukonis, Yukon Indian paintbrush
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