Syntypistis ambigua was created in 2001.
Gyromitra ambigua was created in 1881.
Cryptantha ambigua was created in 1885.
Mitromorpha ambigua was created in 2009.
Stropharia ambigua was created in 1898.
Syntypistis pryeri was created in 1889.
Syntypistis parcevirens was created in 1929.
Syntypistis defector was created in 1997.
Syntypistis nigribasalis was created in 1910.
Syntypistis perdix was created in 1879.
Syntypistis witoldi was created in 1997.
Syntypistis viridipicta was created in 1910.
Syntypistis umbrosa was created in 1927.