The effect of different concentrations Indole acetic acid (IAA) on spore germination and gametophyte development Ceratopteris thalictroides, a leptosporangiate fern the family Pteridaceae found at marshy places near Sitamata sanctuary in Rajasthan, was observed. highest percentage recorded 2 to 6 ppm concentration range IAA, with minimum 10 concentration. number cells protonemal filament percen...

Abstract. The Pteridaceae is one of the most diverse families ferns, with representatives adapted to habitats ranging from aquatic dry environments. It species-rich family ferns in Brazilian Cerrado, although it still poorly known some areas this domain Maranhão state. Our objective was investigate diversity Cerrado remnants Maranhão. We based our study on morphological an...

The family Pteridaceae in Iraq comprises 6 species belongs5 genera. These occur a diverse range of environments including humid temperate forests, the falls waterfalls and shrub lands. fern was collected from different locations environment geographical habitats during seasons two districts Iraqi Kurdistan. anatomical structure aerial parts were studied. Fronds petiole rachis (midribe) exhibitY...

The Canadian Arctic Archipelago is a vast region of approximately 1,420,000 km(2), with a flora characterized by low species diversity, low endemicity, and little influence by alien species. New records of vascular plant species are documented here based on recent fieldwork on Victoria and Baffin Islands; additional records based on recent literature sources are mentioned. This paper serves as ...