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FIGURE 7. Stigmatodon vexatus. A in Novelties in Stigmatodon (Bromeliaceae, Tillandsioideae), a genus endemic to Brazil: three new species, one new combination, and two new stigma types
FIGURE 7. Stigmatodon vexatus. A. Group of plants at the type locality. B–C. Habit. D. Lateral view of the flower. E. Frontal view of the flower. Photos by E. Leme.
FIGURE 3. A–C. Convolute blade type I in Novelties in Stigmatodon (Bromeliaceae, Tillandsioideae), a genus endemic to Brazil: three new species, one new combination, and two new stigma types
FIGURE 3. A–C. Convolute blade type I (guzmanioid type). A. Guzmania acorifolia (Leme 588). B. Guzmania sp. (Leme 4061). C. G. vittata (Leme 431). D–P. Convolute blade type II (vrieseoid type). D. Vriesea gigantea (Leme 5128). E. V. amethystina (Leme 2680). F. V. carinata (Leme 4431). G. V. eltoniana (Leme 5160). H. V. ensiformis var. bicolor (Leme 1333). I. V. flammea (Leme 9857). J. V. sparsiflora (Leme 2291). K. V. garlippiana (Leme 3582). L. V. exaltata (Leme 502-A). M. V. roethii (Leme 2667). N. V. hydrophora (Leme 2237). O. V. morrenii (Leme 8666). P. V. fosteriana (Leme 4885). Photos by E. Leme. Bars: = 2 mm.
FIGURE 5. Stigmatodon itamarajuensis. A in Novelties in Stigmatodon (Bromeliaceae, Tillandsioideae), a genus endemic to Brazil: three new species, one new combination, and two new stigma types
FIGURE 5. Stigmatodon itamarajuensis. A. General view of the landscape at the type locality with Monte Pescoço on the left side. B. Close up of Monte Pescoço. C–D. Population near the base of Monte Pescoço. E. Habit. F. Distal portion of the inflorescence and lateral view of the flower. G. Details of the propagation by short basal shoots. H. Details of the stamens. I. Frontal view of the flower (A–D, F, H, I, photos E. Leme; E, G, photos by D.R. Couto).
FIGURE 4. Stigmatodon ilhanus. A in Novelties in Stigmatodon (Bromeliaceae, Tillandsioideae), a genus endemic to Brazil: three new species, one new combination, and two new stigma types
FIGURE 4. Stigmatodon ilhanus. A. General view of the landscape at the type locality. B. Inselberg where S. ilhanus was collected. C. The climber Andre Ilha collecting the new species. D. Details of the population at the type locality. E. Habit. F. Lateral view of the flower. G. Frontal view of the flower (A, B & D, photos by A. Ilha; C, photo by M. Freitas; E–G, photos by E. Leme).
Precise dynamical masses of new directly imaged companions from combining relative astrometry, radial velocities, and HIPPARCOS-Gaia eDR3 accelerations
<p>The VLT/SPHERE reduced images using the Geneva reduction pipeline, GRAPHIC, used to obtain the astrometry and photometry as published in Rickman et al. 2022. Each .fits file has been cosmetically corrected (i.e. bad pixels), background-subtracted, and flat-fielded. These files correspond to the 'flux frames' of the imaging observing sequence that was used to calculate the astrometry and photometry for each companion. The raw data are also available on the ESO archive with the relevant program numbers as listed in Rickman et al. 2022.</p>
FIGURE 3 in Species of Paraclius Loew (Diptera: Dolichopodidae) with bi-lamellate antennal stylus: new combination, new synonym, and two new species
FIGURE 3. Paraclius bilamellatus sp. nov. Male paratype (from type locality). A–B. Hypopygium, not dissected and dissected respectively; C. Internal appendages, left lateral view; D. Surstyli, right lateral view. Abbreviations: apv lb = apicoventral lobe of epandrium; bv s = basiventral epandrial seta; cerc = cercus; d sur = dorsal lobe of surstylus; ej apod = ejaculatory apodeme; epand = epandrium; hypd = hypandrium; ph = phallus; prct = proctiger; sp = sperm pump; v sur = ventral lobe of surstylus.
FIGURE 6 in Species of Paraclius Loew (Diptera: Dolichopodidae) with bi-lamellate antennal stylus: new combination, new synonym, and two new species
FIGURE 6. Paraclius vulcanoae sp. nov. Male holotype. A–B. Hypopygium, not dissected and dissected respectively; C. Internal appendages, left lateral view; D. Right cercus, outer view; E. Dorsal lobe of surstylus, inner view; F. Ventral lobe of surstylus and postgonite, outer view; G. Phallus, ventral view. Abbreviations: apv lb = apicoventral lobe of epandrium; bv s = basiventral epandrial seta; bv lb = basiventral lobe of epandrium; cerc = cercus; d sur = dorsal lobe of surstylus; ej apod = ejaculatory apodeme; epand = epandrium; hypd = hypandrium; ph = phallus; ph process = lateral process of phallus; sp = sperm pump; v sur = ventral lobe of surstylus.
