Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
717
datasets available to search
ShareScore release 0.9.0
Dataset results
717 results for “Lectotypification”
FIGURE 33 in Lectotypification, emended description and distribution of Planothidium distinctum (Achnanthidiaceae, Bacillariophyceae)
FIGURE 33. Boxplots (a) of length and width of valves in type and Lake Lia populations, and length-width scatterplot (b) of Planothidium distinctum.
FIGURES 1–17 in Lectotypification, emended description and distribution of Planothidium distinctum (Achnanthidiaceae, Bacillariophyceae)
FIGURES 1–17: Original drawings of Planothidium distinctum and Achnanthes hirta, LM and SEM images from specimens in Messikommer's sample. Fig 5, designated here as lectotype (BP 2210). Figs 1, 2. Reproduction of Messikommer's drawings (1954: 32, pl. 1, figs 2a, 2b). Figs 3, 4. Reproduction of Carter's drawings of Achnanthes hirta (Carter 1970: 609, pl. 1, figs 10, 11). Figs 5, 7–9. Raphe valves in LM. Figs 6, 10. Rapheless valve of Planothidium distinctum in LM. Scale bar = 10 µm. Figs 5 and 6 are of the same specimen each at a different focus. Fig. 11. External view of raphid valve, note the hardly expanded proximal raphe endings. Fig. 12. External view of rapheless valve, note three rows of areolae becoming biseriate towards axial area. Fig. 13. Internal view of rapheless valve. Fig. 14. Whole frustule, external view of rapheless valve. Fig. 15. Internal view of raphid valve. Fig. 16. Details of internal view of valve with poroids on internal edge of mantle; number is exactly 3 x number of striae. Fig. 17. Internal view of rapheless valve with poroids. Note slightly curved valve end. Scale bars = 5 µm for figs 11– 15, 2 µm for figs 16, 17.
FIGURES 19–32 in Lectotypification, emended description and distribution of Planothidium distinctum (Achnanthidiaceae, Bacillariophyceae)
FIGURES 19–32: Planothidium distinctum LM and SEM images of specimens from Lake Lia lacustrine sediment. Figs 19– 20. LM of rapheless valves. Figs 21–28. LM of raphid valves. Fig. 29. External view of raphid valve. Note straight, simple raphe endings. Fig. 30. Internal view of raphe valve, note central raphe endings deflected in opposite directions. Fig. 31. Whole frustule, external view of rapheless valve. Valve and mantle, latter bears row of poroids with number exactly 3 x that of striae. Fig. 32. Internal view of rapheless valve. Scale bars = 10 µm for figs 19–28, 5 µm for figs 29–32.
FIGURE 1 in A contribution to the Flora of North America: synonymy and lectotypification of Coptis laciniata (Ranunculaceae)
FIGURE 1. Holotype (OSC-0000899) of Coptis venosa (A) and lectotype (OSC-0000897) of Coptis laciniata (B). Reproduced with permission of the keeper of the Oregon State University Herbarium (OSC). http://oregondigital.org/digcol/herbarium/.
FIGURE 2 in Nemesia arenifera (Scrophulariaceae), a new species from the Sandveld, Northern Cape Province, South Africa, and the lectotypification of N. viscosa
FIGURE 2.—Known distribution of Nemesia arenifera, based on specimens at PRE and NBG. Specimens collected through the National Herbarium Plant Collecting Programme (2005–2011), •; other collections, Θ.
FIGURE 1.—Nemesia arenifera. A in Nemesia arenifera (Scrophulariaceae), a new species from the Sandveld, Northern Cape Province, South Africa, and the lectotypification of N. viscosa
FIGURE 1.—Nemesia arenifera. A: habit. B: toothed leaf margin with glands. C–E: flower, C: front view at angle; D: side-view; E: viewed from below. F: mature capsule. G: seed. A–E: Steyn 967 (PRE); F & G: Bester 9508 (PRE). Scale bars: A, 10 mm; B, 0.35 mm; C, 1 mm; D & E, 1 mm (between D & E); F, 2 mm; G, 0.2 mm. Artist: G. Condy.
