Tom Volk's Fungi. http://botit.botany.wisc.edu/toms_fungi/
A good site about foraging for Wild foods. Including plants and Mushrooms. http://foragingpictures.com/
Mushroom Observations by users of the site. A very cool site for current findings and information. http://mushroomobserver.org
Pikes Peak Mycological Society http://pikespeakmyc.org/
David Fischer's American Mushrooms. http://www.americanmushrooms.com
The Colorado Mycological Society Web Site. A good source of information about Mushrooms of Colorado and local information. http://www.cmsweb.org
Information on Native Colorado Plants and Identification. http://www.coloradoplants.org
Mushroom World http://www.mushroom.world
A great web site on all types of mushrooms with lots of information about collecting and much more. http://www.mushroomexpert.com
A site about Mushrooms of California by Michael Wood. Another great source of information. http://www.mykoweb.com
Species Fungorum http://www.speciesfungorum.org/names/Names.asp
A Web site about wild foods as well as mushrooms. Great information about Edible Mushrooms. http://www.wildmanstevebrill.com
Colorado Mycoflora Project https://coloradomycoflora.org/
Fungal Diversity Survey (FunDIS) https://fundis.org
North American Mycological Association Promoting, pursuing and advancing mycology https://namyco.org/
iNaturalist https://www.inaturalist.org/