The Haemoproteidae and the Plasmodiidae both produce pigment.
2.
Blood parasites " Leucocytozoon " of the family Plasmodiidae have been noted in the lung tissues.
3.
"Plasmodium " is a member of the family Plasmodiidae, order Haemosporidia and phylum Apicomplexa which, along with dinoflagellates and ciliates, make up the taxonomic group Alveolata.
4.
Since the parasite family of " Plasmodiidae " which includes the malaria pathogen can be stained with methylene blue, he thought it could possibly be used in the treatment of malaria.