... Asplenium species are morphologically a remarkably distinct group of Aspleniaceae . Except for two preliminary chromo- some counts of Asplenium theciferum , the cytology of this group of species has , however , been largely unstudied ...
... Asplenium theciferum , Mett . Kuhn , Fil . Afr . 117 . Loxoscaphe concinnum , and theciferum , Moore . South America , Africa , and African Islands . This is very like Asplenium rutæfolium in habit , habitat , cutting , and texture ...