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1,346 results for “rare species”
FIGURE 2 in Hoehnea grandiflora (Lamiaceae), a rare, critically endangered new species from southern Brazil
FIGURE 2. Illustrations of Hoehnea grandiflora. A. Habit. B. Apex of stems. C. Detail of stem indumenta. D. Leaf blade. E. Detail of leaf blade indumenta. F. Flower in frontal view. G. Flower in lateral view. H. Dissected calyx. I. Petal venation. J. Stamens. K. Ovary and nectary. L. Apex of style. From L.A. Funez & G. Hassemer 5267; line drawings by Lucas Cardoso Marinho.
FIGURE 3. Agalinis manglaris. A in A new rare species of Agalinis (Orobanchaceae) from the coast of Veracruz, México
FIGURE 3. Agalinis manglaris. A: view of radicular system of A. manglaris (left) and root system of Asclepias curassavica (right), with red square marking the location of one haustorium, B: detail of the haustorium of A. manglaris shown in A, intercepting the root of A. curassavica, C: haustorium (red arrow) as viewed under a stereoscopic microscope showing the union between haustorium and root.
FIGURE 1. Croton ichthygaster. A. Habit. B. Branch with one leaf having petiolar glands and one leaf apparently lacking them. C. Reddish latex. D. Staminate flowers. E. Pistillate flower with bifid styles. F in Rediscovery and sectional placement of Croton ichthygaster (Euphorbiaceae), a rare species from southern Brazil
FIGURE 1. Croton ichthygaster. A. Habit. B. Branch with one leaf having petiolar glands and one leaf apparently lacking them. C. Reddish latex. D. Staminate flowers. E. Pistillate flower with bifid styles. F. Detail of the subglobose and strongly trigonous capsules. G. Columella with three inflated distal lobes. A–E: Pereira et al. 47 (SP); F–G: Caruzo et al. 201 (SP). Photos by the authors.
FIGURE 2 in Rediscovery and sectional placement of Croton ichthygaster (Euphorbiaceae), a rare species from southern Brazil
FIGURE 2. Map showing the known geographic distribution of Croton ichthygaster (black dots). (PR: Paraná, RS: Rio Grande do Sul, SC: Santa Catarina, SP: São Paulo).
FIGURE 2 in Rediscovery of the enigmatic Scutellaria xylorrhiza (Scutellarioideae; Lamiaceae)- a rare endemic species from Iran
FIGURE 2. (A, B) Scutellaria xylorrhiza in its natural habitat, (C) distribution map of S. xylorrhiza in Iran.
FIGURE 3 in Rediscovery of the enigmatic Scutellaria xylorrhiza (Scutellarioideae; Lamiaceae)- a rare endemic species from Iran
FIGURE 3. Scanning electron micrographs of leaf and calyx of Scutellaria xylorrhiza. A: leaf; B‒D: calyx.
FIGURE 4 in Rediscovery of the enigmatic Scutellaria xylorrhiza (Scutellarioideae; Lamiaceae)- a rare endemic species from Iran
FIGURE 4. Majority rule consensus tree inferred from Bayesian analysis of nrDNA ITS sequences showing the phylogenetic placement of Scutellaria xylorrhiza. Posterior probability and bootstrap support (PP/BS) values are reported above at the nodes.
FIGURES 33–36 in Ninastrelnikovia lateritica sp. nov., a new and rare freshwater diatom species from the rocky pools of the Western Ghats, India with a note on the genus Ninastrelnikovia Lange-Bertalot & A.Fuhrmann (Bacillariophyta)
FIGURES 33–36. Close up of internal valves of Ninastrelnikovia lateritica sp. nov. (SEM). 33. Proximal raphe ends strongly deflected onto the same side and internally open areolae. 34 & 35. Distal raphe end ending in helictoglossae. 36. Straight or rudimentarily developed proximal raphe end found in a intermediate valve which attached with another valve by interdigitating, long spatulate spines (arrows). (All scale bars represent 1 μm).
