armillatus
Bands of veil remnants on the stalk, having a bracelet
arorae
David Arora, American mycologist
arquatus
Arched
Arrhenia, arrhenii
Pertaining to male
arrhizus
Without a root
artesiana
Water flows up like a faucet (possibly referring to its shape)
arvalis
Of the fields
arvensis
Growing in fields
arvernense, arvernensis
The Arverne region in France
arvinaceus
Greasy
Ascobolus
Bladder thrower
Ascocoryne
Club bladder
Ascotremella
Trembling bladder
asema
Without sign
aseroe
Disgusting
aseroiformis
Formed disgustingly
asper, aspera
Rough
asperula
Slightly rough
aspidelllus
Small shield
aspideoides
Resembling aspideus
aspideus
Like a rough shield
asprata
Richly gilded
asprella
Somewhat rough
assimilata
From assimilate
Asterophora
Bearing stars, star spore
asterophora, asterophorus
Star bearer
asterophoroides
Resembling asterophorus
asterospernum
Star seed
asterospora, asterosporus
Star spores
astraeicola
Living on Astraeus
Astraeus
Pertaining to a star
astragalina, astragalinus
Pertaining to a gold-finch
ater
Black
atkinsoniana, atkinsonianus
George Francis Atkinson (1854-1918), American mycologist
atkinsonii
George Francis Atkinson (1854-1918), American mycologist
atlanticus
Pertaining to the Titan Atlas
atomata
Sprinkled with particles
atra
Black
atramentarius
Inky
atramentosis
Inky condition