Syntypistis ambigua was created in 2001.
Cryptantha ambigua was created in 1885.
Gyromitra ambigua was created in 1881.
Mitromorpha ambigua was created in 2009.
Stropharia ambigua was created in 1898.
Syntypistis fasciata was created in 1879.
Syntypistis hercules was created in 1997.
Syntypistis witoldi was created in 1997.
Syntypistis umbrosa was created in 1927.
Syntypistis victor was created in 2001.
Syntypistis subgeneris was created in 1915.
Syntypistis pryeri was created in 1889.
Syntypistis parcevirens was created in 1929.