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78 results for “Polypodiopsida”
FIGURE 1. A–D in The fern family Gleicheniaceae (Polypodiopsida) in Brazil
FIGURE 1. A–D. Dicranopteris flexuosa (Dittrich 2012, CESJ). A. Detail of the abaxial segment surface. B. Detail of the abaxial segment surface showing the globose glandular hairs on the secondary veins. C. Rhizome hairs. D. Bud hairs. E–H. Dicranopteris nervosa (Salino 6470, BHCB). E. Detail of the abaxial segment surface. F. Rhizome hairs. G. Bud hairs. H. Hairs of the abaxial segment surface. I–M. Dicranopteris rufinervis (Viveros 26, BHCB). I. Detail of the abaxial segment surface. J. Detail of the abaxial segment surface showing bacilliform glandular hairs on the secondary veins. K. Rhizome hairs. L. Bud hairs. M. Hairs of the abaxial midrib surface. N–Q. Dicranopteris seminuda (Rodriguez 3406, COL). N. Detail of the abaxial segment surface. O. Rhizome hairs. P. Bud hairs. Q. Hairs of the abaxial segment surface. R–U. Gleichenella pectinata (Gonzatti 1913, CESJ). R. Detail of the abaxial segment surface. S. Rhizome hairs. T. Bud hairs. U. Hairs of the abaxial segment surface.
FIGURE 9 in The fern family Gleicheniaceae (Polypodiopsida) in Brazil
FIGURE 9. Distribution of five taxa of Sticherus in Brazil. A. Sticherus longipinnatus, S. paulistanus. B. S. nigropaleaceus and S. salinoi. C. S. pruinosus and S. remotus. D. S. squamosus.
FIGURE 7. A–E in The fern family Gleicheniaceae (Polypodiopsida) in Brazil
FIGURE 7. A–E. Sticherus nigropaleaceus (Lima 20, CESJ). A. Detail of the abaxial segment surface. B. Rhizome scale. C. Bud scale. D. Rachis scale. E–I. S. paulistanus E. Detail of the abaxial segment surface. F. Rhizome scale. G. Bud scale. H. Rachis scale. I. Arachnoid scale of the abaxial side of the laminae. J–N. S. lanuginosus (Novelino s.n., CESJ 29978). J. Detail of the abaxial segment surface. K. Rhizome scale. L. Bud scale. M. Rachis scale. N. Arachnoid scale of the abaxial side of the laminae. O–R. S. longipinnatus (Maciel 780, BHCB). O. Detail of the abaxial segment surface. P. Rhizome scale. Q. Bud scale. R. Rachis scale. S. Anchor-shaped scale of the abaxial rachis surface.
FIGURE 3 in The fern family Gleicheniaceae (Polypodiopsida) in Brazil
FIGURE 3. Distribution of five taxa of Gleicheniaceae in Brazil. A. Dicranopteris flexuosa. B. D. nervosa and D. seminuda. C. D. rufinervis. D. Gleichenella pectinata.
FIGURE 8. Habit. A. Sticherus lanuginosus. B. S. longipinnatus. C. S. nigropaleaceus. D. S in The fern family Gleicheniaceae (Polypodiopsida) in Brazil
FIGURE 8. Habit. A. Sticherus lanuginosus. B. S. longipinnatus. C. S. nigropaleaceus. D. S. paulistanus.
FIGURE 2. Habit. A. Dicranopteris rufinervis. B. D. flexuosa. C. D. nervosa. D. D. seminuda. E in The fern family Gleicheniaceae (Polypodiopsida) in Brazil
FIGURE 2. Habit. A. Dicranopteris rufinervis. B. D. flexuosa. C. D. nervosa. D. D. seminuda. E. Gleichenella pectinata.
FIGURE 6 in The fern family Gleicheniaceae (Polypodiopsida) in Brazil
FIGURE 6. Distribution of five taxa of Sticherus in Brazil. A. Sticherus bifidus. B. S. brevitomentosus and S. holttumii. C. S. gracilis. D. S. lanuginosus.
FIGURE 1. Sticherus holttumii. A. Habit. B in Sticherus holttumii (Gleicheniaceae, Polypodiopsida), a new species from Brazil, and the first Brazilian record of Sticherus brevitomentosus
FIGURE 1. Sticherus holttumii. A. Habit. B. Abaxial surface of rachis. C. Abaxial surface of segment. D. Rachis scale. E-F. Rhizome scale, showing the morphological variation. G. Bud scale.
FIGURE 2 in Cyathea ruttenbergii, a new tree fern (Cyatheaceae, Polypodiopsida) from Puerto Rico
FIGURE 2. Field characters of Cyathea ruttenbergii and similar species. A. Cyathea ruttenbergii, fertile frond, adaxially (Luquillo Mountains, Rio Grande, Puerto Rico). B. Cyathea pungens, fertile frond, adaxially (Pilcopata, Cusco, Peru). C. Cyathea borinquena, fertile frond, adaxially (Luquillo Mountains, Rio Grande, Puerto Rico). D. Cyathea ruttenbergii, trunk apex. E. Cyathea pungens, trunk apex. F. Cyathea borinquena, trunk apex. G. Cyathea ruttenbergii, petiole. H. Cyathea pungens, petiole. I. Cyathea borinquena, petiole. All photos by A. Tejedor.
