As nouns the difference between tetraspore and nemathecium
is that tetraspore is any of the four, asexual spores produced by a sporangium while nemathecium is a kind of fructification on certain red algae, consisting of an external mass of filaments that separate into tetraspores.
tetraspore
English
Noun
(
en noun)
(biology) Any of the four, asexual spores produced by a sporangium
nemathecium
English
Noun
(
nemathecia)
(botany) A kind of fructification on certain red algae, consisting of an external mass of filaments that separate into tetraspores.
(
Webster 1913)