Name requested: Pythium rostratumMycologia 24 (1): 16. 24 (6): 504, 505. 51 (3): 437. 57 (3): 417, 423. 61 (3): 505. 61 (5): 975. 63 (3): 518, 521, 523, 525, 529, 530, 531. Mycology and Phytopathology [as Микология и Фитопатология] 8 (3): 194. Sydowia 37: 217.
Heterotypic synonym: Pythium diamesonMycologia 24 (1): 16, 27, 28, 37, 39, 47, 59.