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437 results for “morphological variability”
FIGURES 390–394 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 390–394. SEM micrographs of Achnanthidium pseudolineare Van de Vijver, Novais & Ector from Covas, Coura River, Minho basin, 21–09–2007 (224/07). 390. Detail of the apex of a raphe valve in external view, with the straight distal raphe ending. 391. Detail of the central area of a raphe valve in external view, bordered by spaced shorter striae formed by transapically elongated areolae, and the straight, not expanded, proximal pores. 392. Detail of the apex of a raphe valve in internal view, with the raphe ending in a small helictoglossa. 393. Detail of the apex of a rapheless valve in internal view. 394. Complete frustule in girdle view, with the slit-like areolae on the mantle. Scale bars = 1 μm.
FIGURES 175–258 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 175–258. LM micrographs of the type material and several populations of Achnanthidium nanum (F.Meister) Novais & Jüttner, comb. nov. from Portugal, Nepal, Scotland and Switzerland. 175–214. Côja, Alva River, Mondego basin, Portugal, 11-06-2007 (325/07). 215–238. Himalayan streams, Nepal, M62, K52, Helan 16 (NMW.C.2007.006.M62, NMW.C.2007.006.K52, NMW.C.2007.006.He16). 239–248. Foveran Burn, Mill of Newburgh, Scotland (NMW.C.2011.050.SEPA.1810037). 249–258. Achnanthes nana F.Meister (F. Meister collection, #2432), Riffelsee, Switzerland. Scale bar = 10 μm.
FIGURES 163–170 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 163–170. SEM micrographs with details of the type material of Achnanthes minutissima var. cryptocephala Grunow in Van Heurck (Van Heurck Types du Synopsis 238). 163. Apice of a raphe valve in external view, showing rounded areolae at the extremity and slit-like areolae in the valve margin. 164. Apice of a raphe valve in internal view, with the transapically elongated areolae in the valve margin. 165. Apice of a rapheless valve in external view, with the slit-like areolae in the valve margin and in the mantle. 166. Apice of a rapheless valve in internal view, with the transpically elongated areolae in the valve margin. 167. Central area of a rapheless valve in external view, with elliptical shape and bordered by alternating shorter and longer striae. 168. Central area of a rapheless valve in internal view, with elliptical shape and bordered by shorter striae. 169. Central area of a raphe valve in external view, showing the rectangular fascia and the straight not expanded proximal pores. 170. Central area of a raphe valve in internal view, showing the rectangular fascia and the proximal raphe pores slightly deflected into opposite directions. Scale bars = 1 μm.
FIGURES 395–398 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 395–398. SEM micrographs of Achnanthidium duriense Novais & Ector, sp. nov. from A-do-Bispo, Torto River, Douro basin, 18-08-2007 (129/07). 395. Raphe valve in external view. 396. Raphe valve in internal view. 397. Rapheless valve in external view. 398. Rapheless valve in internal view. Scale bars = 1 μm.
FIGURES 145–152 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 145–152. SEM micrographs with details of the type material of Achnanthes minutissima Kütz. (isotype material, Kützing's Algarum Aquae Dulcis Germanicarum, Decade VIII, no. 75, Kützing 301). 145. Apice of a rapheless valve in girdle view, with the slit-like areolae in the mantle. 146. Apice of a rapheless valve in external view, with the rounded areolae in the apice and transapically elongated areolae in the valve margin. 147. Central area of a rapheless valve in external view. 148. Central area of a rapheless valve in internal view, with the areolae covered by hymenes. 149. Central area of a raphe valve in external view, showing the straight proximal raphe pores. 150. Central area of a raphe valve in a tilted internal view, with the proximal raphe pores slightly deflected in opposite directions. 151. Apice of a raphe valve in external view, with the distal ending slightly deflected. 152. Apice of a rapheless valve in internal view, with the areolae covered by hymenes. Scale bars = 1 μm.
FIGURE 3. Leucoagaricus idae-fragum. A in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 3. Leucoagaricus idae-fragum. A Specimen from the holotype (LIP 97113001). B Label of the holotype collection. Photos by F. Dovana.
FIGURE 6 in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 6. Leucoagaricus idae-fragum. Microscopic features (from MCVE 29342). A Cheilocystidia. B Spores. C Basidia. D Elements of the pileus covering. Scale bars: 10 μm. Drawings by T. Lezzi.
FIGURE 8 in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 8. Leucoagaricus idae-fragum. Microscopic features (from CAG P.12_9/8.38). A Cheilocystidia. B Basidia. C Elements of the pileus covering. Scale bars: 10 μm. Drawings by T. Lezzi.
FIGURE 2. Leucoagaricus idae-fragum. A–F Fresh basidiomes. A Coll. MCVE 29362. B Coll. CAG P.12 in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 2. Leucoagaricus idae-fragum. A–F Fresh basidiomes. A Coll. MCVE 29362. B Coll. CAG P.12_9/8.38. C–F Coll. MCVE 29342. E Pileus surface and annulus. F Green reaction of the pileus surface with ammonia (left) and NaOH (right). Scale bars: 10 mm. Photos: A by M. Filippa; B by A. Tatti; C–F by T. Lezzi.