FIGURE 4 in Species of Paraclius Loew (Diptera: Dolichopodidae) with bi-lamellate antennal stylus: new combination, new synonym, and two new species
FIGURE 4. Paraclius vulcanoae sp. nov. Male holotype. A. Head, anterior view; B. Habitus, lateral view (before dissection).
Collybiopsis pakistanica (Omphalotaceae, Agaricales, Basidiomycota), a new mushroom species from Margalla Hills, Pakistan, and two new combinations
<p><span>A new species, <em>Collybiopsis</em> <em>pakistanica</em>, from Margalla Hills National Park, Pakistan, is described based on micro-morphological and molecular phylogenetic analyses. This species is characterized by </span><span>its </span><span>milky white pileus, yellowish orange or light yellow to orange at central disc and margins, </span><span>lacrymoid </span><span>basidiospores, </span><span>cheilocystidia with median construction, and broadly utriform and clavate to narrowly utriform pleurocystidia and </span><span>epithelioid hymeniderm</span><span> pileipellis. </span><span>Its placement as a new taxon of <em>Collybiopsis</em> is confirmed by phylogenetic analyses of ITS and nrLSU sequences. Two new combinations, <em>Collybiopsis</em> <em>ugandensis</em> and <em>Collybiopsis</em> </span><span><em>pleurocystidiata</em> </span><span>are also proposed as these species are transferred from </span><em><span>Gymnopus</span></em><span>.</span></p>
FIGURE 4. Parahellenia trongduyii. A. Habit. B, C. Inflorescences. D in Taxonomic studies on Parahellenia (Costaceae) in Vietnam: a new species, P. trongduyii, and a new combination, P. candida
FIGURE 4. Parahellenia trongduyii. A. Habit. B, C. Inflorescences. D. Flower (top view). E. Flower (front view). F. Flower (lateral view). G. Stamen and style (lateral view). Photos by M.S. Nuraliev from Nuraliev 1673.
FIGURE 3 in Taxonomic studies on Parahellenia (Costaceae) in Vietnam: a new species, P. trongduyii, and a new combination, P. candida
FIGURE 3. Parahellenia trongduyii: floral morphology. A. Inflorescences with flowers. B. Inflorescence (lateral view). C. Flower dissection. D. Flower (longitudinal section) showing floral tube fused more than halfway with the style base. E. Stamen (from left to right: abaxial view, adaxial view and lateral view). F. Stigma (from left to right: lateral view, abaxial view and adaxial view). G. From left to right: a fruit with bract, bracteole and calyx, and a fruit (longitudinally dissected) showing seeds. Photos by V.C. Nguyen from the type V.C. Nguyen & V.K. Nguyen CD 01.
FIGURE 1. Parahellenia trongduyii. A. Rhizome with a terminal bud. B. Leafy shoot. C. Nodes with leaf bases. D in Taxonomic studies on Parahellenia (Costaceae) in Vietnam: a new species, P. trongduyii, and a new combination, P. candida
FIGURE 1. Parahellenia trongduyii. A. Rhizome with a terminal bud. B. Leafy shoot. C. Nodes with leaf bases. D. Node with an axillary bud. E. Inflorescence with flowers. F. Bract, bracteole, ovary and calyx. G. Flower. H. Flower (calyx, corolla lobes and labellum removed). I. Longitudinal section of a flower. J. Corolla lobes (abaxial and adaxial views). K. Stamen and labellum. L. Longitudinal sections of a fruit. M. Stamen (abaxial and adaxial views). N. Stamen (lateral view). O. Stigma (from left to right: lateral view, abaxial view and adaxial view). Drawn by Mr. D.H. Cui from the type V.C. Nguyen & V.K. Nguyen CD 01.
FIGURE 2. Phylogram generated from maximum likelihood analysis resulting from the combined ITS, tef1 and tub2 in Interesting Botryosphaeria (Botryosphaeriaceae) associated with Magnolia species in Thailand: Additions of two new host records with their lifestyles
FIGURE 2. Phylogram generated from maximum likelihood analysis resulting from the combined ITS, tef1 and tub2 sequence dataset. Related sequences of Botryosphaeria were obtained from Zhang et al. (2021). Cophinforma eucalypti (MFLUCC 11-0425) was selected as the outgroup taxon. Bootstrap values for maximum likelihood equal to or greater than 60% and bayesian posterior probabilities equal to or greater than 0.95 are placed above the branches. The newly generated sequences are indicated in red. Type and ex-type strains are in black bold. Species names and strain accession numbers are followed by the lifestyle (orange), the isolation source or host species (green) and country of origin (blue). The accepted species names (according to Zhang et al. 2021) are indicated to the left of each clade. The scale bar represents the expected number of changes per site. The tree was rooted to Cophinforma eucalypti (MFLUCC 11-0425). END: Endophytic; PAT: Pathogenic; SAP: Saprobic; UNK: Unknown.
