As nouns the difference between microspore and macrospore
is that microspore is smaller of the two spores produced by plants, compare megaspore while macrospore is one of the specially large spores of certain flowerless plants, as Selaginella, etc.
microspore
English
Noun
(
en noun)
(botany) Smaller of the two spores produced by plants, compare megaspore.
References
* OED2
Anagrams
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macrospore
English
Noun
(
en noun)
One of the specially large spores of certain flowerless plants, as Selaginella, etc.