Description: Microscopic unicellular algae, spherical, oval or irregular in shape growing endophytically.

Habitat: Endophytic in the filaments of green and blue-green algae. Littoral and in salt marshes.

Distribution: Britain: from the Shetlands to Co. Cornwall and in Ireland Co. Cork. Europe: Mediterranean. Atlantic coast of North America: Massachusetts. Further afield: Bavaria and Paraguay.

Distribution Map from NBN: Chlorochytrium facciolaae at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Chlorochytrium facciolaae at iNaturalist World Species Observations database.

WoRMS: Chlorochytrium facciolaae at World Register of Marine Species.