FIGURES 20–28 in Ninastrelnikovia lateritica sp. nov., a new and rare freshwater diatom species from the rocky pools of the Western Ghats, India with a note on the genus Ninastrelnikovia Lange-Bertalot & A.Fuhrmann (Bacillariophyta)
FIGURES 20–28. Detail of the external views of Ninastrelnikovia lateritica sp. nov. frustules (SEM). 20 & 21. Apices showing distal raphe ends of terminal and intermediate valves respectively. 22. Girdle view of the apex of a frustule showing pseudospines (arrows), spatulate spines (arrowheads) with distal raphe end curving towards the mantle. 23. Middle part of the terminal valve showing fully developed raphe system. 24. Middle part of the intermediate valve showing rudimentary raphe. 25. Girdle view of the middle part of a frustule showing pseudospines (arrow), linking spines (arrowhead) and silica granules (round pointer). 26 & 27. Apices showing distal raphe ends of terminal and intermediate valves respectively. 28. Another broken frustule apex showing raphe slit (arrow). (All scale bars represent 1 μm).
FIGURES 15–19 in Ninastrelnikovia lateritica sp. nov., a new and rare freshwater diatom species from the rocky pools of the Western Ghats, India with a note on the genus Ninastrelnikovia Lange-Bertalot & A.Fuhrmann (Bacillariophyta)
FIGURES 15–19. External views of Ninastrelnikovia lateritica sp. nov. frustules (SEM). 15 & 16. Face views of cell colony terminating valves bearing longitudinally oriented siliceous slat system. 17 & 18. Face views of intermediate valves of cell colony showing linking spatulate spines and wedge shaped pluriseriate areolae. 19. Girdle view of cell colony terminating frustule. (All scale bars represent 2 μm).
FIGURES 1–14 in Ninastrelnikovia lateritica sp. nov., a new and rare freshwater diatom species from the rocky pools of the Western Ghats, India with a note on the genus Ninastrelnikovia Lange-Bertalot & A.Fuhrmann (Bacillariophyta)
FIGURES 1–14. LM-micrographs of Ninastrelnikovia lateritica sp. nov., from the type population; valve views showing the size diminution series. Holotype depicted in Fig. 11. 3 & 4. Frustules in valve view with high and low focusing showing distinct raphe and central nodule. 8 & 9. Showing reduced raphes with wider spaced central endings (Scale bar represents 10 μm).
FIGURES 29–32 in Ninastrelnikovia lateritica sp. nov., a new and rare freshwater diatom species from the rocky pools of the Western Ghats, India with a note on the genus Ninastrelnikovia Lange-Bertalot & A.Fuhrmann (Bacillariophyta)
FIGURES 29–32. Internal views of Ninastrelnikovia lateritica sp. nov. frustules (SEM). 29–31. Whole valve showing striae pattern, central area, proximal raphe ends and narrowly elliptical valve shape with gradually swollen centre. 32. One terminal cell (arrows) connected with another intermediate valve that showing proximal raphe end. (All scale bars represent 3 μm).
FIGURES 37–40 in Ninastrelnikovia lateritica sp. nov., a new and rare freshwater diatom species from the rocky pools of the Western Ghats, India with a note on the genus Ninastrelnikovia Lange-Bertalot & A.Fuhrmann (Bacillariophyta)
FIGURES 37–40. Close up of internal valves of Ninastrelnikovia lateritica sp. nov. (SEM). 37. Curved proximal raphe end found in a intermediate valve as it bears spines (arrows). 38 & 39. Curved proximal raphe end found in a terminal valve which shows slender siliceous slats (arrows). 40. A broken apical part showing strut like structures which holds the mantle. (All scale bars represent 1 μm).
FIGURE 1. A in Synonymy and notes on a rare species of Vriesea (Bromeliaceae) from the Atlantic forest hotspot of Bahia and Minas Gerais, Brazil
FIGURE 1. A. Holotype of Vriesea noblickii, showing the simple inflorescence. B. Holotype of V. sandrae (R. Menescal & S. Linhares s.n., HB) showing two inflorescences, one simple (left) and another bearing a broken branch at the base (right). C. Paratype of V. sandrae (S. Linhares s.n. HB77776) with a branched inflorescence (Photos: A. HUEFS Herbarium, B.–C. L.M. Versieux).
