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1,346 results for “rare species”
PLATE 7. Notothylas orbicularis. a. Open sporophyte. b–c in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 7. Notothylas orbicularis. a. Open sporophyte. b–c. Cells of the columella. d. Elongate, thick-walled cells of capsule epidermis (val=valve cells; ep=epidermal cells). e. Transverse section through columella. f. Internal cells of capsule below epidermal cells. g. Proximal views of two spores and two pseudoelaters with internal thickenings (ps=pseudoelater). Illustrations by D. C. Cargill.
PLATE 5. Notothylas orbicularis. a. Transverse section through the columella. b. Capsule epidermal cells illustrating the elongated thickwalled cells. c–d in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 5. Notothylas orbicularis. a. Transverse section through the columella. b. Capsule epidermal cells illustrating the elongated thickwalled cells. c–d. SEM images of proximal and distal views of spores. e. Light microscope image of a spore. f. Pseudoelaters. Images by D. C. Cargill.
PLATE 3. Notothylas javanica. a.–e. Single plants—circles are antheridial cavities f in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 3. Notothylas javanica. a.–e. Single plants—circles are antheridial cavities f. Dorsal epidermal cells of thallus; two cells contain a single chloroplast with an associated pyrenoid. g. Ventral surface of plant with two sporophytes (inv = involucre; caps = capsules). h. Capsule epidermal cells. i. Basal epidermal cells of capsule. j. Internal cells of capsule below the epidermis. k. Antheridium. l. Proximal view of two spores. Illustrations by D. C. Cargill.
PLATE 4. Notothylas orbicularis. a in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 4. Notothylas orbicularis. a. Dorsal view of fertile plant. b. Ventral view of fertile plant, stained with toluidine blue. c. Apical view of capsule epidermis. d. View of the mid-section of a capsule showing the pigmented red valve cells. e. View of an open capsule showing the internal columella and the asymmetrical involucre. f. Single capsule showing the bulbous foot at the base. g. A single plant with mature antheridia (an) (arrow). h. Inset. Magnified image of single white antheridium per cavity. Images by D. C. Cargill.
PLATE 6. Notothylas orbicularis. a in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 6. Notothylas orbicularis. a. Dorsal view of plant. b. Ventral view of same plant illustrating ventral position of capsules. c. Dorsal view of a fertile plant. Black dots are Nosotoc colonies. d. Magnified view of capsule and highly dissected involucre. e. Transverse section through thallus showing large internal hypodermal cells sandwiched between dorsal and ventral epidermis. f. Dorsal epidermal cells. g. Ventral epidermal cells. Illustrations by D. C. Cargill.
PLATE 1. Notothylas javanica. a.–b in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 1. Notothylas javanica. a.–b. Plants in situ. c.–d. Ventral view of plants illustrating ventral position of the capsules. e. Whole plant showing ventral branched 'keels' of the thallus. f. Single antheridium. Images by D. C. Cargill.
PLATE 2. Notothylas javanica. a in Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia
PLATE 2. Notothylas javanica. a. Capsule epidermal cells (short and moderately thick-walled). b. Spores and disintegrated epidermal cells of the capsule. c. Spores and epidermal cells of capsule. d.–f. SEM images of spores. d. Dorsal and ventral view of two spores. e. Distal view of spore. f. Proximal view of several spores. Images by D. C. Cargill.
FIGURE 1 in A new record of Sida glutinosa (Malvaceae), a rare species of the Caatinga in northeastern Brazil, with lectotypifications and taxonomic notes on the allied Sida glabra
FIGURE 1. Distribution of Sida glutinosa. Point record (Ì) in Serra das Gamelas, municipality of Triunfo, Paraíba state.
FIGURE 2 in A new record of Sida glutinosa (Malvaceae), a rare species of the Caatinga in northeastern Brazil, with lectotypifications and taxonomic notes on the allied Sida glabra
FIGURE 2. Sida glutinosa. (A) General view of Serra das Gamelas, Triunfo, Paraiba, Brazil; (B) terminal portion of the habit; (C–D) lateral and superior view of schizocarp showing partly the mericarps; (E) flower. Detail: in B and C note the glandular-viscid hairs.
FIGURE 3 in Novitates neocaledonicae VI: Acropogon mesophilus (Malvaceae, Sterculioideae), a rare and threatened new species from the mesic forest of New Caledonia
FIGURE 3.—Distribution of Acropogon bullatus (circles), A. mesophilus (triangles) and A. veillonii (squares) in New Caledonia. Grey fill indicates ultramafic substrate, crosshatch fill indicates calcareous substrates. Protected areas are in dotted fill. Black symbols indicate localities from herbarium specimens [from specimens at G, NOU and P], while gray symbols indicate localities from observations, without voucher specimens [from Butaud (2014) for A. veillonii, Suprin (2008) for A. bullatus, and T. Le Borgne (pers. comm.) for A. mesophilus]. Localities for specimens from herbarium G gathered from GBIF.org.
