Fungi of Colorado
The fungi most often spotted in Colorado, ranked by recent research-grade observations.
Most-observed fungi in Colorado
Fly Agaric
Amanita muscaria
2,847 observations · iNaturalist
Ruby Porcini
Boletus rubriceps
869 observations · iNaturalist
Shaggy Mane
Coprinus comatus
686 observations · iNaturalist
Elegant Sunburst Lichen
Rusavskia elegans
533 observations · iNaturalist
dune stinkhorn
Phallus hadriani
529 observations · iNaturalist
mica cap
Coprinellus micaceus
391 observations · iNaturalist
Dryad's Saddle
Cerioporus squamosus
370 observations · iNaturalist
aspen bolete
Leccinum insigne
367 observations · iNaturalist
Frosted Rock Tripe
Umbilicaria americana
319 observations · iNaturalist
shingled hedgehog
Sarcodon imbricatus
313 observations · iNaturalist
Conifer Mazegill
Gloeophyllum sepiarium
292 observations · iNaturalist
Schrenk's Red-Belt Conk
Fomitopsis schrenkii
278 observations · iNaturalist
Orange Rock Posy
Rhizoplaca chrysoleuca
272 observations · iNaturalist
Stonewall Rim Lichen
Protoparmeliopsis muralis
206 observations · iNaturalist
Powdered Sunshine Lichen
Vulpicida pinastri
203 observations · iNaturalist
Shaggy Parasol
Chlorophyllum rhacodes
200 observations · iNaturalist
Western Giant Puffball
Calvatia booniana
188 observations · iNaturalist
Aspen Bracket
Phellinus tremulae
184 observations · iNaturalist
gold cobblestone lichen
Pleopsidium flavum
173 observations · iNaturalist
Desert Firedot Lichen
Xanthomendoza trachyphylla
173 observations · iNaturalist
common puffball
Lycoperdon perlatum
168 observations · iNaturalist
Spring Orange Peel Fungus
Caloscypha fulgens
163 observations · iNaturalist
Veiled Polypore
Cryptoporus volvatus
162 observations · iNaturalist
Rainbow Chanterelle
Cantharellus roseocanus
162 observations · iNaturalist
common stinkhorn
Phallus impudicus
157 observations · iNaturalist
fairy ring marasmius
Marasmius oreades
154 observations · iNaturalist
black knot
Apiosporina morbosa
151 observations · iNaturalist
Bristly Beard Lichen
Usnea hirta
149 observations · iNaturalist
Western Painted Suillus
Suillus lakei
139 observations · iNaturalist
Hooded Sunburst Lichen
Xanthomendoza fallax
137 observations · iNaturalist
alpine jelly cone
Guepiniopsis alpina
134 observations · iNaturalist
yellow map lichen
Rhizocarpon geographicum
131 observations · iNaturalist
Purple Spindles
Alloclavaria purpurea
128 observations · iNaturalist
Orange Sponge Polypore
Pycnoporellus alboluteus
126 observations · iNaturalist
aspen oyster mushroom
Pleurotus populinus
121 observations · iNaturalist
Jelly Tree Ear
Auricularia americana
120 observations · iNaturalist
shaggy scalycap
Pholiota squarrosa
114 observations · iNaturalist
Salt-loving Agaricus
Agaricus bernardii
110 observations · iNaturalist
Cedar-apple rust
Gymnosporangium juniperi-virginianae
109 observations · iNaturalist
Barrow's Bolete
Boletus barrowsii
109 observations · iNaturalist
Sagebrush Rim-lichen
Protoparmeliopsis garovaglii
103 observations · iNaturalist
Spring Polypore
Lentinus arcularius
102 observations · iNaturalist
Golden Moonglow Lichen
Dimelaena oreina
101 observations · iNaturalist
Mustard Flower Rust
Puccinia monoica
98 observations · iNaturalist
Giant Sawgill
Neolentinus ponderosus
95 observations · iNaturalist
Flammulina populicola
Flammulina populicola
85 observations · iNaturalist
Orange Jelly Spot
Dacrymyces chrysospermus
83 observations · iNaturalist
tongues of fire
Gymnosporangium clavariiforme
82 observations · iNaturalist
Red Tree Brain Fungus
Peniophora rufa
80 observations · iNaturalist
Pale Brittlestem
Candolleomyces candolleanus
79 observations · iNaturalist