Name requested: Pythium irregulare

	Mycologia 24 (1): 19, 26, 32, 37, 42, 59, 60. 38 (1): 106. 40 (1): 99. 41 (2): 171. 41 (4): 370. 42 (1): 23. 43 (2): 149. 44 (4): 545, 549. 49 (3): 362. 57 (3): 417. 59 (5): 870, 871, 872, 873, 874, 875, 876, 877. 59 (6): 943, 944, 945, 946, 947, 948, 949, 950, 951, 952. 60 (5): 1112. 60 (6): 1244, 1245. 61 (2): 387. 61 (5): 967, 968, 969, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979, 980. 61 (6): 1097, 1104. 63 (1): 31, 32, 33, 34, 35, 36, 37. 63 (2): 286, 287, 288. 66 (4): 682, 683. 66 (6): 1051. 67 (4): 702, 704, 705. 70 (4): 880, 881, 882, 883. 75 (3): 413, 414. 83 (5): 657, 658, 659, 660, 661.
	Mycology and Phytopathology [as Микология и Фитопатология] 2 (5): 421. 7 (6): 494. 8 (3): 194, 196. 8 (4): 339, 340.
	Mycotaxon 24: 412. 74 (1): 84.
	Sydowia 20 (1-6): 232. 41: 156.
	Transactions of the Mycological Society of Japan 30 (4): 429.

Heterotypic synonym: Pythium fabae

Sydowia 20 (1-6): 231.

Heterotypic synonym: Pythium polymorphon

	Mycologia 24 (1): 26, 32, 35, 37, 43, 52, 59, 60. 59 (5): 870, 871, 872, 873, 874, 875, 876, 877. 59 (6): 950. 61 (5): 975.
	Mycology and Phytopathology [as Микология и Фитопатология] 2 (5): 421.