FIGURE 2 in Novitates neocaledonicae VI: Acropogon mesophilus (Malvaceae, Sterculioideae), a rare and threatened new species from the mesic forest of New Caledonia
FIGURE 2.—Acropogon mesophilus Munzinger & Gâteblé spec. nov. (A–F), A. bullatus (G) & A. veillonii (H): A. Overview of a single big tree. B. Flowering branch. C. Leaves. D. Inflorescence. E. Male (left) and female (right) flowers. F. Follicles. G–H. Inflorescences. Gâteblé 711 (A–B), Gâteblé et al. 685 (C), Gâteblé 719 (D), Le Borgne 58 (E–F), Gâteblé & Butaud 733 (G), photos by G. Gâteblé (A–D & G), T. Le Borgne (E–F) & J.-F. Butaud (H).
FIGURE 1 in Novitates neocaledonicae VI: Acropogon mesophilus (Malvaceae, Sterculioideae), a rare and threatened new species from the mesic forest of New Caledonia
FIGURE 1.—Acropogon mesophilus Munzinger & Gâteblé spec. nov. A. Flowering branch B. Details of domatia on abaxial leaf surface. C. Inflorescence. D. Female flower. E. Male flower. F. Infructescence. G. Detail of an open follicle. A–E, Le Borgne 58 (NOU), F–G, Le Borgne 57 (NOU). Drawings by Laurence Ramon.
FIGURE 3 in First record of the rare Dyckia racemosa Baker (Bromeliaceae) in Maranhão state (northeastern Brazil), with an update on the species description, geographic distribution, and conservation status
FIGURE 3. Unicates herbarium specimen of Dyckia racemosa. A. Tocantins, Gardner 4015. B. Goiás, Irwin et al. 14528. C. Bahia, Forzza 7451. D. Maranhão, Guarçoni 2352 & A.W.C. Ferreira. (Fotos: Elidio A. E. Guarçoni)
FIGURE 2. Dyckia racemosa A in First record of the rare Dyckia racemosa Baker (Bromeliaceae) in Maranhão state (northeastern Brazil), with an update on the species description, geographic distribution, and conservation status
FIGURE 2. Dyckia racemosa A. plant rosettes growing isolated on rocky soil; B. Inflorescence of D. racemosa; C. Detail of a flower, showing the indumentum on sepals and petals. (Photos: Elidio Guarçoni)
FIGURE 4 in First record of the rare Dyckia racemosa Baker (Bromeliaceae) in Maranhão state (northeastern Brazil), with an update on the species description, geographic distribution, and conservation status
FIGURE 4. Map showing the distribution and extent of occurrence of Dyckia racemosa across Serra Geral, in the Brazilian states of Goiás, Bahia, Tocantins, and Maranhão.
FIGURE 1. Dyckia racemosa Baker E.A.E in First record of the rare Dyckia racemosa Baker (Bromeliaceae) in Maranhão state (northeastern Brazil), with an update on the species description, geographic distribution, and conservation status
FIGURE 1. Dyckia racemosa Baker E.A.E. Guarçoni 2352 & A.C. Ferreira. A. Rosette; B. Inflorescence, showing upper peduncle bracts shorter than the internodes and suberect to divergent flowers; C. Detail of the leaf, showing retrorse spines; D. Detail of the inflorescence, showing floral bracts shorter than the pedicels and suberect to divergent flowers; E. Longitudinal section of the flower; F. Sepal with detail of the indumentum; G. Petal with detail of the indumentum; H. Petal and stamens; I. Detail of anther. (Illustration: Reinaldo Monteiro)
FIGURE 1. Agalinis manglaris. A in A new rare species of Agalinis (Orobanchaceae) from the coast of Veracruz, México
FIGURE 1. Agalinis manglaris. A: habit, B: radicular system, C: detail of stem internodes and branching angles, D: leaves, E: inflorescence with flower at anthesis, F: flower, G: dissected calix, H: dissected corolla and detail of stamens and anthers, I: ovary and style, J: infrutescence, K: fruit with persistent style, L: seed. Illustration by E. Saavedra (from Francisco & Campos 177, XAL—holotype).
FIGURE 2. Agalinis manglaris. A in A new rare species of Agalinis (Orobanchaceae) from the coast of Veracruz, México
FIGURE 2. Agalinis manglaris. A: flower in lateral view, B: flower in frontal view, C: infrutescence, D: base of the main stem (indicated with red arrow).
FIGURE 5 in Hoehnea grandiflora (Lamiaceae), a rare, critically endangered new species from southern Brazil
FIGURE 5. Overview of the type locality of Hoehnea grandiflora, in Morro da Boa Vista, Rancho Queimado municipality, Santa Catarina state, southern Brazil.
FIGURE 3 in Hoehnea grandiflora (Lamiaceae), a rare, critically endangered new species from southern Brazil
FIGURE 3. Field photographs of Hoehnea grandiflora. A. Flower in lateral view. B. Flower in frontal view. C. Stem and a leaf blade.
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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.