Abstract: OBJECTIVE To correct the origins of legal medicinal plants from fungi and algae, which have problem due to the change of classification system, identification and mergence of taxonomical group on species grade, confusion of Chinese names. METHODS Chinese crude drug standards of state, various provinces and autonomous regions were searched. Books about spore plants were also retrieved. Origins with problem were studied from classification system, species identification. RESULTS In Chinese crude drug standards of state and various provinces and autonomous regions, there were 52 species belong to 17 families from fungi and algae, including 34 species with no problem, 8 species with troubles due to the change of classification system, 2 species with troubles about taxonomic on species grade or identificaition, 8 species with confusion of Chinese names. CONCLUSION Although problem about origins of legal medicinal plants of fungi and algae existed, all of them can be solved through our study.