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Survey of oviducal gland structure and function in elasmobranchs
TLDR
A comparative survey of the structure and function of oviducal glands of selected elasmobranch fish with differing modes of reproduction using light and scanning electron microscopy finds that the capsule-producing OG the authors studied seems to use the same basic assembly process to produce tough, flexible, and selectively permeable egg capsules, candles, or egg envelopes.
A global phylogeny of the fern genus Tectaria (Tectariaceae: Polypodiales) based on plastid and nuclear markers identifies major evolutionary lineages and suggests repeated evolution of free venation
TLDR
Free venation in Tectaria is inferred to be repeatedly derived from anastomosing venation, an evolutionary phenomenon not documented previously in vascular plants in a phylogenetic context based on both plastid and nuclear evidence.
A plastid phylogeny of the Old World fern genus Leptochilus (Polypodiaceae): Implications for cryptic speciation and progressive colonization from lower to higher latitudes.
TLDR
A basal grade formed by three major clades is recovered and they are composed of species almost exclusively distributed at lower latitudes (the Malay Archipelago), whereas the shallow-level clades contain species distributed at mainly higher latitudes, suggesting that Leptochilus might have evolved atLower latitudes and progressively dispersed to and colonized higher latitude.
New or Little Known Epiphyllous Liverworts, XVIII. Records from The Bidoup-Núi Bà National Park, Vietnam, with the Description of Drepanolejeunea bidoupensis, sp. nov.
TLDR
Three epiphylls collected in recent surveys of bryophytes in Bidoup-Núi Bă National Park, Central Vietnam proved to be new to Vietnam while one, Drepanolejeunea (Rhaphidolejeunesa) bidoupensis is described, as new to science.
A plastid phylogeny and character evolution of the Old World fern genus Pyrrosia (Polypodiaceae) with the description of a new genus: Hovenkampia (Polypodiaceae).
The Old World fern genus Pyrrosia (Polypodiaceae) offers a rare system in ferns to study morphological evolution because almost all species of this genus are well studied for their morphology,
New records for the liverwort and hornwort flora of Vietnam, 1
After the examination of the Cryptogam collection in the Herbarium of the University of Science, Vietnam National University Ho Chi Minh City (PHH), 25 species proved to be new to Vietnam, including
A global plastid phylogeny uncovers extensive cryptic speciation in the fern genus Hymenasplenium (Aspleniaceae).
The fern genus Hymenasplenium (Aspleniaceae) is one of the two genera in the family. It is generally recognized among modern pteridologists. However, its infrageneric relationships and species
Nine new species of Hymenasplenium (Aspleniaceae) from Asia
TLDR
Nine new species of Hymenasplenium (Aspleniaceae) from Asia are here described based on both morphology and recent molecular phylogenetics of the genus, well supported as distinct lineages based on molecular data.
Additional new and noteworthy moss (Bryophyta) records from Vietnam and Laos
This study of recent collections of mosses in Vietnam and Laos yield, 10 new records for Indochina, 15 new records for Vietnam, 2 new records for Laos, and 5 other noteworthy records, including
Revision of the fern genus Orthiopteris (Saccolomataceae) in Malesia and adjacent regions
Abstract A taxonomic revision of the Old-World representatives of the fern genus Orthiopteris is presented. We recognize eight species, one of which is newly described (Orthiopteris samoensis), and
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