Names beginning with C: cabbage, cactus, Caesar, cakes, calico-flower, calliopsis, Calocybe, calypso, camas, camelthorn, campion, canarygrass, cancerwort, candy-cap, candyflower, candystick, candytuft, cap, caraway, carbon-antlers, carelessweed, carpetweed, carrot, cascara, cat, cat's ear, cat's-ear, cat's-ears, cat's-eye, cat-tail, catalpa, catchfly, catchweed, catnip, cats-ear, cattail, Cauliflower, cavalier, ceanothus, cedar, celandine, celery, centaury, cep, cerastium, chaenactis, chaffweed, chain-tree, chamomile, champignon, chanterelle, charcoal, charlock, cheatgrass, checker-mallow, checkerbloom, checkermallow, cheeseweed, cherry, cherry-laurel, chervil, chess, chestnut, chevalier, chick-pea, chicken-of-the-woods, chickweed, chicory, chinquapin, chives, chokecherry, Chrysomphalina, chucklusa, cinquefoil, clammyweed, clarkia, clary, clavaria, Claytonia, claytonia, Claytonia, claytonia, cleareye, cleavers, clematis, cliff brake, cliff fern, cliff-brake, cliff-fern, cliffbrake, Clitocybe, clitocybe, Clitocybe, clitocybe, Clitocybe, clitocybe, Clitocybe, clitocybula, cloover, clotbur, clover, clover-fern, club, club-foot, club-rush, clubmoss, clump, coat, cobraplant, coccora, cock's-head, cocklebur, cockleshell, codlins-and-cream, coincap, coldenia, collinsia, collomia, Collybia, colorado, coltsfoot, columbine, combleaf, combseed, comfrey, cone, cone-head, conecap, coneflower, coneplant, conk, conyza, coolwort, coon's-tail, copperbush, Coprinus, coral, coraldrops, coralroot, cordgrass, Cordyceps, coreopsis, cork, corn, corncockle, cornflower, Cort, Cortinarius, cortinarius, Cortinarius, cortinarius, Cortinarius, cortinarius, Cortinarius, corydalis, costmary, cotoneaster, cotton-grass, cottongrass, cottonleaf, cottonrose, cottontop, cottonweed, cottonwood, cous, cow-parsnip, cow-poison, cow-wheat, cowcockle, coyote-thistle, crabapple, crabgrass, cramp-balls, cranberry, cranberry-bush, crane's-bill, craterelle, crazyweed, creeper, creeping Charlie, creeping-glow-wort, creeping-Jenny, crep, Crepidotus, cress, crinklemat, crocus, crossflower, crowberry, crowfoot, crown, crown vetch, crowncup, crumbweed, crupina, crust, cryptantha, cuckooflower, cucumber, Cudonia, cudweed, cuneaire, cup, cups, currant, cut-leaf, cutgrass, cutleaf, cyans, cyclamen, cyperus, cypress, Cystoderma
Cabbage
deer cabbage (Nephrophyllidium crista-galli) – 10 photos
skunk cabbage (Lysichiton americanus) – 62 photos
skunk cabbage (Veratrum californicum var. californicum) – 19 photos
skunk cabbage (Veratrum californicum var. caudatum) – 18 photos
wild cabbage (Brassica oleracea) – 16 photos
wild cabbage (Caulanthus lasiophyllus) – 1 photo
yellow skunk cabbage (Lysichiton americanus) – 62 photos
Cactus
basalt cactus (Pediocactus nigrispinus) – 78 photos
dark-spine ball cactus (Pediocactus nigrispinus) – 78 photos
snowball cactus (Pediocactus nigrispinus) – 78 photos
Caesar
Ballen's American Caesar (Amanita calyptroderma (lanei)) – 5 photos
Cakes
King Alfred's cakes (Daldinia grandis) – 3 photos
Calico-flower
Cascade calico-flower (Downingia yina) – 29 photos
Calliopsis
calliopsis (Coreopsis tinctoria) – 25 photos
Calocybe
pink Calocybe (Calocybe carnea) – 2 photos
Calypso
Camas
blue camas (Camassia quamash ssp. azurea) – 7 photos
common camas (Camassia quamash) – 64 photos
common camas (Camassia quamash ssp. quamash) – 26 photos
Cusick's camas (Camassia cusickii) – 12 photos
dark camas (Camassia quamash ssp. maxima) – 27 photos
eastern camas (Camassia quamash ssp. breviflora) – 18 photos
great camas (Camassia leichtlinii) – 28 photos
prairie camas (Camassia quamash ssp. azurea) – 7 photos
small-flowered camas (Camassia quamash ssp. breviflora) – 18 photos
Suksdorf's great camas (Camassia leichtlinii ssp. suksdorfii) – 22 photos
Camelthorn
camelthorn (Alhagi maurorum) – 7 photos
Campion
biennial campion (Silene csereii) – 4 photos
bladder campion (Silene vulgaris) – 29 photos
moss campion (Silene acaulis) – 41 photos
rose campion (Lychnis coronaria) – 42 photos
white campion (Silene latifolia) – 55 photos
Canarygrass
reed canarygrass (Phalaris arundinacea) – 59 photos
Cancerwort
sharpleaf cancerwort (Kickxia elatine) – 14 photos
Candy-cap
Candyflower
candyflower (Claytonia sibirica) – 72 photos
spreading candyflower (Montia diffusa) – 19 photos
Candystick
candystick (Allotropa virgata) – 63 photos
Candytuft
globe candytuft (Iberis umbellata) – 3 photos
wild candytuft (Noccaea fendleri) – 3 photos
wild candytuft (Noccaea fendleri ssp. glauca) – 50 photos
Cap
American slippery cap (Suillus americanus) – 3 photos
conifercone cap (Baeospora myosura) – 4 photos
crumble cap (Coprinellus disseminatus) – 6 photos
cucumber cap (Macrocystidia cucumis) – 4 photos
slippery cap (Leotia lubrica) – 3 photos
Caraway
Carbon-antlers
carbon-antlers (Xylaria hypoxylon) – 9 photos
Carelessweed
carelessweed (Cyclachaena xanthiifolia) – 16 photos
Carpetweed
carpetweed (Mollugo verticillata) – 31 photos
green carpetweed (Mollugo verticillata) – 31 photos
Carrot
American wild carrot (Daucus pusillus) – 17 photos
wild carrot (Daucus carota) – 36 photos
Cascara
Cat
imperial cat (Catathelasma imperiale) – 2 photos
swollen-stalked cat (Catathelasma ventricosum) – 4 photos
Cat's ear
elegant cat's ear (Calochortus elegans var. elegans) – 5 photos
Cat's-ear
hairy cat's-ear (Hypochaeris radicata) – 29 photos
rough cat's-ear (Hypochaeris radicata) – 29 photos
smooth cat's-ear (Hypochaeris glabra) – 19 photos
Cat's-ears
cat's-ears (Calochortus tolmiei) – 14 photos