FIGURE 2 in Typification of the Linnaean name Onoclea polypodioides, type of the fern genus Gleichenia (Gleicheniaceae, Polypodiopsida)
FIGURE 2. Neotype of G. polypodioides: G. Rouhan et al. 1747 (P P02434554). This image is © copyright of the Muséum National d'Histoire Naturelle (MNHN)—Paris Herbarium (P).
FIGURE 1. Onoclea polypodioides L in Typification of the Linnaean name Onoclea polypodioides, type of the fern genus Gleichenia (Gleicheniaceae, Polypodiopsida)
FIGURE 1. Onoclea polypodioides L. housed at LINN (1242.3). This image is © copyright of The Linnaean Society of London.
FIGURE 3 in Typification of the Linnaean name Onoclea polypodioides, type of the fern genus Gleichenia (Gleicheniaceae, Polypodiopsida)
FIGURE 3. Neotype of G. polypodioides: G. Rouhan et al. 1747 (P P02434554). A-B. Habit of G. polypodioides. C. Frond primary branch, showing the bud with pseudostipule. D. Secondary branch showing the bud without the pseudostipule. E. Ultimate branch adaxial surface. F. Ultimate branch abaxial surface. G. Detail of the ultimate branch abaxial surface showing the soral chamber. H. Rhizome detail showing the stellate scales. Scale bars = 5 mm.
FIGURE 1 in A new species of Lindsaea (Lindsaeaceae, Polypodiopsida) from Mt. Hamiguitan, Mindanao, Philippines
FIGURE 1. Strict consensus tree of three most parsimonious trees found in a combined analysis of trnL-trnF and trnH-psbA intergenic spacer regions. Jackknife support (>50%) is indicated below the branches.
FIGURE 2. A–C. Lindsaea hamiguitanensis D.N.Karger & V.B.Amoroso. A. Habit. B. Rhizome scale. C in A new species of Lindsaea (Lindsaeaceae, Polypodiopsida) from Mt. Hamiguitan, Mindanao, Philippines
FIGURE 2. A–C. Lindsaea hamiguitanensis D.N.Karger & V.B.Amoroso. A. Habit. B. Rhizome scale. C. Pinnule, abaxial, showing indusium. All from Karger 444 (Z).
FIGURE 1 in Taxonomic update, distribution and conservation status of grammitid ferns (Polypodiaceae, Polypodiopsida) in Veracruz State, Mexico
FIGURE 1. Map of Veracruz and bordering states, Mexico, indicating Los Tuxtlas and central montane area around the capital city of Xalapa.
FIGURE 11. Cyathea latevagans. A in Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?
FIGURE 11. Cyathea latevagans. A. Part of caudex with petioles and a few scales (right) (Garcia-C. et al. 104, MO); B. Distal part of frond, reconstructed from several sheets (Kalbreyer 1327, K); C. Pinna abaxially, fertile (Kalbreyer 1327, K); D. Laminar scale (Garcia-C. et al. 104, MO); D. Paraphyses on receptacle (Garcia-C. et al. 104, MO).
FIGURE 7. Cyathea gibbosa. A in Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?
FIGURE 7. Cyathea gibbosa. A. Petiole scales (Lehnert 2106, STU); B. Pinna (Lehnert 2106, STU); C. Pinnule abaxially, fertile (Lehnert 2662, STU).
FIGURE 2 in Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?
FIGURE 2. Field characters: A1–E1. Trunk apex; A2–E2. Rachises and costules abaxially, showing different colors and indument; A3–E3. Details of petioles with different types of scales and scurf. A. Cyathea divergens, Costa Rica (Lehnert 2642); white areas on petioles indicate dry scurf, which elsewhere became wet and translucent. B. Cyathea carolihenrici, Bolivia (Lehnert 607). C. Cyathea maxonii, Costa Rica (Lehnert 2658). D. Cyathea meridensis var. meridensis (D1, 2) and var. obtecta (D3), Ecuador (Lehnert 2338 & 1079, respectively). E. Cyathea ebenina, Ecuador (Lehnert 1055). (© Marcus Lehnert)
FIGURE 6. Cyathea farinosa. A in Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?
FIGURE 6. Cyathea farinosa. A. Pinna; B. Larger pinnule adaxially, fertile; C. Segment abaxially, fertile (all from Karsten s.n., B).
FIGURE 9. Cyathea gracilis. A in Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?
FIGURE 9. Cyathea gracilis. A. Pinna (Lehnert 183, STU); B. Smaller pinnule abaxially, fertile (Purdie s.n., K).
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Allen Brain Atlas
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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.