Concepedia
Kew Bulletin · 1990 · 209 citations · 0 references
Life SciencesBotanyPlant SciencesBryologyPlant EcologyPlant TaxonomyFern SystematicsFern TaxonomyFossil GymnospermsGymnosperm SystematicsPteridophyte SystematicsPteridophyte FlorasPteridophyte NomenclaturePteridosperm Floras