Cat's-eye
basin cat's-eye (Cryptantha ambigua) – 23 photos
Clearwater cat's-eye (Cryptantha intermedia) – 23 photos
pinyon desert cat's-eye (Cryptantha scoparia) – 4 photos
quill cat's-eye (Cryptantha affinis) – 15 photos
sand dune cat's-eye (Cryptantha fendleri) – 17 photos
Snake River cat's-eye (Oreocarya spiculifera) – 46 photos
Thompson's cat's-eye (Oreocarya thompsonii) – 28 photos
weakstem cat's-eye (Cryptantha flaccida) – 21 photos
Cat-tail
broad-leaf cat-tail (Typha latifolia) – 49 photos
narrow-leaf cat-tail (Typha angustifolia) – 41 photos
smooth cat-tail (Typha ×glauca) – 3 photos
southern cat-tail (Typha domingensis) – 13 photos
Catalpa
northern catalpa (Catalpa speciosa) – 7 photos
southern catalpa (Catalpa bignonioides) – 1 photo
Catchfly
Cascade catchfly (Silene suksdorfii) – 15 photos
Douglas's catchfly (Silene douglasii) – 17 photos
Douglas's catchfly (Silene douglasii var. douglasii) – 42 photos
Douglas's catchfly (Silene douglasii var. rupinae) – 13 photos
evening catchfly (Silene latifolia) – 55 photos
Menzies's catchfly (Silene menziesii) – 49 photos
night-flowering catchfly (Silene noctiflora) – 10 photos
Oregon catchfly (Silene oregana) – 40 photos
Palmer's catchfly (Silene bernardina) – 13 photos
red catchfly (Silene dioica) – 11 photos
Sargent's catchfly (Silene sargentii) – 4 photos
Scouler's catchfly (Silene scouleri) – 9 photos
sleepy catchfly (Silene antirrhina) – 27 photos
Spalding's catchfly (Silene spaldingii) – 28 photos
Suksdorf's catchfly (Silene suksdorfii) – 15 photos
sweet William catchfly (Atocion armeria) – 17 photos
Catchweed
Catnip
Cats-ear
elegant cats-ear (Calochortus elegans) – 24 photos
Cattail
common cattail (Typha latifolia) – 49 photos
Cauliflower
Cauliflower mushroom (Sparassis crispa) – 6 photos
Cavalier
common cavalier (Melanoleuca melaleuca) – 6 photos
golden cavalier (Tricholoma aurantium) – 3 photos
irksome cavalier (Tricholoma inamoenum cf.) – 7 photos
spring cavalier (Melanoleuca cognata) – 2 photos
waxygill cavalier (Tricholoma myomyces) – 1 photo
Ceanothus
prostrate ceanothus (Ceanothus prostratus) – 35 photos
redstem ceanothus (Ceanothus sanguineus) – 59 photos
Cedar
canoe cedar (Thuja plicata) – 53 photos
Celandine
lesser celandine (Ficaria verna) – 27 photos
Celery
wild celery (Vallisneria americana) – 36 photos
Centaury
common centaury (Centaurium erythraea) – 45 photos
desert centaury (Zeltnera exaltata) – 23 photos
European centaury (Centaurium erythraea) – 45 photos
Muhlenberg`s centaury (Zeltnera muehlenbergii) – 25 photos
tall centaury (Zeltnera exaltata) – 23 photos
Cep
Cerastium
starry cerastium (Cerastium arvense) – 48 photos
Chaenactis
hoary chaenactis (Chaenactis douglasii) – 17 photos
Chaffweed
Chain-tree
golden chain-tree (Laburnum anagyroidis) – 5 photos
Chamomile
Austrian chamomile (Cota austriaca) – 4 photos
corn chamomile (Anthemis arvensis) – 23 photos
false chamomile (Tripleurospermum inodorum) – 37 photos
field chamomile (Anthemis arvensis) – 23 photos
golden chamomile (Cota tinctoria) – 11 photos
mayweed chamomile (Anthemis cotula) – 36 photos
scentless chamomile (Tripleurospermum maritimum) – 3 photos
stinking chamomile (Anthemis cotula) – 36 photos
wild chamomile (Matricaria chamomilla) – 10 photos
yellow chamomile (Cota tinctoria) – 11 photos
Champignon
champignon (Agaricus bisporus) – 1 photo
champignon (Agaricus campestris) – 9 photos
fairy ring champignon (Marasmius oreades) – 6 photos
Chanterelle
black chanterelle (Craterellus cornucopioides) – 1 photo
black chanterelle (Polyozellus multiplex) – 4 photos
blue chanterelle (Polyozellus multiplex) – 4 photos
blue clustered chanterelle (Polyozellus multiplex) – 4 photos
clustered blue chanterelle (Polyozellus multiplex) – 4 photos
false chanterelle (Hygrophoropsis aurantiaca) – 8 photos
funnel chanterelle (Craterellus tubaeformis) – 7 photos
golden chanterelle (Cantharellus formosus) – 11 photos
Pacific chanterelle (Cantharellus formosus) – 11 photos
Pacific golden chanterelle (Cantharellus formosus) – 11 photos
rainbow chanterelle (Cantharellus roseocanus) – 6 photos
scaly chanterelle (Gomphus floccosus) – 17 photos
scaly vase chanterelle (Gomphus floccosus) – 17 photos
trumpet chanterelle (Craterellus tubaeformis) – 7 photos
white chanterelle (Cantharellus subalbidus) – 5 photos
winter chanterelle (Craterellus tubaeformis) – 7 photos
wooly chanterelle (Gomphus floccosus) – 17 photos
yellow chanterelle (Cantharellus formosus) – 11 photos
Charcoal
Charcoal Burner (Russula cyanoxantha) – 1 photo
Charlock
jointed charlock (Raphanus raphanistrum) – 27 photos
Cheatgrass
cheatgrass (Bromus tectorum) – 22 photos
Checker-mallow
bristly-stem checker-mallow (Sidalcea hirtipes) – 25 photos
Henderson's checker-mallow (Sidalcea hendersonii) – 15 photos
meadow checker-mallow (Sidalcea campestris) – 9 photos
Nelson's checker-mallow (Sidalcea nelsoniana) – 19 photos
Oregon checker-mallow (Sidalcea oregana) – 15 photos
virgate checker-mallow (Sidalcea virgata) – 18 photos
Checkerbloom
virgate checkerbloom (Sidalcea virgata) – 18 photos
Checkermallow
Oregon checkermallow (Sidalcea oregana var. calva) – 23 photos
Oregon checkermallow (Sidalcea oregana var. oregana) – 74 photos
Cheeseweed
cheeseweed (Malva parviflora) – 18 photos
Cherry
bitter cherry (Prunus emarginata) – 83 photos
European bird cherry (Prunus padus) – 8 photos
ground cherry (Physalis heterophylla) – 1 photo
laurel cherry (Prunus laurocerasus) – 14 photos
mahaleb cherry (Prunus mahaleb) – 18 photos
