''Pythium mastophorum'' is a

plant pathogen Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like orga ...

infecting pocketbook plants ('' Calceolaria crenatiflora'').

References

External links

Index Fungorum

USDA ARS Fungal Database
Water mould plant pathogens and diseases mastophorum Species described in 1930 Oomycete species Protists described in 1930 {{plant-disease-stub