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76 results for “Adiantum”
Asplenium adiantum-nigrum L. var. lancifolium Heufl. (BR0000011234463)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Fig. 1 in Lectotypification of the N.L. Burman's fern name Adiantum denticulatum
Fig. 1. – Lectotype of Adiantum denticulatum Burm. f. in G-PREL.
Figura 1 in O gênero Adiantum (Pteridaceae) no Estado do Paraná, Brasil
Figura 1. Distribuição geral das espécies de Adiantum no Estado do Paraná.
Habitat-scale ecological data for the <em>Adiantum pedatum</em> complex in northeastern North America
Open the record for dataset details and reuse information.
H. J. Andrews Experimental Forest site, station Andrews Watershed 1, study of plant cover of Adiantum aleuticum in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from H. J. Andrews Experimental Forest (AND) contains plant cover of Adiantum aleuticum measurements in percent units and were aggregated to a yearly timescale.
H. J. Andrews Experimental Forest site, station Andrews Watershed 3, study of plant cover of Adiantum aleuticum in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from H. J. Andrews Experimental Forest (AND) contains plant cover of Adiantum aleuticum measurements in percent units and were aggregated to a yearly timescale.
FIGURE. Differences of Adiantum japonicum and A. pedatum. A–C, G–I, M–O: A. japonicum; D–F, J–L, P–R: A. pedatum. A, D. rhizome; B, E. stipe; C, F. scales of stipe; G, J. pinna at apex; H, K. pinnules; I. L. Direction of leaf branching; M-R. spore. Photo credit: Ting Zhao. in Adiantum japonicum, a new species of the Adiantum pedatum complex (Pteridaceae) from Japan
FIGURE. Differences of Adiantum japonicum and A. pedatum. A–C, G–I, M–O: A. japonicum; D–F, J–L, P–R: A. pedatum. A, D. rhizome; B, E. stipe; C, F. scales of stipe; G, J. pinna at apex; H, K. pinnules; I. L. Direction of leaf branching; M-R. spore. Photo credit: Ting Zhao.
FIGURE. The Bayesian tree of the Adaintum pedatum complex based on chloroplast markers and corresponding rhizome type. Support values (Bayesian inference posterior probability (BIPP) (upper) ≥ 0.5, and maximum likelihood bootstrap support (MLBS) (nether) ≥ 50%) are shown above the main branches, the thickened branches indicate MLBS=100 and BIPP=1. Yellow bar means erect rhizome; blue bar means creeping rhizome; gray bar means decumbent or short-creeping rhizome. in Adiantum japonicum, a new species of the Adiantum pedatum complex (Pteridaceae) from Japan
FIGURE. The Bayesian tree of the Adaintum pedatum complex based on chloroplast markers and corresponding rhizome type. Support values (Bayesian inference posterior probability (BIPP) (upper) ≥ 0.5, and maximum likelihood bootstrap support (MLBS) (nether) ≥ 50%) are shown above the main branches, the thickened branches indicate MLBS=100 and BIPP=1. Yellow bar means erect rhizome; blue bar means creeping rhizome; gray bar means decumbent or short-creeping rhizome.
Variation in frequency of plastid RNA editing within Adiantum (Pteridaceae) implies rapid evolution in fern plastomes
<p>Premise</p> <p>Recent advances in studies of plant RNA editing have demonstrated that the number of editing sites can vary widely among large taxonomic groups (orders, families). Yet, very little is known about intrageneric variation in frequency of plant RNA editing, and no study has been conducted in ferns.</p> <p>Methods</p> <p>We determined plastid RNA editing counts for two species of Adiantum (Pteridaceae), A. shastense and A. aleuticum, by implementing a pipeline that integrated read mapping and SNP calling software to identify RNA editing sites. We then compared the edits found in A. aleuticum and A. shastense with previously published edits from A. capillus-veneris by generating alignments for each plastid gene.</p> <p>Results</p> <p>We found direct evidence for 505 and 509 plastid RNA editing sites in A. aleuticum and A. shastense, respectively, compared with 350 sites in A. capillus-veneris. We observed striking variation in the number and location of the RNA editing sites among the three species, with reverse (U-to-C) editing sites showing a higher degree of conservation than forward (C-to-U) sites. Additionally, sites involving start and stop codons were highly conserved.</p> <p>Conclusions</p> <p>Variation in RNA editing frequency observed within Adiantum implies that RNA editing sites can be rapidly gained or lost throughout evolution. However, varying degrees of conservation between both C-to-U and U-to-C sites and sites in start or stop codons, versus other codons, hints at the likely independent origin of both types of edits and a potential selective advantage conferred by RNA editing.</p>
FIGURES 3–7 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 3–7. (Continued) Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. longzhouensis (2n = 60). 3-6: individuals collected in DX (wah2020060616); 7: individuals collected in DB (wah2020060618).