Nanking cherry (Prunus tomentosa) – 3 photos
perfumed cherry (Prunus mahaleb) – 18 photos
Puget Sound cherry (Prunus ×pugetensis) – 11 photos
sour cherry (Prunus cerasus) – 5 photos
sweet cherry (Prunus avium) – 21 photos
Yoshino cherry (Prunus yedoensis) – 2 photos
Cherry-laurel
cherry-laurel (Prunus laurocerasus) – 14 photos
Chervil
burr chervil (Anthriscus caucalis) – 32 photos
rough chervil (Chaerophyllum temulum) – 14 photos
wild chervil (Anthriscus sylvestris) – 32 photos
Chess
soft chess (Bromus hordeaceus) – 14 photos
Chestnut
European chestnut (Castanea sativa) – 3 photos
Spanish chestnut (Castanea sativa) – 3 photos
sweet chestnut (Castanea sativa) – 3 photos
Chevalier
western chevalier (Tricholoma intermedium (leucophyllum)) – 2 photos
Chick-pea
Chicken-of-the-woods
chicken-of-the-woods (Laetiporus conifericola) – 11 photos
Chickweed
alpine chickweed (Cerastium beeringianum) – 2 photos
common chickweed (Cerastium fontanum ssp. vulgare) – 32 photos
common chickweed (Stellaria media) – 37 photos
field chickweed (Cerastium arvense) – 48 photos
field chickweed (Cerastium arvense ssp. strictum) – 35 photos
field mouse-ear chickweed (Cerastium arvense) – 48 photos
forked mouse-ear chickweed (Cerastium dichotomum) – 6 photos
giant chickweed (Myosoton aquaticum) – 3 photos
gray mouse-ear chickweed (Cerastium brachypetalum) – 8 photos
mouse-ear chickweed (Cerastium fontanum ssp. vulgare) – 32 photos
nodding chickweed (Cerastium nutans var. nutans) – 4 photos
short-stalk mouse-ear chickweed (Cerastium brachypodum) – 10 photos
upright chickweed (Moenchia erecta) – 12 photos
water chickweed (Montia fontana) – 30 photos
water chickweed (Myosoton aquaticum) – 3 photos
Chicory
Chinquapin
giant chinquapin (Chrysolepis chrysophylla) – 26 photos
giant chinquapin (Chrysolepis chrysophylla var. chrysophylla) – 5 photos
golden chinquapin (Chrysolepis chrysophylla) – 26 photos
golden chinquapin (Chrysolepis chrysophylla var. chrysophylla) – 5 photos
Chives
wild chives (Allium vineale) – 12 photos
Chokecherry
common chokecherry (Prunus virginiana) – 96 photos
western chokecherry (Prunus virginiana) – 96 photos
white chokecherry (Prunus virginiana) – 96 photos
Chrysomphalina
golden-gilled Chrysomphalina (Chrysomphalina chrysophylla) – 2 photos
Chucklusa
Cinquefoil
biennial cinquefoil (Potentilla biennis) – 24 photos
blueleaf cinquefoil (Potentilla glaucophylla) – 21 photos
Brewer's cinquefoil (Potentilla breweri) – 9 photos
brook cinquefoil (Potentilla rivalis) – 11 photos
bushy cinquefoil (Potentilla supina ssp. paradoxa) – 68 photos
comb-leaf cinquefoil (Potentilla gracilis var. flabelliformis) – 24 photos
different-leaved cinquefoil (Potentilla glaucophylla) – 21 photos
diverse-leaved cinquefoil (Potentilla glaucophylla) – 21 photos
Douglas's cinquefoil (Potentilla douglasii var. douglasii) – 29 photos
Drummond's cinquefoil (Potentilla drummondii) – 31 photos
Elmer's cinquefoil (Potentilla gracilis var. flabelliformis) – 24 photos
fan-leaf cinquefoil (Potentilla flabellifolia) – 44 photos
fringe-leaf cinquefoil (Potentilla flabellifolia) – 44 photos
gland cinquefoil (Drymocallis glandulosa ssp. glandulosa) – 48 photos
Hall's cinquefoil (Potentilla gracilis var. gracilis) – 60 photos
hoary cinquefoil (Potentilla argentea) – 25 photos
Idaho cinquefoil (Potentilla gracilis var. flabelliformis) – 24 photos
John Day cinquefoil (Drymocallis campanulata) – 5 photos
Kluane cinquefoil (Potentilla jepsonii var. kluanensis Matthew Below) – 4 photos
marsh cinquefoil (Comarum palustre) – 34 photos
Newberry's cinquefoil (Potentilla newberryi) – 6 photos
northern cinquefoil (Potentilla villosa) – 22 photos
Norwegian cinquefoil (Potentilla norvegica) – 30 photos
red-stemmed cinquefoil (Potentilla rubricaulis) – 1 photo
river cinquefoil (Potentilla rivalis) – 11 photos
rough cinquefoil (Potentilla norvegica) – 15 photos
shrubby cinquefoil (Dasiphora fruticosa) – 61 photos
silver cinquefoil (Potentilla argentea) – 25 photos
silverweed cinquefoil (Potentilla anserina) – 10 photos
silvery cinquefoil (Potentilla anserina ssp. anserina) – 8 photos
slender cinquefoil (Potentilla gracilis) – 21 photos
slender cinquefoil (Potentilla gracilis var. gracilis) – 120 photos
snow cinquefoil (Potentilla nivea) – 9 photos
snow cinquefoil (Potentilla rubricaulis) – 1 photo
sticky cinquefoil (Drymocallis glandulosa) – 25 photos
sticky cinquefoil (Drymocallis glandulosa ssp. glandulosa) – 24 photos
subarctic cinquefoil (Potentilla hyparctica) – 8 photos
sulphur cinquefoil (Potentilla recta) – 34 photos
vari-leaved cinquefoil (Potentilla glaucophylla) – 21 photos
villous cinquefoil (Potentilla villosa) – 22 photos
wooly cinquefoil (Potentilla gracilis var. gracilis) – 60 photos
Clammyweed
clammyweed (Polanisia dodecandra) – 2 photos
Clarkia
common clarkia (Clarkia rhomboidea) – 19 photos
twiggy clarkia (Clarkia purpurea ssp. viminea) – 3 photos
yellow clarkia (Clarkia amoena) – 90 photos
Clary
Balkan clary (Salvia nemorosa) – 4 photos
meadow clary (Salvia pratensis) – 2 photos
Clavaria
smoky clavaria (Clavaria fumosa) – 2 photos
Claytonia
Claytonia
Lake Washington claytonia (Claytonia washingtoniana) – 16 photos
pale claytonia (Claytonia exigua) – 4 photos
Claytonia
pale springbeauty Claytonia (Claytonia exigua ssp. exigua) – 20 photos
pallid Claytonia (Claytonia exigua ssp. glauca) – 22 photos
Claytonia
sand claytonia (Claytonia arenicola) – 12 photos
Cleareye
Cleavers
common cleavers (Galium aparine) – 53 photos
Clematis
Columbia clematis (Clematis occidentalis) – 17 photos
