Cryptogamia

noun
Cryp·​to·​ga·​mia | \ ˌkrip-tə-ˈgam-ē-ə How to pronounce Cryptogamia (audio) , -ˈgām- How to pronounce Cryptogamia (audio) \

Medical Definition of Cryptogamia

in former classifications
: a class or subkingdom including all cryptogams — compare phanerogamia