Haplopteris Owariensis
''Haplopteris'' is a genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ... of vittarioid ferns, a member of subfamily Vittarioideae and family (biology), family Pteridaceae. Description Like other vittarioids, the members of ''Haplopteris'' are epiphytes. The rhizome has a distinct upper and lower side, lacking radial symmetry, a characteristic that separates it from ''Radiovittaria''. Leaves are borne in two ranks in a single plane, and are usually simple, occasionally forked. The leaves have a distinct costa (botany), costa (midrib). Most species have netlike leaf veins which form two rows of areolae (the "gaps" in the net) on either side of the midline; two species bear a single leaf vein only. The linear sorus, sori, in most species, are confined to a commissural vein (paral ...
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Carl Borivoj Presl
Carl Borivoj Presl ( cs, Karel Bořivoj Presl; 17 February 1794 – 2 October 1852) was a Czech botanist. Biography Presl lived his entire life in Prague, and was a professor of botany at the University of Prague (1833–52).BHL
Taxonomic literature : a selective guide to botanical publications He made an expedition to in 1817, and with his brother, published a "Flora bohemica" titled "''Flora čechica: indicatis medicinalibus, oeconomicis technologicisque plantis''" in 1819. His older brother was also a noted botanist; the journal ''
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