FIGURE 1. Chrysanthemum yantaiense M. Sun & J.T. Chen. A. Plant, B–C in Chrysanthemum yantaiense, a rare new species of Asteraceae from China
FIGURE 1. Chrysanthemum yantaiense M. Sun & J.T. Chen. A. Plant, B–C. Two types of leaves, D. Side view of paniculate synflorescence, E. Top view of paniculate synflorescence, F. Capitula, G. Ray floret and disk floret, H. T-shaped hairs.
FIGURE 3. Chrysanthemum yantaiense M. Sun & J.T in Chrysanthemum yantaiense, a rare new species of Asteraceae from China
FIGURE 3. Chrysanthemum yantaiense M. Sun & J.T. Chen (Cultivated). A. Whole plant, B. Flower bud period, C. Flowering period.
FIGURE 2. Chrysanthemum yantaiense M. Sun & J.T. Chen. A. Habit, B. Leafy branch, C. Whole plant, D. Flowering branch forming paniculate synflorescence, E. Leaf, F. Capitula, G. Involucres, H. Ray florets, I. Disk florets, J. Young leaf, K. T in Chrysanthemum yantaiense, a rare new species of Asteraceae from China
FIGURE 2. Chrysanthemum yantaiense M. Sun & J.T. Chen. A. Habit, B. Leafy branch, C. Whole plant, D. Flowering branch forming paniculate synflorescence, E. Leaf, F. Capitula, G. Involucres, H. Ray florets, I. Disk florets, J. Young leaf, K. T-shaped hairs.
FIGURES 28–50 in Taxonomic novelties, new records, and rare species of desmids from the Chapada Diamantina region, Brazil
FIGURES 28–50. Euastrum piataense (28–34): LM (28–31), SEM (33,34), ventral view (28–30, 33), lateral view (31,34) apical view (32); Euastrum subcyclopicum var. elongatum (35–39): LM (35–38), SEM (39), ventral view (35–36, 39), lateral view (37), apical view (38); Euastrum bicudoi (40–42): ventral view (40), lateral view (41), apical view (42); Euastrum subtrilobulatum var. laeve (Figs 43–46): ventral view (43,44), lateral view (45), apical view (46); Micrasterias arcuata var. perforata (47–50): LM (47–49), SEM (50), zygospore (49). Scale bar 10 μm.
FIGURES 2–27 in Taxonomic novelties, new records, and rare species of desmids from the Chapada Diamantina region, Brazil
FIGURES 2–27. Cosmarium diamantinum (2–6): ventral view (2–4), lateral view (5) apical view (6); Cosmarium dimaziforme var. concavum (7–10): ventral view (7), lateral view (8) apical view (9), cell division (10); Cosmarium pentachondrum (11–13): ventral view (11), lateral view (12) apical view (13); Euastrum bahiense (14–16): ventral view (14), lateral view (15) apical view (16); Euastrum croasdaleae var. incrassatum (17–20): ventral view (17,18), lateral view (19) apical view (20); Euastrum duplicato-verrucosum (21–25): ventral view (21,22), lateral view (23) apical view (24), zygospore (25); Euastrum octogibbosum (26–27): LM (26), SEM (27). Scale bar 10 μm.
FIGURES 51–65 in Taxonomic novelties, new records, and rare species of desmids from the Chapada Diamantina region, Brazil
FIGURES 51–65. Micrasterias jenneri var. semicirculare (51–54): ventral view (51–53), lateral view (54); Micrasterias torreyi var. pseudocurvata (55–57): ventral view (55), lateral view (56), semicell (57); Staurastrum serriforme (58–62): ventral view (58–60), apical view (61,62); Tetmemorus furcatus (63–65): ventral view (63, 64), lateral view (65). Scale bar 30 μm (51–57), 10 μm (58–65).
ScienceDex guides
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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.