Columbia clematis (Clematis occidentalis var. dissecta) – 16 photos
Columbia clematis (Clematis occidentalis var. grosseserrata) – 24 photos
Douglas' clematis (Clematis hirsutissima var. hirsutissima) – 2 photos
Douglas's clematis (Clematis hirsutissima) – 12 photos
evergreen clematis (Clematis vitalba) – 33 photos
Oriental clematis (Clematis orientalis) – 3 photos
rock clematis (Clematis occidentalis) – 17 photos
western clematis (Clematis ligusticifolia) – 82 photos
Cliff brake
Cliff fern
Rocky Mountain cliff fern (Woodsia scopulina ssp. scopulina) – 17 photos
Cliff-brake
Gastony's cliff-brake (Pellaea gastonyi) – 2 photos
simple cliff-brake (Pellaea glabella ssp. simplex) – 3 photos
smooth cliff-brake (Pellaea glabella) – 3 photos
Cliff-fern
cliff-fern (Woodsia scopulina) – 5 photos
Oregon cliff-fern (Woodsia oregana) – 21 photos
Oregon cliff-fern (Woodsia oregana ssp. oregana) – 4 photos
western cliff-fern (Woodsia oregana ssp. oregana) – 4 photos
Cliffbrake
Brewer's cliffbrake (Pellaea breweri) – 9 photos
Sierran cliffbrake (Pellaea brachyptera) – 14 photos
Clitocybe
anise-scented Clitocybe (Clitocybe odora) – 3 photos
Clitocybe
brick-red clitocybe (Clitocybe sinopica) – 3 photos
cloudy clitocybe (Clitocybe nebularis) – 9 photos
club-footed clitocybe (Ampulloclitocybe clavipes (Clitocybe)) – 7 photos
Clitocybe
crowded white Clitocybe (Clitocybe dilatata) – 2 photos
Clitocybe
lead-white clitocybe (Clitocybe cerussata) – 1 photo
parasitic clitocybe (Clitocybe sclerotoidea) – 1 photo
small scaly clitocybe (Clitocybe squamulosa) – 2 photos
smoky-brown clitocybe (Ampulloclitocybe avellaneoalba) – 1 photo
snowmelt clitocybe (Clitocybe albirhiza) – 4 photos
Clitocybe
sweat-producing Clitocybe (Clitocybe rivulosa (dealbata var. sudorifica)) – 5 photos
Clitocybe
white-stranded clitocybe (Clitocybe albirhiza) – 4 photos
Clitocybe
wood Clitocybe (Pseudoarmillariella ectypoides (Clitocybe)) – 1 photo
Clitocybula
black and white clitocybula (Clitocybula atrialba) – 2 photos
Cloover
woolly-head cloover (Trifolium eriocephalum var. eriocephalum) – 9 photos
Clotbur
spiny clotbur (Xanthium spinosum) – 11 photos
Clover
alsike clover (Trifolium hybridum) – 38 photos
arrow-leaf clover (Trifolium vesiculosum) – 9 photos
big-head clover (Trifolium macrocephalum) – 52 photos
bowl clover (Trifolium cyathiferum) – 44 photos
branched clover (Trifolium dichotomum) – 8 photos
burrowing clover (Trifolium subterraneum) – 22 photos
clustered clover (Trifolium glomeratum) – 9 photos
cow clover (Trifolium wormskioldii) – 34 photos
crimson clover (Trifolium incarnatum) – 10 photos
cup clover (Trifolium cyathiferum) – 44 photos
Douglas's clover (Trifolium douglasii) – 3 photos
Dutch clover (Trifolium repens) – 47 photos
few-flowered clover (Trifolium oliganthum) – 22 photos
field clover (Trifolium campestre) – 24 photos
foothill clover (Trifolium ciliolatum) – 11 photos
golden clover (Trifolium aureum) – 25 photos
greater hop clover (Trifolium aureum) – 25 photos
hop clover (Medicago lupulina) – 35 photos
hop clover (Trifolium campestre) – 24 photos
knotted clover (Trifolium striatum) – 12 photos
large-head clover (Trifolium macrocephalum) – 52 photos
least hop clover (Trifolium dubium) – 24 photos
long-stalked clover (Trifolium longipes) – 18 photos
long-stalked clover (Trifolium longipes var. longipes) – 7 photos
long-stalked clover (Trifolium longipes var. multiovulatum) – 19 photos
long-stalked clover (Trifolium longipes var. multipedunculatum) – 12 photos
long-stalked clover (Trifolium longipes var. reflexum) – 4 photos
nodding clover (Trifolium cernuum) – 1 photo
notch-leaf clover (Trifolium bifidum) – 2 photos
notchleaf clover (Trifolium bifidum var. decipiens) – 11 photos
Pinole clover (Trifolium bifidum) – 2 photos
Pinole clover (Trifolium bifidum var. decipiens) – 11 photos
plumed clover (Trifolium plumosum var. plumosum) – 10 photos
poverty clover (Trifolium depauperatum) – 5 photos
poverty clover (Trifolium depauperatum var. depauperatum) – 13 photos
rabbitfoot clover (Trifolium arvense) – 41 photos
red clover (Trifolium pratense) – 32 photos
reversed clover (Trifolium resupinatum) – 12 photos
rose clover (Trifolium hirtum) – 10 photos
salt marsh clover (Trifolium wormskioldii) – 34 photos
sand clover (Trifolium willdenovii) – 49 photos
small-head clover (Trifolium microcephalum) – 45 photos
strawberry clover (Trifolium fragiferum) – 33 photos
subterranean clover (Trifolium subterraneum) – 22 photos
suckling clover (Trifolium dubium) – 24 photos
suffocated clover (Trifolium suffocatum) – 20 photos
teasel clover (Trifolium retusum) – 8 photos
thimble clover (Trifolium microdon) – 14 photos
Thompson's clover (Trifolium thompsonii) – 27 photos
tomcat clover (Trifolium willdenovii) – 49 photos
tree clover (Trifolium ciliolatum) – 11 photos
twin clover (Trifolium latifolium) – 28 photos
Valparaiso clover (Trifolium microdon) – 14 photos
white clover (Trifolium repens) – 47 photos
white-tip clover (Trifolium variegatum) – 31 photos
woolly-head clover (Trifolium eriocephalum) – 1 photo
woolly-head clover (Trifolium eriocephalum var. arcuatum) – 30 photos
yellow clover (Trifolium aureum) – 25 photos
Clover-fern
hairy clover-fern (Marsilea vestita) – 34 photos
Club
handsome club (Clavulinopsis laeticolor) – 4 photos
pointed club (Clavaria acuta) – 3 photos
redleg club (Typhula erythropus) – 1 photo
water club (Vibrissea truncorum) – 1 photo
Club-foot
Club-rush
chairmaker's club-rush (Schoenoplectus pungens) – 12 photos
