Results 171 to 180 of about 6,167 (196)

The role of ERFVIIs as oxygen-sensing transducers in the evolution of land plant response to hypoxia

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Carbonare LD   +6 more
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Lycophytes, Ferns, and Gymnosperms

2015
This chapter surveys the diversity of living tracheophytes, clarifying the term tracheo. This term refers to the presence of tracheids, and the Greek root part of the word phyte means plant. The chapter also explains how tracheophytes form a well-supported monophyletic group of generally large plants with branched sporophyte axes and well-developed ...
Walter S. Judd   +4 more
openaire   +1 more source

Chemical constituents and biological activities of lycophytes and ferns

Chinese Journal of Natural Medicines, 2019
Lycophytes and ferns are unique and charismatic members of many terrestrial ecosystems and occupy the pivotal position in land plant origin and evolution. The Chinese lycophytes and ferns flora, with approximately 2000 species, contributes a substantial component to the global lycophytes and ferns diversity, with estimates of 12 000 species. Among them,
Qin-Feng, Zhu, Qin-Shi, Zhao
openaire   +2 more sources

Mycorrhizal relationships in Lycophytes and Ferns

2016
Mycorrhizae, i.e., symbiotic associations between fungi and plant roots, occur in about 80% of land plant species and have been shown to benefit both the fungus (carbon uptake) and plant (nutrient and water uptake, protection against pathogenic fungi). We here provide a brief overview of the state of knowledge of mycorrhization in ferns. Only about 62%
Lehnert, Marcus, Kessler, Michael
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Plastomes of Bryophytes, Lycophytes and Ferns

2012
We review current progress in our understanding of chloroplast genomes (plastomes) of liverworts, mosses, hornworts, lycophytes and monilophytes. We briefly cover some of the methods used to obtain complete nucleotide sequences of plastomes and we summarize the published sequences from the plant groups above. We explore some of the evolutionary changes
Paul G. Wolf, Kenneth G. Karol
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Evolutionary Genomics of Ferns and Lycophytes

2016
Abstract Ferns and lycophytes are ubiquitous and charismatic members of many terrestrial ecosystems. Members of these lineages play key ecological roles in many of Earth's biomes and have an ancient fossil record dating back to the Devonian. Modern ferns underwent significant diversification in the Cretaceous, and the clade as a whole occupies a ...
E.B. Sessa, J.P. Der
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A community‐derived classification for extant lycophytes and ferns

Journal of Systematics and Evolution, 2016
AbstractPhylogeny has long informed pteridophyte classification. As our ability to infer evolutionary trees has improved, classifications aimed at recognizing natural groups have become increasingly predictive and stable. Here, we provide a modern, comprehensive classification for lycophytes and ferns, down to the genus level, utilizing a community ...
Schuettpelz, Eric   +98 more
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Persistent ultrastructural features in microspores of heterosporous lycophytes

Grana, 1990
Abstract Ultrastructural analysis of the microspores from the Pennsylvanian lycophyte cone Selaginellites crassicinctus reveals a structural organization which is comparable to modern representatives of Isoetes and Selaginella. The most prominent similarities include the presence of a para-exospore—a layer external to and largely free from the exospore,
Wilson A. Taylor, Thomas N. Taylor
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Lycophytes of Sabah

2023
Mustapeng, Andi Maryani A   +4 more
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Evolution and Classification of Ferns and Lycophytes

2018
The last several decades have seen a transformation in our understanding of the evolutionary history of ferns and lycophytes. Historically the plants belonging to these lineages were grouped together and referred to as “pteridophytes” or “ferns and fern allies.” These terms both describe what we now recognize to be non-monophyletic assemblages, and ...
openaire   +1 more source

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