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Registros recuperados: 13
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A conspectus of the native and naturalized species of Nephrolepis (Nephrolepidaceae) in the world Naturalis
Hovenkamp, P.H.; Miyamoto, F..
All species of the genus Nephrolepis are reviewed and described. 19 species are recognized, with 3 varieties, and 7 putative or confirmed hybrids are briefly discussed. Two new combinations are made, of which one as the result of a transferral of species to varietal rank. One variety and two hybrids are described as new. A change of name is proposed for the commonly recognized N. falcata and N. multiflora.
Tipo: Article / Letter to the editor Palavras-chave: Nephrolepis.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/525219
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Additions to the fern flora of Sulawesi Naturalis
Hovenkamp, P.H.; Joncheere, G.J. de.
A number of additions to the fern flora of Celebes are given here, including also the description of 15 new taxa in the Polypodiaceae, Cyatheaceae, Dennstaedtiaceae, Thelypteridaceae, Aspleniaceae, and Davalliaceae.
Tipo: Article / Letter to the editor
Ano: 1988 URL: http://www.repository.naturalis.nl/record/525691
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An account of the fern genus Belvisia Mirbel (Polypodiaceae) Naturalis
Hovenkamp, P.H.; Franken, N.A.P..
The genus Belvisia is revised. Two species are transferred from Lemmaphyllum to Belvisia, and two species are reduced to varieties. The genus now includes eight species, reaching from tropical Africa to China, Polynesia, and Australia.
Tipo: Article / Letter to the editor
Ano: 1993 URL: http://www.repository.naturalis.nl/record/524951
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Announcement Naturalis
Hovenkamp, P.H..
Tipo: Article / Letter to the editor
Ano: 2008 URL: http://www.repository.naturalis.nl/record/525015
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Dryopteris expansa (Presl) Fraser-Jenkins & Jermy (Lichtgroene stekelvaren) ook in Nederland Naturalis
Hovenkamp, P.H.; Viane, R.L.L.; Bremer, P..
Dryopteris expansa was recently discovered at two localities in the Netherlands (Havelterberg, prov. of Drenthe; Kuinderbos, prov. of Flevoland). Its diagnostic characters and taxonomic status are discussed. The taxon is morphologically very similar to D. dilatata and can only be identified by means of microscopical research (microglands c. 80 µm against c. 110 µm in D. dilatata; the diploid chromosome number whereas D. dilatata is a tetraploid). Nevertheless it is concluded that it must be regarded as a separate species. In the field D. expansa resembles Athyrium filix-femina in the light green colour and the soft texture of the lamina.
Tipo: Article / Letter to the editor
Ano: 1990 URL: http://www.repository.naturalis.nl/record/527546
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Hans Nooteboom 80 years Naturalis
Baas, P.; Hovenkamp, P.H.; Veldkamp, J.F..
Tipo: Article / Letter to the editor
Ano: 2014 URL: http://www.repository.naturalis.nl/record/524917
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In memoriam Colin Ernest Ridsdale (18 January 1944 – 5 January 2017) Naturalis
Baas, P.; Pereira, J.T.; Wong, K.M.; Hovenkamp, P.H.; Keßler, P.J.A.; Newbery, D.M..
Tipo: Article / Letter to the editor
Ano: 2017 URL: http://www.repository.naturalis.nl/record/625331
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In memoriam Jan-Frits Veldkamp: (31 March 1941 – 12 November 2017) Naturalis
Baas, P.; Hovenkamp, P.H..
Tipo: Article / Letter to the editor Palavras-chave: Memoriam Veldkamp; Jan-Frits.
Ano: 2018 URL: http://www.repository.naturalis.nl/record/645230
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Paraselliguea, a new genus of Malesian Polypodiaceae Naturalis
Hovenkamp, P.H..
The monotypic genus Paraselliguea is based on Polypodium leucophorum Baker, an aberrant Polypodiaceous fern endemic to Borneo
Tipo: Article / Letter to the editor
Ano: 1997 URL: http://www.repository.naturalis.nl/record/524521
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Paraselliguea, a new genus of Malesian Polypodiaceae, a correction Naturalis
Hovenkamp, P.H..
The monotypic genus Paraselliguea, based on Polypodium leucophorum Baker, is validated.
Tipo: Article / Letter to the editor Palavras-chave: Paraselliguea; Polypodiaceae; Malesia.
Ano: 2000 URL: http://www.repository.naturalis.nl/record/526151
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Polypodiaceae Naturalis
Hovenkamp, P.H..
Polypodiaceae Berchtold & J. Presl, Přir. Rostlin. 1 (1820) 272; Ching, Sunyatsenia 5 (1940) 257; Copel., Gen. Fil. (1947) 174; Holttum, Revis. Fl. Malaya 2 (1955) 129; Copel., Fern Fl. Philipp. (1960) 453; Hennipman et al. in Kramer & Green, Fam. & Genera Vase. PI. 1 (1990) 203. — Type genus: Platyceriaceae Polypodium. Ching, Sunyatsenia 5 (1940) 256. — Type genus: Drynariaceae Platycerium. Ching, Acta Phytotax. Sin. 16 (1978) 1. — Type genus: Drynaria. Rhizome creeping, dorsiventral, with two alternating dorsal rows ofphyllopods and two alternating lateral rows of buds; scales basifixed, pseudopeltate to peltate, clathrate or isotoechous, margin entire to ciliate. Anatomy: ground tissue parenchymatous or rarely sclerenchymatous, with or...
Tipo: Article / Letter to the editor
Ano: 1998 URL: http://www.repository.naturalis.nl/record/532732
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Reviews Naturalis
Hovenkamp, P.H.; Veldkamp, J.F.; Nooteboom, H.P.; Nooteboom, H.P.; Hovenkamp, P.H.; Ridsdale, C.E..
DUNCAN, B.D. & G. ISAAC. Ferns and allied plants of Victoria, Tasmania and South Australia. Melbourne University Press, Melbourne. 1986. xii, 258 pp., line drawings, maps, b/w photogr., 8 col. pl. In Europe available from HB Sales, Littleton Road, Ashford TW15 1UQ, U.K. Ł 25.00. ISBN 0-522-84262-3. A beautifully and lavishly illustrated, thorough account of the 128 ferns and fern-allies of the Southernmost extremities of the Australian subcontinent. For the Malesian oriented scientist primarily interesting because of the excellent view it offers of a flora that is close to the Malesian flora on the generic level (almost 90% of the genera enumerated in common) and at the same time very distinct on the specific level (hardly 16% in common).
Tipo: Article / Letter to the editor
Ano: 1987 URL: http://www.repository.naturalis.nl/record/532911
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Selliguea sri-ratu, a new species in Polypodiaceae Naturalis
Hovenkamp, P.H..
In a revision of the Malesian representatives of the genus Selliguea (Polypodiaceae) several recently collected specimens form Borneo were found to represent a very distinct, but hitherto undescribed species. From the few collections seen so far, it appears that the new species is not a very narrow endemic, and the fact that it has only been collected after 1970 probably is an indication of the increasingly intensive exploration of Borneo in recent times. In so far as the specimens had been identified, the names S. feei Bory and S. heterocarpa (Blume) Blume had been applied. In general habit, the species is closest to S. heterocarpa, but can be distinguished by the following characters: Selliguea heterocarpa — Rhizome 2-4 mm thick; rhizome scales peltate,...
Tipo: Article / Letter to the editor
Ano: 1996 URL: http://www.repository.naturalis.nl/record/524478
Registros recuperados: 13
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