low club-rush (Isolepis cernua) – 15 photos
swaying club-rush (Schoenoplectus subterminalis) – 25 photos
triangular club-rush (Schoenoplectus triqueter) – 8 photos
tufted club-rush (Trichophorum cespitosum) – 6 photos
water club-rush (Schoenoplectus subterminalis) – 25 photos
Clubmoss
Alaskan clubmoss (Diphasiastrum sitchense) – 21 photos
alpine clubmoss (Diphasiastrum alpinum) – 12 photos
bog clubmoss (Lycopodiella inundata) – 9 photos
common clubmoss (Lycopodium clavatum) – 40 photos
Douglas' clubmoss (Selaginella douglasii) – 27 photos
fir clubmoss (Huperzia miyoshiana) – 17 photos
hybrid clubmoss (Diphasiastrum ×takedae) – 14 photos
interrupted clubmoss (Spinulum annotinum) – 52 photos
lesser clubmoss (Selaginella douglasii) – 27 photos
marsh clubmoss (Lycopodiella inundata) – 9 photos
northern bog clubmoss (Lycopodiella inundata) – 9 photos
one-cone clubmoss (Lycopodium lagopus) – 15 photos
prickly tree clubmoss (Dendrolycopodium dendroideum) – 19 photos
ptarmigan clubmoss (Lycopodium lagopus) – 15 photos
Sitka clubmoss (Diphasiastrum sitchense) – 21 photos
stiff clubmoss (Spinulum annotinum) – 52 photos
western clubmoss (Huperzia occidentalis) – 26 photos
Clump
fused orange clump (Ramaria sandaracina var. chondrobasis) – 2 photos
sweet orange clump (Ramaria sandaracina var. euosma) – 2 photos
Coat
queen's coat (Tricholomopsis decora) – 3 photos
Cobraplant
cobraplant (Darlingtonia californica) – 16 photos
Coccora
fall coccora (Amanita calyptroderma (lanei)) – 5 photos
Cock's-head
cock's-head (Astragalus agrestis) – 17 photos
Cocklebur
common cocklebur (Xanthium orientale) – 19 photos
spiny cocklebur (Xanthium spinosum) – 11 photos
Cockleshell
aniseed cockleshell (Lentinellus cochleatus) – 1 photo
Codlins-and-cream
codlins-and-cream (Epilobium hirsutum) – 34 photos
Coincap
appleseed coincap (Collybia tuberosa) – 4 photos
Coldenia
Collinsia
few-flowered collinsia (Collinsia sparsiflora) – 9 photos
Rattan collinsia (Collinsia rattanii) – 27 photos
Collomia
alpine collomia (Collomia debilis) – 28 photos
alpine collomia (Collomia debilis var. debilis) – 7 photos
bristle-flowered collomia (Collomia macrocalyx) – 6 photos
diffuse collomia (Collomia tenella) – 20 photos
large-flowered collomia (Collomia grandiflora) – 96 photos
Larsen's alpine collomia (Collomia larsenii) – 27 photos
narrow-leaf collomia (Collomia linearis) – 50 photos
talus collomia (Collomia larsenii) – 27 photos
varied-leaf collomia (Collomia heterophylla) – 34 photos
yellow-staining collomia (Collomia tinctoria) – 25 photos
Collybia
branched Collybia (Dendrocollybia racemosa (Collybia)) – 1 photo
buttery Collybia (Rhodocollybia butyracea) – 4 photos
clustered Collybia (Gymnopus acervatus) – 7 photos
common Collybia (Gymnopus dryophilus) – 10 photos
fragrant Collybia (Rhodocollybia oregonensis) – 6 photos
oak Collybia (Gymnopus dryophilus) – 10 photos
spotted Collybia (Rhodocollybia maculata) – 3 photos
tuberous Collybia (Collybia tuberosa) – 4 photos
tufted Collybia (Gymnopus confluens) – 8 photos
Colorado
pino real Colorado (Pseudotsuga menziesii var. glauca) – 9 photos
Coltsfoot
arrowhead sweet coltsfoot (Petasites frigidus var. sagittatus) – 20 photos
arrowleaf coltsfoot (Petasites frigidus var. sagittatus) – 20 photos
Japanese sweet coltsfoot (Petasites japonicus) – 8 photos
sweet coltsfoot (Petasites frigidus) – 17 photos
sweet coltsfoot (Petasites frigidus var. frigidus) – 21 photos
western coltsfoot (Petasites frigidus var. palmatus) – 51 photos
Columbine
European Columbine (Aquilegia vulgaris) – 8 photos
hybrid columbine (Aquilegia ×miniana) – 10 photos
red columbine (Aquilegia formosa) – 69 photos
red columbine (Aquilegia formosa var. formosa) – 22 photos
Sitka columbine (Aquilegia formosa) – 69 photos
Sitka columbine (Aquilegia formosa var. formosa) – 22 photos
western columbine (Aquilegia formosa var. formosa) – 22 photos
yellow columbine (Aquilegia flavescens) – 102 photos
Combleaf
Combseed
bristly combseed (Pectocarya setosa) – 17 photos
little combseed (Gruvelia) – 13 photos
shortleaf combseed (Pectocarya penicillata) – 13 photos
Comfrey
common comfrey (Symphytum officinale) – 35 photos
creeping comfrey (Symphytum grandiflorum) – 3 photos
hybrid comfrey (Symphytum ×uplandicum) – 3 photos
prickly comfrey (Symphytum asperum) – 3 photos
rough comfrey (Symphytum asperum) – 3 photos
Cone
golden jelly cone (Heterotextus alpinus) – 3 photos
Cone-head
common cone-head (Conocybe tenera) – 3 photos
Conecap
conifer conecap (Baeospora myosura) – 4 photos
Coneflower
prairie coneflower (Ratibida columnifera) – 16 photos
Coneplant
Conk
artist's conk (Ganoderma applanatum) – 9 photos
birch conk (Piptoporus betulinus) – 1 photo
false tinder conk (Phellinus igniarius) – 1 photo
quinine conk (Fomitopsis officinalis) – 3 photos
red-belt conk (Fomitopsis pinicola) – 8 photos
red-belted conk (Fomitopsis mounceae Stephen Kropp) – 1 photo
toothed conk (Echinodontium tinctorium) – 1 photo
varnished conk (Ganoderma lucidum) – 1 photo
western varnished conk (Ganoderma oregonense) – 6 photos
Conyza
South American conyza (Conyza bonariensis) – 3 photos
Coolwort
northern false coolwort (Bolandra oregana) – 16 photos
Oregon coolwort (Sullivantia oregana) – 12 photos
Coon's-tail
coon's-tail (Ceratophyllum demersum) – 19 photos
Copperbush
copperbush (Elliottia pyroliflora) – 29 photos
Coprinus
gastroid Coprinus (Montagnea arenaria) – 4 photos
Coral
blah coral (Ramaria acrisiccescens) – 4 photos
carmine coral (Ramaria araiospora var. araiospora) – 5 photos
