Vegetation heterosporous; rhizomes extended-creeping, slender, glabrous or hairy; leaves with 2 or four leaflets with the petiole suggestion or missing a blade completely, the venation of leaflets dichotomously branching; sori enclosed in stalked bean-formed sporocarps (highly modified leaves), these quite advanced internally, Just about every containing both equally megasporangia and https://andersonrkvbj.wikitron.com/1704430/the_ballon_arch_diaries