Name requested: Harknessia affinisSydowia 4 (1-6): 403. 24 (1-6): 254.
Homotypic synonym: Mastigonetron affineSydowia 4 (1-6): 403, 405. 7 (1-4): 115. 24 (1-6): 254.
Heterotypic synonym: Cryptosporella beltsvillensisSydowia 4 (1-6): 406, 408. 24 (1-6): 254.
Heterotypic synonym: Monochaetia liquidambarisSydowia 24 (1-6): 253.
Heterotypic synonym: Seiridium liquidambarisSydowia 24 (1-6): 253.