cauliflower coral (Ramaria botrytis) – 2 photos
clustered coral (Ramaria botrytis) – 2 photos
crested coral (Clavulina coralloides (cristata)) – 8 photos
crimson coral (Ramaria araiospora var. rubella) – 2 photos
fetid false coral (Thelephora palmata) – 2 photos
flat-top coral (Clavariadelphus truncatus) – 7 photos
flat-topped coral (Clavariadelphus truncatus) – 7 photos
fuzzy-footed coral (Ramaria cystidiophora var. cystidiophora) – 1 photo
gelatinous coral (Ramaria gelatinosa var. oregonensis) – 4 photos
golden coral (Ramaria largentii) – 3 photos
gray coral (Clavulina cinerea) – 2 photos
green-staining coral (Ramaria abietina) – 6 photos
green-tipped coral (Ramaria apiculata var. apiculata) – 2 photos
ivory coral (Ramariopsis kunzei) – 4 photos
Kit's creamy coral (Ramaria rasilispora var. scatesiana) – 5 photos
Largent's coral (Ramaria largentii) – 3 photos
light red coral (Ramaria araiospora var. araiospora) – 5 photos
Oregon gelatinous coral (Ramaria gelatinosa var. oregonensis) – 4 photos
purple club coral (Alloclavaria purpurea (Clavaria) purpurea) – 1 photo
purple coral (Alloclavaria purpurea (Clavaria) purpurea) – 1 photo
rosy club coral (Clavaria rosea) – 1 photo
straight coral (Ramaria stricta var. stricta) – 4 photos
straight-branched coral (Ramaria stricta var. stricta) – 4 photos
strap coral (Clavariadelphus ligula) – 3 photos
strap-shaped coral (Clavariadelphus ligula) – 3 photos
truncate club coral (Clavariadelphus truncatus) – 7 photos
upright coral (Ramaria stricta var. stricta) – 4 photos
white coral (Ramariopsis kunzei) – 4 photos
wine-tipped coral (Ramaria botrytis) – 2 photos
wrinkled coral (Clavulina coralloides (cristata)) – 8 photos
wrinkled coral (Clavulina rugosa) – 2 photos
yellow false coral (Calocera viscosa) – 2 photos
yellow-tipped coral (Ramaria formosa cf.) – 4 photos
Coraldrops
red coraldrops (Veronica rubra) – 26 photos
Coralroot
early coralroot (Corallorhiza trifida) – 15 photos
hooded coralroot (Corallorhiza striata var. striata) – 12 photos
northern coralroot (Corallorhiza trifida) – 15 photos
ozette coralroot (Corallorhiza maculata var. ozettensis) – 4 photos
Pacific coralroot (Corallorhiza mertensiana) – 71 photos
spotted coralroot (Corallorhiza maculata) – 57 photos
spotted coralroot (Corallorhiza maculata var. maculata) – 14 photos
striped coralroot (Corallorhiza striata) – 31 photos
striped coralroot (Corallorhiza striata var. striata) – 12 photos
western coralroot (Corallorhiza mertensiana) – 71 photos
western spotted coralroot (Corallorhiza maculata var. occidentalis) – 24 photos
yellow coralroot (Corallorhiza trifida) – 15 photos
Cordgrass
alkali cordgrass (Spartina gracilis) – 17 photos
Chilean cordgrass (Spartina densiflora) – 2 photos
English cordgrass (Spartina anglica) – 2 photos
freshwater cordgrass (Spartina pectinata) – 18 photos
prairie cordgrass (Spartina pectinata) – 18 photos
saltmeadow cordgrass (Spartina patens) – 1 photo
saltwater cordgrass (Spartina alterniflora) – 2 photos
smooth cordgrass (Spartina alterniflora) – 2 photos
Cordyceps
goldenthread Cordyceps (Elaphocordyceps ophioglossoides (Cordyceps)) – 1 photo
Coreopsis
Columbia coreopsis (Coreopsis tinctoria) – 25 photos
Cork
quinine cork (Laricifomes officinalis) – 1 photo
Corn
Corncockle
common corncockle (Agrostemma githago) – 25 photos
Cornflower
garden cornflower (Centaurea cyanus) – 38 photos
mountain cornflower (Centaurea montana) – 21 photos
Cort
cinnamon Cort (Cortinarius cinnamomeus) – 5 photos
pungent Cort (Cortinarius traganus) – 10 photos
spotted Cort (Cortinarius iodes) – 1 photo
violet Cort (Cortinarius violaceus) – 7 photos
viscid violet Cort (Cortinarius iodes) – 1 photo
Cortinarius
belted slimy Cortinarius (Cortinarius collinitus) – 2 photos
Cortinarius
brown cortinarius (Cortinarius laniger) – 9 photos
Cortinarius
bulbous Cortinarius (Cortinarius glaucopus) – 13 photos
Cortinarius
deadly cortinarius (Cortinarius gentilis) – 1 photo
Cortinarius
early Cortinarius (Cortinarius trivialis) – 2 photos
fragrant Cortinarius (Cortinarius percomis) – 1 photo
lilac conifer Cortinarius (Cortinarius traganus) – 10 photos
pointed Cortinarius (Cortinarius vanduzerensis) – 9 photos
Cortinarius
purple-staining cortinarius (Cortinarius mutabilis) – 1 photo
silvery-violet cortinarius (Cortinarius alboviolaceus) – 5 photos
slimy cortinarius (Cortinarius mucosus) – 2 photos
Cortinarius
violet Cortinarius (Cortinarius violaceus) – 7 photos
western red-capped Cortinarius (Cortinarius smithii (phoeniceus v occidentalis)) – 2 photos
Corydalis
golden corydalis (Corydalis aurea) – 9 photos
golden corydalis (Corydalis aurea ssp. aurea) – 9 photos
marsh corydalis (Corydalis aquae-gelidae) – 15 photos
yellow corydalis (Corydalis lutea) – 4 photos
Costmary
Cotoneaster
bullate cotoneaster (Cotoneaster rehderi) – 16 photos
Diel's cotoneaster (Cotoneaster dielsianus) – 2 photos
franchet's cotoneaster (Cotoneaster franchetii) – 19 photos
Himalayan cotoneaster (Cotoneaster simonsii) – 7 photos
Hjelmqvist's cotoneaster (Cotoneaster hjelmqvistii) – 1 photo
late cotoneaster (Cotoneaster lacteus) – 19 photos
milk-flower cotoneaster (Cotoneaster lacteus) – 19 photos
orange cotoneaster (Cotoneaster franchetii) – 19 photos
puckered-leaf cotoneaster (Cotoneaster rehderi) – 16 photos
rock cotoneaster (Cotoneaster horizontalis) – 13 photos
rockspray cotoneaster (Cotoneaster horizontalis) – 13 photos
Simon's cotoneaster (Cotoneaster simonsii) – 7 photos
spreading cotoneaster (Cotoneaster divaricatus) – 9 photos
