Results 11 to 20 of about 1,234 (109)

Mutation Pressure and Gene‐Specific Selection Shape Codon Usage Bias in the Chloroplast Genomes of Isoetes, an Ancient Aquatic Vascular Plant Lineage

open access: yesEcology and Evolution
Isoetes is one of the most ancient extant vascular plant genera and represents a distinct evolutionary lineage within lycophytes. Its chloroplast genome preserves molecular signatures relevant to early land plant evolution.
Boxiong Li   +8 more
doaj   +2 more sources

Insights into cryptic speciation of quillworts in China

open access: yesPlant Diversity, 2023
Cryptic species are commonly misidentified because of high morphological similarities to other species. One group of plants that may harbor large numbers of cryptic species is the quillworts (Isoëtes spp.), an ancient aquatic plant lineage. Although over
Yu-Feng Gu   +9 more
doaj   +1 more source

Comparative chloroplast genome and transcriptome analysis on the ancient genus Isoetes from China

open access: yesFrontiers in Plant Science, 2022
Isoetes is a famous living fossil that plays a significant role in the evolutionary studies of the plant kingdom. To explore the adaptive evolution of the ancient genus Isoetes from China, we focused on Isoetes yunguiensis (Q.F. Wang and W.C. Taylor), I.
Yujiao Yang   +6 more
doaj   +1 more source

Potential geographical distribution of the edangred plant Isoetes under human activities using MaxEnt and GARP

open access: yesGlobal Ecology and Conservation, 2022
Isoetes L. is a relict genus of Isoetaceae which is of great value to study the systematic evolution of ferns and the flora of East Asia. Due to the impact of human activities on aquatic habitats, the population of Isoetes L. in China is decreasing.
Jingtian Yang   +5 more
doaj   +1 more source

Distinct Reproductive Strategy of Two Endemic Amazonian Quillworts

open access: yesDiversity, 2021
We examined the reproductive strategy of two Amazonian quillworts (Isoëtes cangae and Isoëtes serracarajensis), endemic and threatened species of canga ecosystems.
Cecilio F. Caldeira   +17 more
doaj   +1 more source

Phylogeny of Merlin’s grass (Isoetaceae): revealing an “Amborella syndrome” and the importance of geographic distribution for understanding current and historical diversity

open access: yesBMC Ecology and Evolution, 2022
Background Merlin’s grass (Isoetes, Isoetaceae, Lycopsida), is the extant remnant of the isoetalean wood-producing lycopsids that originated during the Paleozoic, possibly in aquatic or boggy habitats.
Eva Larsén   +3 more
doaj   +1 more source

Updating the distribution of the genus Isoetes (Isoetaceae) in southern Spain(Córdoba, Andalusia)

open access: yesCaldasia, 2021
Isoetes belong to the Class Lycopodiopsida (lycophytes). The genus is generally underrepresented in collections due to a lack of diagnostic characteristics and inconspicuous appearance.
Javier López-Tirado
doaj   +1 more source

Rediscovering two Isoetes species in the Brazilian Amazon and Cerrado after 167 years [PDF]

open access: yesPhytoKeys, 2019
Isoetes amazonica and I. gardneriana were the first two species of the genus to be collected from Brazil. Isoetes amazonica was gathered by Richard Spruce in the Amazon basin near Santarém in the state of Pará in 1850.
Jovani B. S. Pereira   +3 more
doaj   +3 more sources

Isoetes dubsii and Isoetes santacruzensis, two new species from lowland areas in South America [PDF]

open access: yesPhytoKeys, 2019
Isoetes dubsii sp. nov. and I. santacruzensis sp. nov., two new species from lowland areas in South America, are described, illustrated and compared to similar species.
Jovani B. de S. Pereira   +2 more
doaj   +3 more sources

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