FIGURE 7. Leucoagaricus idae-fragum. Microscopic features. Coll. MCVE 29342 in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 7. Leucoagaricus idae-fragum. Microscopic features. Coll. MCVE 29342: A Elements of the annulus. B Caulocystidia. Coll. LIP 97113001, holotype: C Spores. D Cheilocystidia. Coll. MCVE 29362: E Elements of the pileus covering. F Cheilocystidia. G Spores. Scale bars: 10 μm. Drawings by T. Lezzi.
FIGURE 4. Leucoagaricus idae-fragum. Spores. A Coll. LIP 97113001 in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 4. Leucoagaricus idae-fragum. Spores. A Coll. LIP 97113001, holotype (in ammoniacal Congo Red). B Coll. MCVE 29362 (in ammoniacal Congo Red). C Coll. MCVE 29342 (in aqueous Congo Red). D Coll. CAG P.12_9/8.38 (in water). Scale bars: 10 μm. Photos: A–B by F. Dovana; C by M. Iannotti; D by A. Tatti.
FIGURE 1 in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 1. Bayesian phylogram obtained from the general nrITS sequence alignment of Leucoagaricus spp. Cystolepiota seminuda was used as outgroup taxon. Only BPP values ≥0.95 and MLB values ≥70% are given above clade branches. Newly sequenced collections are in bold.
FIGURE 5 in Molecular confirmation of Leucoagaricus idae-fragum (Agaricales, Agaricaceae), and notes on its morphological variability
FIGURE 5. Leucoagaricus idae-fragum. Cheilocystidia (in ammoniacal Congo Red). A Coll. LIP 97113001, holotype. B Coll. MCVE 29362. C–F Coll. CAG P.12_9/8.38. G Coll. MCVE 29342. Scale bars: 10 μm. Photos: A–B by F. Dovana; C–F by A. Tatti; G by T. Lezzi.
FIGURE 7. Variability range for the chosen quantitative characters. Points indicate a median value, boxes represent 5 and 95 in A revision of taxonomic relation between Oenothera royfraseri and O. turoviensis (sect. Oenothera, subsect. Oenothera; Onagraceae) based on multivariate analyses of morphological characters
FIGURE 7. Variability range for the chosen quantitative characters. Points indicate a median value, boxes represent 5 and 95 percentile, whiskers around the boxes refer to 1 and 99 percentile; B – O. biennis, P – O. perangusta, R – O. royfraseri (including the specimens labelled as O. turoviensis, except the original material of the latter), T – O. turoviensis (the original material only).
FIGURE 1 in Variable morphology of the Madagascar endemic Aristida tenuissima (Poaceae: Aristidoideae) and the absence of Stipa (Poaceae: Pooideae, Stipeae) from Madagascar
FIGURE 1. Morphological variability in habit and awn within Aristida tenuissima. A-I: large plants with one-awned and three-awned spikelets on the same individual A large habit B spikelet with three unequal awns C spikelet with a single awn D lower glume, ventral view E upper glume, ventral view F floret G lower part of the floret and callus, lateral view H lemma surface with prickle hairs I lower part of the floret and callus, ventral view. J-L: medium-sized plants with one-awned spikelets J habit K spikelet with a single awn L ligule. M-O: small-sized plants with one-awned spikelets M habit enlarged N habit life size O spikelet with a single awn. P: spikelet with 3 equal awns. Scale bar: A, J, M = 4 cm; L = 1.3 mm; D,E = 2 mm; B, C, F, K, O, P = 3.3 mm; G, I = 1.1 mm; H = 0.5 mm; N = 1 cm. A-I drawn from Bosser 15438, J-L drawn from Bosser 15445, M-O drawn from Bosser 17926, P drawn from Perrier de la Bâthie 10866. Drawn by Lucy T. Smith.
FIGURES 14–19 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 14–19. Stomatocyst #49, Piątek J. observed in SEM: mature stomatocyst. Note the well developed the first collar and the second collar indicated by white and grey arrows respectively.
FIGURE 1 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURE 1. Location of the sampling site in Cameroon and the general view of a lake enclosed by the Guineo-Congolian rainforest (phot. M. Piątek).
FIGURES 8–13 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 8–13. Stomatocyst #49, Piątek J. observed in SEM: slightly immature stomatocyst. Note the first collar and the second collar indicated by white and grey arrows respectively.
FIGURES 2–7 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 2–7. Stomatocyst #49, Piątek J. observed in SEM: immature stomatocyst. Note the outline of the first collar and the second collar indicated by white and grey arrows respectively.
Figure 28 in The morphological and functional variability of pleon-holding mechanisms in selected Eubrachyura (Crustacea: Decapoda)
Figure 28. Phylogenetic relationship of the Thoracotremata, based on Tsang et al. (2014), with the condition of the pleon-holding mechanism observed in adult males in this study (black) or reported in the literature (grey: Guinot and Bouchard, 1998; Bouchard, 2000) noted. Square: sternal button; circle: pleonal socket; f: functional; nf: non-functional:?: unknown. Figure filled: structure present; figure empty: structure not present; figure half filled: mixed character states within the family; e: alternative attachment system involving an edge (sternite 4) present.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.