blood rain

== English == === Noun === blood rain (countable and uncountable, plural blood rains) Rain coloured red due to the presence of spores of the microalga of species Trentepohlia annulata Synonyms: red dust, red rain === References === blood rain on Wikipedia.Wikipedia Trentepohlia (Trentepohliaceae) on Wikispecies.Wikispecies === Anagrams === Bardolino