1,720,967 research outputs found
FIGURE 3 in Two new species of Crepidotus (Crepidotaceae) from China
No full textFIGURE 3. Scanning electron micrographs of basidiospores. a–b. Crepidotus herbaceus (from holotype!). c–d. Crepidotus ulmicola (from holotype!). Photographs by Yupeng Ge.Published as part of Zhang, Peng, Ge, Yupeng & Bau, Tolgor, 2022, Two new species of Crepidotus (Crepidotaceae) from China, pp. 22-34 in Phytotaxa 552 (1) on page 27, DOI: 10.11646/phytotaxa.552.1.2, http://zenodo.org/record/667316
FIGURE 3. Mycena yuezhuoi a, d in Mycena yuezhuoi sp. nov. (Mycenaceae, Agaricales), a purple species from the peninsula areas of China
No full textFIGURE 3. Mycena yuezhuoi a, d) Basidiospores (FFAAS 0347); b, e) Basidiospores (FFAAS 0345); c) Cheilocystidia (FFAAS 0345); f, h) Stipitipellis and caulocystidia (FFAAS 0346); g) Lamellar trama (FFAAS 0345); i) Pileipellis with apically narrow terminal cells (FFAAS 0346). Bars a, b, d, e=5 μm; c, f–I =20 μm. Photos by Zewei Liu.Published as part of Liu, Zewei, Na, Qin, Cheng, Xianhao, Wu, Xiaoming & Ge, Yupeng, 2021, Mycena yuezhuoi sp. nov. (Mycenaceae, Agaricales), a purple species from the peninsula areas of China, pp. 148-162 in Phytotaxa 511 (2) on page 155, DOI: 10.11646/phytotaxa.511.2.3, http://zenodo.org/record/542657
FIGURE 3 in Two new species of Hohenbuehelia (Pleurotaceae) from China
No full textFIGURE 3. Hohenbuehelia longzhousis (FFAAS 0348, Holotype). A&B: Basidiomata. C: Basidiospores. D: Basidium. E: Metuloid pleurocystidia. F: Cheilocystidia. G: Pileoleptocystidia. H: Pileipellis. Scale Bar: A & B = 1cm. C–H = 5 μm.Published as part of Qi, Liangliang, Ge, Yupeng, Li, Liying, Qin, Yanchun, Zeng, Hui, Lang, Ning & Li, Yu, 2023, Two new species of Hohenbuehelia (Pleurotaceae) from China, pp. 158-168 in Phytotaxa 578 (2) on page 163, DOI: 10.11646/phytotaxa.578.2.2, http://zenodo.org/record/751782
FIGURE 1 in Two new species of Hohenbuehelia (Pleurotaceae) from China
No full textFIGURE 1. Phylogeny analysis of Hohenbuehelia clade based on a Bayesian and Maximum Likelihood (RAxML) inference analysis of a matrix of two nuclear gene regions (nrITS & nrLSU). Bayesian posterior probability values and Maximum Likelihood bootstrap (>50) values are shown on the branches. New species is indicated in green back groundPublished as part of Qi, Liangliang, Ge, Yupeng, Li, Liying, Qin, Yanchun, Zeng, Hui, Lang, Ning & Li, Yu, 2023, Two new species of Hohenbuehelia (Pleurotaceae) from China, pp. 158-168 in Phytotaxa 578 (2) on page 162, DOI: 10.11646/phytotaxa.578.2.2, http://zenodo.org/record/751782
Mycena (sect. Calodontes) Quel 1872
No full textKey to species of sect. Calodontes known worldwide 1. Basidiospores inamyloid....................................................................................................................................................................2 1. Basidiospores amyloid........................................................................................................................................................................5 2. Pileipellis not gelatinized........................................................................................................................................... Mycena vinacea 2. Pileipellis gelatinized..........................................................................................................................................................................3 3. Caulocystidia absent.............................................................................................................................................. Mycena sirayuktha 3. Caulocystidia present..........................................................................................................................................................................4 4. Stipitipellis with sparse nodules........................................................................................................................ Mycena subcorticalis 4. Stipitipellis smooth............................................................................................................................................. Mycena pearsoniana 5. Pileus without purple tint....................................................................................................................................................................6 5. Pileus with purple tint.........................................................................................................................................................................8 6. Q> 1.7............................................................................................................................................................. Mycena luteovariegata 6. Q <1.7................................................................................................................................................................................................7 7. Caulocystidia with apical excrescences.................................................................................................................. Mycena clarkeana 7. Caulocystidia smooth..................................................................................................................................... Mycena nullawarrensis 8. Pileus and stipe pink...................................................................................................................................................... Mycena rosea 8. Pileus and stipe purple or purplish brown..........................................................................................................................................9 9. Pleurocystidia present.......................................................................................................................................................................10 9. Pleurocystidia scarce or absent.........................................................................................................................................................13 10. Lamellae edge with dark purplish brown dots.................................................................................................................................11 10. Lamellae without dots......................................................................................................................................................................12 11. Basidiospores almost less than 4 μm broad.......................................................................................................... Mycena pelianthina 11. Basidiospores almost more than 4 μm broad........................................................................................................ Mycena lammiensis 12. Cheilocystidia occurring mixed with basidia................................................................................................................. Mycena dura 12. Cheilocystidia not occurring mixed with basidia........................................................................................................... Mycena pura 13. Lamellae adnexed, dark brownish violet to reddish violet......................................................................................... Mycena diosma 13. Lamellae emarginate, white...................................................................................................................................... Mycena yuezhuoiPublished as part of Liu, Zewei, Na, Qin, Cheng, Xianhao, Wu, Xiaoming & Ge, Yupeng, 2021, Mycena yuezhuoi sp. nov. (Mycenaceae, Agaricales), a purple species from the peninsula areas of China, pp. 148-162 in Phytotaxa 511 (2) on pages 159-160, DOI: 10.11646/phytotaxa.511.2.3, http://zenodo.org/record/542657
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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