wall cotoneaster (Cotoneaster horizontalis) – 13 photos
Cotton-grass
Chamisso's cotton-grass (Eriophorum chamissonis) – 40 photos
many-spiked cotton-grass (Eriophorum angustifolium) – 22 photos
russet cotton-grass (Eriophorum chamissonis) – 40 photos
slender cotton-grass (Eriophorum gracile) – 21 photos
tassel cotton-grass (Eriophorum viridicarinatum) – 17 photos
tawny cotton-grass (Eriophorum virginicum) – 16 photos
Cottongrass
many-spiked cottongrass (Eriophorum angustifolium ssp. angustifolium) – 6 photos
Cottonleaf
globe cottonleaf (Euchiton sphaericus) – 2 photos
star cottonleaf (Euchiton sphaericus) – 2 photos
Cottonrose
field cottonrose (Filago arvensis) – 24 photos
little cottonrose (Logfia minima) – 25 photos
Cottontop
Cottonweed
daggerleaf cottonweed (Logfia gallica) – 7 photos
Cottonwood
black cottonwood (Populus nigra) – 10 photos
black cottonwood (Populus trichocarpa) – 98 photos
eastern cottonwood (Populus deltoides) – 6 photos
Cous
Cow-parsnip
American cow-parsnip (Heracleum maximum) – 98 photos
Cow-poison
cow-poison (Delphinium trolliifolium) – 24 photos
Cow-wheat
narrow-leaved cow-wheat (Melampyrum lineare) – 18 photos
Cowcockle
Coyote-thistle
coyote-thistle (Eryngium) – 1 photo
Crabapple
Oregon crabapple (Malus fusca) – 48 photos
western crabapple (Malus fusca) – 48 photos
Crabgrass
hairy crabgrass (Digitaria sanguinalis) – 17 photos
smooth crabgrass (Digitaria ischaemum) – 7 photos
Cramp-balls
cramp-balls (Daldinia grandis) – 3 photos
Cranberry
cultivated cranberry (Vaccinium macrocarpon) – 14 photos
large cranberry (Vaccinium macrocarpon) – 14 photos
small cranberry (Vaccinium oxycoccos) – 42 photos
Cranberry-bush
American cranberry-bush (Viburnum opulus var. americanum) – 9 photos
cranberry-bush (Viburnum opulus) – 6 photos
European cranberry-bush (Viburnum opulus var. opulus) – 11 photos
Crane's-bill
crane's-bill (Geranium) – 1 photo
crane's-bill (Geranium ×oxonianum Kathleen A Dobson) – 1 photo
cut-leaf crane's-bill (Geranium dissectum) – 31 photos
Dalmatian crane's-bill (Geranium dalmaticum) – 2 photos
hedgerow crane's-bill (Geranium pyrenaicum) – 2 photos
long-stalk crane's-bill (Geranium columbinum) – 18 photos
northern crane's-bill (Geranium bicknellii) – 2 photos
purple crane's-bill (Geranium purpureum) – 24 photos
shining crane's-bill (Geranium lucidum) – 48 photos
small-flower crane's-bill (Geranium pusillum) – 24 photos
sticky purple crane's-bill (Geranium viscosissimum) – 64 photos
white crane's-bill (Geranium richardsonii) – 22 photos
Craterelle
winter craterelle (Craterellus tubaeformis) – 7 photos
Crazyweed
boreal crazyweed (Oxytropis borealis) – 1 photo
Cusick's field crazyweed (Oxytropis campestris var. cusickii) – 2 photos
pendent-pod crazyweed (Oxytropis deflexa var. sericea) – 4 photos
slender crazyweed (Oxytropis campestris var. columbiana) – 19 photos
sticky boreal crazyweed (Oxytropis borealis var. viscida) – 17 photos
Wanapum crazyweed (Oxytropis campestris var. wanapum) – 6 photos
yellow-flowered crazyweed (Oxytropis campestris var. spicata) – 37 photos
Creeper
bearded creeper (Crupina vulgaris) – 18 photos
false Virginia creeper (Parthenocissus vitacea) – 26 photos
thicket creeper (Parthenocissus vitacea) – 26 photos
Creeping Charlie
creeping Charlie (Glechoma hederacea) – 23 photos
Creeping-glow-wort
creeping-glow-wort (Sibbaldia procumbens) – 25 photos
Creeping-Jenny
creeping-Jenny (Lysimachia nummularia) – 24 photos
Crep
jelly crep (Crepidotus mollis cf.) – 2 photos
Crepidotus
flabby Crepidotus (Crepidotus mollis cf.) – 2 photos
Cress
Belle Isle cress (Barbarea verna) – 1 photo
Columbia yellowcress cress (Rorippa columbiae) – 23 photos
field cress (Lepidium campestre) – 42 photos
lava cress (Sisymbrium linifolium) – 60 photos
mouse-ear cress (Arabidopsis thaliana) – 40 photos
shepherd's cress (Teesdalia nudicaulis) – 33 photos
Crinklemat
rosette crinklemat (Tiquilia nuttallii) – 14 photos
Crocus
autumn crocus (Colchicum autumnale) – 2 photos
Crossflower
crossflower (Chorispora tenella) – 58 photos
Crowberry
Crowfoot
celery-leaved crowfoot (Ranunculus sceleratus) – 26 photos
water crowfoot (Ranunculus aquatilis) – 6 photos
white water crowfoot (Ranunculus aquatilis) – 6 photos
Crown
king's crown (Rhodiola integrifolia) – 15 photos
king's crown (Rhodiola integrifolia ssp. integrifolia) – 16 photos
pink crown (Sarcosphaera coronaria) – 7 photos
Crown vetch
crown vetch (Securigera varia) – 48 photos
Crowncup
violet crowncup (Sarcosphaera coronaria) – 7 photos
Crumbweed
small crumbweed (Dysphania pumilio) – 24 photos
Crupina
Crust
bleeding conifer crust (Stereum sanguinolentum cf.) – 1 photo
hairy curtain crust (Stereum hirsutum) – 14 photos
netted crust (Meruliopsis corium) – 1 photo
wrinkled crust (Phlebia radiata) – 1 photo
Cryptantha
beaked cryptantha (Cryptantha rostellata) – 10 photos
common cryptantha (Cryptantha affinis) – 15 photos
common cryptantha (Cryptantha intermedia) – 23 photos
cryptantha (Cryptantha) – 1 photo
cushion cryptantha (Greeneocharis circumscissa) – 41 photos
desert cryptantha (Cryptantha scoparia) – 4 photos
Fendler's cryptantha (Cryptantha fendleri) – 17 photos
flaccid cryptantha (Cryptantha flaccida) – 21 photos
Henderson's common cryptantha (Cryptantha intermedia var. hendersonii) – 2 photos
matted cryptantha (Greeneocharis circumscissa) – 41 photos
narrow-stem cryptantha (Cryptantha gracilis) – 3 photos
obscure cryptantha (Cryptantha ambigua) – 23 photos
pine woods cryptantha (Cryptantha simulans) – 19 photos
