Id%Version%Standard form%Default author forename%Default author surname%Taxon groups%Dates%Alternative names 9990-1%1.1.1.1%A.Spreng.%Anton%Sprengel%Algae, Fossils, Pteridophytes%1803-1851% 9991-1%1.1.1.1%C.K.Spreng.%Christian Konrad (Conrad)%Sprengel%Spermatophytes%1750-1816% 9992-1%1.1.2.1.4.1%Spreng.%Curt (Kurt, Curtius) Polycarp Joachim%Sprengel%Mycology, Bryophytes, Pteridophytes, Spermatophytes, Algae%1766-1833%