adenovirus
aerobe
aerobic bacteria
agaric
amoeba
amphibian
anaerobe
anaerobic bacteria
angiosperm
annual
aquatic plant
bacillus
bacteria
bacterium
benign tumor
biennial
blast
blight
bread mold
bug
bullfist
bunt
callosity
callus
cancer
canker
carcinoma
champignon
coccus
corn
cosmopolite
cutting
cyst
deciduous plant
dicot
dicotyledon
disease-producing microorganism
dry rot
echovirus
enterovirus
ephemeral
ergot
evergreen
excrescence
exotic
filterable virus
flowering plant
fungosity
fuzz ball
gametophyte
fungi
ascomycete
basidiomycete
mushroom
toadstool
yeast
fungous
algae
beetle
berry
insect
lichen
microbe
microorganisms
mold
moss
orchid
parasite
rot
seaweed
vegetable
vegetation
vine
virus
weed
worm