slender cryptantha (Cryptantha affinis) – 15 photos
slender cryptantha (Cryptantha gracilis) – 3 photos
Torrey's cryptantha (Cryptantha torreyana) – 35 photos
Torrey's cryptantha (Cryptantha torreyana var. torreyana) – 2 photos
Watson's cryptantha (Cryptantha watsonii) – 15 photos
wilke's cryptantha (Cryptantha ambigua) – 23 photos
wingnut cryptantha (Cryptantha pterocarya) – 42 photos
wingnut cryptantha (Cryptantha pterocarya var. pterocarya) – 2 photos
Cuckooflower
cuckooflower (Cardamine pratensis) – 9 photos
Cucumber
wild cucumber (Echinocystis lobata) – 4 photos
Cudonia
common Cudonia (Cudonia circinans) – 2 photos
mountain-loving Cudonia (Pachycudonia monticola) – 1 photo
Cudweed
California cudweed (Pseudognaphalium californicum) – 12 photos
cotton batting cudweed (Pseudognaphalium stramineum) – 28 photos
lowland cudweed (Gnaphalium palustre) – 48 photos
marsh cudweed (Gnaphalium uliginosum) – 30 photos
purple cudweed (Gamochaeta ustulata) – 13 photos
slender cudweed (Pseudognaphalium thermale) – 39 photos
spoon-leaf cudweed (Gamochaeta ustulata) – 13 photos
sticky cudweed (Pseudognaphalium macounii) – 28 photos
weedy cudweed (Pseudognaphalium luteoalbum) – 13 photos
western marsh cudweed (Gnaphalium palustre) – 48 photos
winded cudweed (Pseudognaphalium macounii) – 28 photos
Cuneaire
Sagittaria cuneaire (Sagittaria cuneata) – 23 photos
Cup
barnyard cup (Peziza vesiculosa) – 9 photos
bladder cup (Peziza vesiculosa) – 9 photos
blistered cup (Peziza vesiculosa) – 9 photos
blue-staining cup (Caloscypha fulgens) – 15 photos
brown clustered ear cup (Otidea alutacea) – 2 photos
brown-haired white cup (Humaria hemisphaerica) – 3 photos
burn site ochre cup (Anthracobia melaloma) – 1 photo
cellar cup (Peziza domiciliana) – 2 photos
common dung cup (Peziza vesiculosa) – 9 photos
crustlike cup (Rhizina undulata) – 2 photos
dazzling cup (Caloscypha fulgens) – 15 photos
dwarf acorn cup (Geopyxis carbonaria) – 6 photos
eyelash cup (Scutellinia scutellata) – 13 photos
eyelash dung cup (Cheilymenia fimicola) – 7 photos
eyelash pixie cup (Scutellinia scutellata) – 13 photos
fairy's loving cup (Craterellus cornucopioides) – 1 photo
false eyelash cup (Melastiza chateri) – 2 photos
giant gel cup (Urnula padeniana (Sarcosoma mexicanum)) – 4 photos
glazed cup (Humaria hemisphaerica) – 3 photos
hairy black cup (Pseudoplectania nigrella) – 4 photos
hairy fairy cup (Humaria hemisphaerica) – 3 photos
long-stalked gray cup (Helvella macropus) – 1 photo
minute lemon cup (Bisporella citrina) – 7 photos
queen's cup (Clintonia uniflora) – 68 photos
red-brown cup (Peziza badia) – 2 photos
ribbed-stalked cup (Helvella acetabulum) – 3 photos
rooting fairy cup (Rhizina undulata) – 2 photos
scarlet cup (Sarcoscypha coccinea) – 4 photos
small dung cup (Peziza vesiculosa) – 9 photos
smooth fairy cup (Plicaria endocarpoides) – 8 photos
stalked bonfire cup (Geopyxis carbonaria) – 6 photos
stalked hairy fairy cup (Lachnum virgineum) – 2 photos
vinegar cup (Helvella acetabulum) – 3 photos
violet cup (Peziza sublilacina (violacea)) – 6 photos
violet star cup (Sarcosphaera coronaria) – 7 photos
vulcan pixie cup (Geopyxis vulcanalis) – 3 photos
white-footed elfin cup (Helvella leucomelaena) – 10 photos
Cups
green cups (Chlorociboria aeruginascens) – 7 photos
splash cups (Cyathus striatus) – 5 photos
yellow fairy cups (Bisporella citrina) – 7 photos
Currant
alpine prickly currant (Ribes montigenum) – 17 photos
American red currant (Ribes triste) – 11 photos
blood currant (Ribes sanguineum) – 63 photos
blood currant (Ribes sanguineum var. sanguineum) – 16 photos
California black currant (Ribes bracteosum) – 38 photos
golden currant (Ribes aureum) – 55 photos
golden currant (Ribes aureum var. aureum) – 18 photos
Hall's sticky currant (Ribes viscosissimum) – 80 photos
Hudson Bay currant (Ribes hudsonianum) – 42 photos
maple-leaf currant (Ribes acerifolium) – 17 photos
mountain currant (Ribes viscosissimum) – 80 photos
northern black currant (Ribes hudsonianum) – 42 photos
northern red currant (Ribes rubrum) – 18 photos
red currant (Ribes sanguineum) – 63 photos
red currant (Ribes sanguineum var. sanguineum) – 16 photos
red flowering currant (Ribes sanguineum) – 63 photos
red flowering currant (Ribes sanguineum var. sanguineum) – 16 photos
sticky currant (Ribes viscosissimum) – 160 photos
stink currant (Ribes bracteosum) – 38 photos
swamp currant (Ribes lacustre) – 75 photos
swamp red currant (Ribes triste) – 11 photos
trailing black currant (Ribes laxiflorum) – 31 photos
wax currant (Ribes cereum) – 40 photos
wax currant (Ribes cereum var. cereum) – 55 photos
wax currant (Ribes cereum var. colubrinum) – 5 photos
western black currant (Ribes hudsonianum) – 42 photos
wild red currant (Ribes triste) – 11 photos
Winaha currant (Ribes wolfii) – 10 photos
Wolf's currant (Ribes wolfii) – 10 photos
Cut-leaf
Columbia cut-leaf (Hymenopappus filifolius) – 9 photos
Cutgrass
rice cutgrass (Leersia oryzoides) – 21 photos
Cutleaf
Columbia cutleaf (Hymenopappus filifolius var. filifolius) – 17 photos
Cyans
Cyclamen
ivy-leaf cyclamen (Cyclamen hederifolium) – 11 photos
Cyperus
shining cyperus (Cyperus bipartitus) – 8 photos
Cypress
mock cypress (Bassia scoparia) – 59 photos
summer cypress (Bassia scoparia) – 59 photos
Cystoderma
conifer Cystoderma (Cystoderma fallax) – 8 photos
pure Cystoderma (Cystoderma amianthinum) – 8 photos
unspotted Cystoderma (Cystoderma amianthinum) – 8 photos
vermilion Cystoderma (Cystodermella cinnabarina) – 1 photo