FIGURE 2 in Two lectotypifications and a new combination in Calendula (Asteraceae) for Flora Iberica
FIGURE 2. Additional labels attached to the lectotype (P00680154) of Calendula suffruticosa subsp. tomentosa (Ball) Murb. A. Manuscript including a draft of the diagnosis used for the publication of Calendula tomentosa by Desfontaines (his own handwriting); B. Indication of the collecting locality (handwriting of Brousssonet); C. Back of the label A. [reproduced with permission of the Muséum National d'Histoire Naturelle (MNHN), Paris Herbarium (P)].
FIGURE 1 in Two lectotypifications and a new combination in Calendula (Asteraceae) for Flora Iberica
FIGURE 1. Lectotype of Calendula suffruticosa subsp. tomentosa (Ball) Murb., based on the material used by Desfontaines to describe Calendula tomentosa Desf. in his Flora Atlantica (1799), deposited at P-Desf. (P00680154) [reproduced with permission of the Muséum national d'Histoire naturelle (MNHN), Paris Herbarium (P)].
FIGURE 2 in Lectotypification of Quercus brandisiana Kurz and the significance of the leaf epidermal features to its taxonomy
FIGURE 2. Leaf epidermal features of Q. brandisiana observed under LM (A & B) and SEM (C & D), bar = 50 µm. A. Adaxial side of leaf epidermis, arrows showing the single-celled trichomes; B. Fasciculate trichomes under LM, arrow indicating the no-pedestal trichome base; C. Fasciculate trichomes under SEM; D. "*" indicating the uniseriate trichome, arrows indicating the rounded thickening above the epidermal cells.
FIGURE 1 in Lectotypification of Quercus brandisiana Kurz and the significance of the leaf epidermal features to its taxonomy
FIGURE 1. Lectotype of Quercus brandisiana Kurz, Brandis, D. 477 (HBG-516853) (http://www.herbariumhamburgense.de/ herbarsheets/disk_batch06/medium/HBG-516853.jpg).
FIGURE 2. Andrographis stenophylla C.B. Clarke. A. Habit. B. Flower. C. Fruit. D. Calyx with glandular hairs. E. Seeds. F in Taxonomy, lectotypification and distribution of Andrographis stenophylla (Acanthaceae), a little known endemic species from southern India
FIGURE 2. Andrographis stenophylla C.B. Clarke. A. Habit. B. Flower. C. Fruit. D. Calyx with glandular hairs. E. Seeds. F. SEM photograph of seed. G & H. SEM photographs of seed showing surface ornamentation (Photos G. Gnanasekaran).
FIGURE 1. Andrographis stenophylla C.B. Clarke. A. Habit. B. Flower. C. Calyx. D. Opened corolla. E. Carpel. F. Fruit. G in Taxonomy, lectotypification and distribution of Andrographis stenophylla (Acanthaceae), a little known endemic species from southern India
FIGURE 1. Andrographis stenophylla C.B. Clarke. A. Habit. B. Flower. C. Calyx. D. Opened corolla. E. Carpel. F. Fruit. G. Seed (G. Gnanasekaran 126803, MH).
FIGURES 41–43 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURES 41–43: Cocconeis pinnata from Tahiti Island (SEM). Internal views of the RV. Fig. 41: complete valve, without the RV valvocopula. Note the fine radiate striation and absence of marginal rim. The helictoglossae are very close to the margin. Fig. 42: detail of the marginal oblong flame-like areolae and rounded areolae structured on a hexagonal pattern. Note the presence of short intercalary marginal striae (arrows). Fig. 43: detail of the simple and straight low raised helictogloss. Note the internal hymenate pore occlusion of the areolae. SEM, scale bars: Fig. 41: 5 µm; Fig. 42: 1 µm; Fig. 43: 0.4 µm.