FIGURE 12 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURE 12. Morphology of individuals responding to Figs 1–11 and Table 1. A–I: A. gravesii complex; J: A. dentatum; K–L: A. mariesii complex; M: A. juxtapositum; N-O: A. longzhouensis. A: JEB, B: GAS; C: HFB; D: HMMB; E: JW1B1; F: HB1B; G: SJB; H: GGL1; I: GXM; J: HB2C; K: HMMX; L: SBSX; M: GSD; N: DX; O: DB. Among the A. gravesii complex (A–I), D and G were typical A. gravesii, the others were intermediate morphology. In A. mariesii complex, L is the typical A. mariesii and K was the A. mariesii complex. All short names of populations and their morphological characters were listed in Table 1.
FIGURES 3–7 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 3–7. Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. longzhouensis (2n = 60). 3-6: individuals collected in DX (wah2020060616); 7: individuals collected in DB (wah2020060618).
FIGURE 13 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURE 13. Strict consensus tree of six maximally parsimonious trees for series Gravesiana obtained from atpA, atpB, rbcL, trnL- F, rps4-trnS and matK sequences in Wang et al. 2017. The bootstrap values were shown above the lines, and the Bayesian posterior probabilities were shown below the lines.
FIGURE 11 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURE 11. Photomicrographs and explanatory diagrams of chromosomes of A. gravesii complex from different populations. A: individuals collected in JEB (2n = 120) (wah2020052609); B: individuals collected in HFB (2n = ca. 120) (WAH055); C: individuals collected in HMMB (2n = 128) (wah2020060608); D: individuals collected in GAS (2n = 128) (wah2020062102); E: individuals collected in SJB (2n = ca. 150) (wah20191113003); F: individuals collected in JW1B1 (2n = ca. 150) (wah2020060611); G: individuals collected in HB1B (2n = 150) (wah2020052605); H: individuals collected in GGL1 (2n = ca. 180) (wah2020062003); I: individuals collected in GXM (2n = 64) (wah2020062202). All short names of populations were listed in Table 1.
FIGURES 8–10 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 8–10. Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. dentatum and A. mariesii. 8: sample of A. dentatum (2n = ca. 60) collected in HB2C (wah2020052604); 9: sample of A. mariesii (2n = ca. 120) from the SBSX (wah20191113002); 10: sample of A. mariesii complex (2n = 60) collected in HMMX (wah2020060609). All short names of HMMX, SBSX and HB2C were listed in Table 1.
FIGURES 1–2 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 1–2. Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. juxtapositum (2n = 64). 1: individuals collected in GSD (WAH029); 2: individuals collected in HCZ (wah20191115001). All short names were listed in Table 1.
FIGURE 3 in Adiantum ailaoshanense (Pteridaceae), a new natural hybrid from Yunnan, China
FIGURE 3. SEM photographs of the spore morphology of Adiantum × ailaoshanense (B, D and E) and its parents. A. A. sinicum. C. A. menglianense.
FIGURE 1 in Adiantum ailaoshanense (Pteridaceae), a new natural hybrid from Yunnan, China
FIGURE 1. Adiantum × ailaoshanense Y.H. Yan & Y. Wang. A. Habit. B. Pinna abaxial. C. Pinna adaxial. D. Sporangia. E. Multicellular hair. F. Rhizome scale. Drawn from the holotype Yan12410 (CSH).
FIGURE 3 in Adiantum viscosum (Pteridaceae), a new species endemic to sclerophyllous forest of Central Chile
FIGURE 3. Adiantum viscosum; (A) habit; (B) frond; (C) fertile frond; (D) detail of a fertile pinnule and false indusia; (E) detail of rachis covered with trichomes; (F–G) details of a pinnule covered with glandular and capitate trichomes; (H) detail of petiole and scales. Photographs: A. Cádiz-Véliz.
FIGURE 2 in Adiantum viscosum (Pteridaceae), a new species endemic to sclerophyllous forest of Central Chile
FIGURE 2. Illustration of Adiantum viscosum: (A) frond and rhizome; (B) petiole, detail of basal third; (C) rhizome scale; (D) sterile pinnules; (E) detail of the surface of a pinnule; (F) fertile pinnule; (G) detail of false indusium; (H) trichome. Illustrations based on A. Cádiz Véliz & B. Palma-Villalobos 801. Drawn by Arón Cádiz-Véliz.
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