adiposus
Adipose, fat
admirabilis
Admirable, marvelous
adnata
Adnate
adnatifolia
Adnate gills
adonis
Adonis, a beautiful youth (a prince of Cyprus)
adspersum
Scattered
adulterina
Not genuine
adusta, adustum, adustus
Scorched (staining reddish, then smoky brown)
aegerita
Black poplar of Europe
aeneum
Bronze-colored
aereus
Bronze-colored, copper
aeruginascens
Becoming green or greenish-blue
aeruginea, aerugineus
Verdigris (dull greenish)
aeruginosa, aeruginosum
Blue green or deep green
aeruginosus
Blue green or deep green
aerumbonatus
Without umbo
aestivalis
Pertaining to summer
aestivum, aestivus
Of summer
aestuans
Burning or glowing
aethiops
Black
aetites
Dark grey-brown
affine, affinis
Related
affinis var viridilactis
Related; greenish milk
affinis var. maculosus
Related; spotted
agardhii
Carl Adolph Agardh, (1785-1859), Swedish botanist
agaricoides
Looking like a gilled mushroom
Agaricus
Of the country, Greek name for fungi
agathosmus
Pleasant smelling (almond extract)
agglutinata, agglutinatus
Adhere or unite with glue
aggregatum, aggregatus
Clustered, caespitose
agraria
Pertaining to field
Agrocybe
Fieldhead or fieldcap, common in cultivated regions
aianthina
Without violet tints
alabamensis
Alabama state
alachuanus
Alachua County, Florida
alaskanum
Alaskan
alba, albatum
White
Albatrellus
From the names of Italian fungi, albarello and arbatrello
albella, albellum, albellus
Whitish
albicastaneus
White chestnut color