blood rain
Appearance
English
[edit]Noun
[edit]blood rain (countable and uncountable, plural blood rains)
- Rain coloured red due to the presence of spores of the microalga of species Trentepohlia annulata
References
[edit]blood rain on Wikipedia.Wikipedia
Trentepohlia (Trentepohliaceae) on Wikispecies.Wikispecies