FIGURES 30–35 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURES 30–35: Cocconeis pinnata from Tahiti Island (SEM). Internal views of the SV. Fig. 30: complete valve, with the SV valvocopula open at one apex (arrows). Fig. 31: detail of the areolae hymen with radial long slits. Fig. 32: SV valvocopula expending on the margin, with digitate long fimbriae taking place on the interstriae. The valvocopula manages a space between the valve and the copula (visible on the broken apex) and creates loculi (arrow). Figs 33, 34, 35, detail of the loculi and digitate fimbriae endings (arrows). SEM, scale bars: Fig. 32: 6 µm; Fig. 30: 5 µm; Fig. 34: 2 µm; Figs 33, 35: 1 µm; Fig. 31: 0.7 µm.
FIGURES 36–40 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURES 36–40: Cocconeis pinnata from Tahiti Island (SEM). External views of the RV. Fig. 36: complete valve, with the RV valvocopula open at one apex (arrows). Fig. 37: detail of the areolae on apex, and distal raphe ending close to the margin. Fig. 38: central area restricted and central raphe endings opposed and close to each other. Fig. 39: detail of the arborescent volae closing the areolae (most often two per areolae). Fig. 40: relatively narrow cingulum with a supplementary cingular band/copula (arrow). SEM, scale bars: Fig. 36: 7 µm; Fig. 40: 3 µm; Fig. 38: 2 µm; Fig. 37: 1 µm; Fig. 39: 0.3 µm.
FIGURES 19–25 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURES 19–25: Cocconeis pinnata from Tahiti Island (SEM). External views of the SV. Fig. 19, 20, 21: complete valve. Fig. 22: detail of the margin, with pearls-globular corpuscles spread on the striae. Figs 23, 24: apex and detail of the apically/axially elongated areolae in mid-valve. Fig. 25: open SV valvocopula (arrows). SEM, scale bars: Fig. 20: 8 µm; Fig. 21: 6 µm; Fig. 19: 5 µm; Fig. 24: 3 µm; Figs 22, 23, 25: 1 µm.
FIGURES 13–18 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURES 13–18. Cocconeis pinnata from Tahiti Island (LM). Fig. 13, RV striae (arrow). Fig. 14, RV showing the central raphe endings, and SV valvocopula (arrow). Fig. 15, RV, Fig. 16, SV, Fig. 17, RV with central raphe endings (arrow). Fig. 18, SV showing the digitate SV valvocopula. LM, scale bars: Figs 13–18: 10 µm.
FIGURES 26–29 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURES 26–29: Cocconeis pinnata from Tahiti Island (SEM). External views of the SV. Figs 26, 28, 29: details of the areolae from the margin of the valve, with complex arborescent volae and pearls-globular corpuscles in between. Fig. 27: detail of the axially elongated areolae in the mid-valve. SEM, scale bars: Fig. 27: 1 µm; Fig. 26: 0.7 µm; Figs 28, 29: 0.5 µm.
FIGURES 2–6 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURES 2–6: Fig. 2: Cocconeis pinnata var. artica Østrup (1910, pl. 13, fig. 13); Fig. 3a,b: C. pinnata illustrated by Grunow in Van Heurck (1880–1885, figs 6, 7); Fig. 4: C. pinnata Gregory ex Greville (Greville 1859, fig. 1); Fig. 5a,b,c,d,e: C. pinnata illustrated by Peragallo & Peragallo (1897–1908, pl. II, figs 11–14); Fig. 6a,b,c,d,e,f: C. pinnata illustrated by Schmidt (1877–1958, pl. 189, figs 1–5). LM, scale bars: 10 µm.
FIGURE 1 in Cocconeis pinnata W. Gregory ex Greville (Bacillariophyta): Lectotypification and an emended description after examination of type material and South Pacific specimens
FIGURE 1: Location of the Society Archipelago in the South Pacific and map of Tahiti Island showing the sampling site (north of 'Tombeau du Roi', 17° 31.405' S; 149° 31.106' W).
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.