Drought-tolerant perennials are intensively sought-after plants for decorative purposes. Perennial ferns cold-hardy cultivars that great shady to partially shaded areas of the garden, but their response drought stress is unknown. In this study, we examined how reduced watering altered growth Athyrium niponicum ‘Red Beauty’, Cyrtomium fortunei ‘Clivicola’, Dryopteris atrata, erythrosora, Dryoper...

In this research, five species of the genus Polystichum, belonging to Dryopteridaceae, namely, P. lonchitis, P. woronowii, P. setiferum, P. braunii and P. aculeatum, were collected from Gilan and Mazandaran Provinces and studied micro-morphologically. In order to compare the spores, their morphology and their ornamentation was studied. The spores each were picked from sporangia and each sample ...