Name requested: Pythium aphanidermatum

	Mycologia 15 (4): 168. 23 (4): 254, 284. 27 (3): 242. 38 (1): 106. 41 (2): 171. 50 (5): 597, 615. 51 (3): 437. 52 (3): 378, 379, 380, 527. 54 (6): 640, 641, 642, 643, 644, 645. 57 (1): 36, 37, 38, 39, 40, 41, 42. 58 (2): 307, 308, 309, 310, 311, 312. 59 (5): 871, 873. 59 (6): 945, 946. 60 (6): 1244. 61 (3): 471. 64 (3): 638. 65 (3): 582. 66 (3): 515. 66 (4): 682, 683. 66 (5): 803, 843. 67 (2): 363, 364. 67 (3): 644. 68 (1): 105. 69 (6): 1212. 70 (4): 880, 881, 882, 883. 70 (5): 1123. 70 (6): 1283. 75 (3): 413, 415, 420. 76 (1): 93. 76 (5): 924, 933, 934. 81 (4): 545. 83 (4): 530. 85 (5): 741.
	Mycology and Phytopathology [as Микология и Фитопатология] 7 (3): 251. 7 (6): 494. 8 (3): 194, 195, 196, 197, 198, 199, 200.
	Mycotaxon 24: 412.
	Sydowia 9 (1-6): 451, 452, 453. 14 (1-6): 9, 10, 16. 23 (1-6): 207. 37: 210.
	Transactions of the Mycological Society of Japan 22 (4): 400, 402, 403, 404. 24 (1): 15, 16, 17, 18, 19, 20, 21, 22, 23. 25 (2): 173, 174, 175, 178. 27 (1): 48.

Homotypic synonym: Rheosporangium aphanidermatum

Sydowia 9 (1-6): 451.

Homotypic synonym: Nematosporangium aphanidermatum

	Mycologia 15 (4): 168. 23 (4): 259, 262, 264, 269, 271, 284, 285.
	Sydowia 9 (1-6): 451.

Heterotypic synonym: Pythium butleri

	Mycologia 15 (4): 167, 168. 23 (4): 286. 29 (4): 510, 538. 30 (2): 144. 31 (2): 125. 35 (3): 354. 37 (1): 24. 41 (6): 636. 49 (3): 360, 362, 365, 369. 52 (4): 596. 62 (3): 531.
	Mycology and Phytopathology [as Микология и Фитопатология] 7 (3): 251. 8 (3): 194.
	Sydowia 4 (1-6): 415. 9 (1-6): 451, 452, 453, 454, 455, 457, 460, 461, 462. 14 (1-6): 4, 5, 6, 7, 16, 110. 15 (1-6): 93, 95.

Heterotypic synonym: Nematosporangium butleri

	Mycologia 23 (4): 259, 262, 264, 269, 271, 286, 288.
	Sydowia 14 (1-6): 6.