Browsing by Author "Nagalingum, NS"
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Assessing phylogenetic relationships in extant heterosporous ferns (Salviniales), with a focus on Pilularia and Salvinia
Nagalingum, NS; Nowak, MD; Pryer, KM (Botanical Journal of the Linnean Society, 2008-08-01)Heterosporous ferns (Salviniales) are a group of approximately 70 species that produce two types of spores (megaspores and microspores). Earlier broad-scale phylogenetic studies on the order typically focused on one or, ... -
Comparative morphology of reproductive structures in heterosporous water ferns and a reevaluation of the sporocarp
Nagalingum, NS; Schneider, H; Pryer, KM (International Journal of Plant Sciences, 2006-07-01)Heterosporous water ferns (Marsileaceae and Salviniaceae) are the only extant group of plants to have evolved heterospory since the Paleozoic. These ferns possess unusual reproductive structures traditionally termed "sporocarps." ... -
Molecular phylogenetic relationships and morphological evolution in the heterosporous fern genus Marsilea
Nagalingum, NS; Schneider, H; Pryer, KM (Systematic Botany, 2007-01-01)Using six plastid regions, we present a phylogeny for 26 species of the heterosporous fern genus Marsilea. Two well-supported groups within Marsilea are identified. Group I includes two subgroups, and is relatively species-poor. ...