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Abstract Lycopodiophyta—consisting of three orders, Lycopodiales, Isoetales and Selaginellales, with different types of shoot… Expand Abstract In this paper, I describe five new species of Selaginella from Brazil (Selaginella nanuzae, Selaginella neospringiana… Expand Green tissues of spikemoss Selaginella martensii Spring possessed the complex oxylipins patterns. Major oxylipins were the… Expand Selaginella boomii is described as a new species and compared to the similar S. roraimensis. The new species is widely… Expand Based on study of the lectotype of Cephaloceraton gymnocarpum Gennari, megaspore ornamentation, and chromosome number analysis of… Expand Light reduction and increased organic matter load often occur together in lakes undergoing eutrophication. We aimed at… Expand Resumen es: Se presenta una revision de las Lycopodiaceae de Argentina y Uruguay basada en el estudio de las colecciones… Expand Xyloglucan endotransglycosylase/hydrolases (XTHs) are enzymes that cleave and rejoin xyloglucan chains. To trace the evolutionary… Expand Pteridophytes represent the most poorly understood group of vascular plants from a phylogenetic perspective (Stewart and Rothwell… Expand