FIGURE 9 in Novelties in "incertae sedis" Vriesea (Bromeliaceae:Tillandsioideae): Redescriptions, new combinations and nomenclatural revision
FIGURE 9. Werauhia swartzii (Baker) Kessous & A.F.Costa. A. Isotype, Swartz sn (S-R-10050; Scanned by Frida Eggens (S); Courtesy of the Swedish Museum of Natural History). B. Living specimen (Photo: Philip K. Nelson, courtesy of Smithsonian Institution). C. Petal with appendages, one appendaged had its outline highlighted (Photo and illustration: I.M. Kessous). D. Stigma (Photo: I.M. Kessous).
FIGURE 8 in Novelties in "incertae sedis" Vriesea (Bromeliaceae:Tillandsioideae): Redescriptions, new combinations and nomenclatural revision
FIGURE 8. Werauhia fibrosa (L.B.Sm.) Kessous & A.F.Costa. A. Holotype Maguire & Politi 27912 (US; Courtesy of the United States National Herbarium). B. Detail of the inflorescence (adapted from Smith, 1957:317). C. Stigma cupulate (Photo: I.M. Kessous). D. Illustration of the outline of one petal appendage (I.M. Kessous).
FIGURE 6 in Novelties in "incertae sedis" Vriesea (Bromeliaceae:Tillandsioideae): Redescriptions, new combinations and nomenclatural revision
FIGURE 6. Tillandsia lutheriana (J.R.Grant) Kessous & A.F.Costa. A. Isotype, J.R. Grant 91-01475 (SEL; Courtesy of the Marie Selby Botanical Gardens). B. Habit (Grant 1992: 117;). C. Habit and detail of inflorescence (Grant 1992: 115; Photos: C. Skotak). D. Detail of the flower and the petal (Grant 1992: 116). Images courtesy of the Bromeliad Society International (B, C and D).
FIGURE 4 in Novelties in "incertae sedis" Vriesea (Bromeliaceae:Tillandsioideae): Redescriptions, new combinations and nomenclatural revision
FIGURE 4. Cipuropsis zamorensis (L.B.Sm.) Kessous & A.F.Costa. Holotype, Scolnik 1500 (NY; Courtesy of the C. V. Starr Virtual Herbarium, New York Botanical Garden, http://sweetgum.nybg.org/science/vh/).
FIGURE 1 in Novelties in "incertae sedis" Vriesea (Bromeliaceae:Tillandsioideae): Redescriptions, new combinations and nomenclatural revision
FIGURE 1. Cipuropsis dubia (L.B.Sm.) Kessous & A.F.Costa. A. Holotype Jaramillo-Mejia 571 (COL; Courtesy of the Instituto de Ciencias Naturales, Universidad Nacional de Colombia). B. Blade (Phytologia 5: 287. 1955). C. Plate of V. alborubrobracteata Rauh (Trop. Subtrop. Pflanzenw. 16: 22. 1976; Akademie der Wissenschaften und der Literatur). D. Fruit and seeds (Phytologia 5: 287. 1955).
FIGURE 2 in Novelties in "incertae sedis" Vriesea (Bromeliaceae:Tillandsioideae): Redescriptions, new combinations and nomenclatural revision
FIGURE 2. Cipuropsis elata (Baker) Kessous & A.F.Costa, A. Branch of the inflorescence. B. Flower. C. Sepal. D. Section of the rachis. E. Blade apex. F. Lectotype Purdie s.n. (K #K322035; Courtesy of the Royal Botanic Gardens, Kew: http://apps.kew.org/herbcat/ getImage.do?imageBarcode=K000322035). G. Isotype of Tillandsia exaltata Mez, Lehmann XXV (US; Courtesy of the United States National Herbarium). Illustration A–E modified from Smith 1957: 177; Contr. U.S. Natl. Herb.).
FIGURE 5 in Coprinopsis (Psathyrellaceae, Agaricales) in the Neotropics: three new species and a new combination
FIGURE 5. Macroscopic details of Coprinopsis myceniformis (ICN 200438) a, b. basidioma in situ. Microscopic features c. basidiospores d. basidia e. cheilocystidia f. veil elements on the pileipellis g, h. veil elements in the stipitipellis. Bars: a, b. 10 mm c. 10 µm d, e. 20 µm f. 50 µm g, h. 20 x. Photos: Bárbara Scḩnemann.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.