aberrans
Wandering from the way, aberrant, not typical
abiegna
Related to fir
abieticola
Fir dwelling
abietina, abietinum, abietinus, abietis
Related to fir (Abies)
abietum
Of the fir tree
abjecta
Mean, in the sense of small
Abortiporus
Aborted pores
abortivum, abortivus
Abortive, missing or deformed parts
abramsii
Leroy Abrams (1874-1956) American botanist
abrupta
Abrupt swollen base
abruptibulbus
Abrupt swollen base
abruptus
Abrupt swollen base
Abstoma
Without a mouth
abstrusa
Hidden
abundans
Refers to habit of fruiting in abundance
acadiensis
Growing in Acadia
acanthocystis
With thorny, prickly cystidia
acanthoides
Pertaining to or resembling the acanthus
acerbum, acerbus
Bitter
acericola
Growing on maple
acerinum
Pertaining to maple
acerosus
Very acrid, very sharp
acerrimus
Very acrid
acervata, acervatus, acervus
In clusters, heaped up
Acetabula, acetabulum
Like a vinegar cup
achimenes
An amber colored plant
acia
Thread, yarn
acicula
Bristle, needle, splinter (very tiny mushroom)
acidus
Acid taste
acre
Acrid
acrifolia
Sharp leaves (gills)
acris
Sharp
acrisiccescens
Becoming acrid and dry (bitter when cooked)
acuminatum, acuminatus
Tapered to a narrow point
acuta, acutus
Pointed, acute
acutesquamosa, acutesquamosus
Sharp scales
acutoconica, acutoconicus
Sharply conic
acutus
Sharp-acute umbo
adaequata
Sufficient
adhaerens
Adherent, attached
adiposa
Fatty