Pteridology
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Recent papers in Pteridology
During the last years in the Ruhr area and in the Rheinland area several fern species have been detected new to the wild flora of Germany. These are the neophytic taxa Adiantum raddianum, Pteris cretica, Pteris cretica var. albo-lineata,... more
Extensive field work in hilly regions, plain lands, wet lands, agricultural fields and arid regions of the Gujarat state was carried out in all 33 districts in 2013-14. From the total collection, five species differed from the earlier... more
This study assessed the diversity and abundance of ferns species in ten 10 m × 10 m plots which were established each, in less disturbed forest, most-disturbed forest and urbanized areas within the main campus of Universiti Sains... more
Floral Survey of Ferns in Nadia District of West Bengal, India
Praptosuwiryo TNg. 2017. Spore germination and early gametophyte development of Platycerium wandae (Polypodiaceae) from Papua, Indonesia. Biodiversitas 18: 175-182. Studies on gametophyte development in ferns are very important, as the... more
The three Isoetes species recorded from Thessalia (Thessaly) in N Greece by Haussknecht, in 1899, under the names I. setacea, I. heldreichii, and I. phrygia, were reassessed using megaspore and microspore ornamentation in addition to... more
Diplazium esculentum (Retz.) Swartz (D. esculentum) or better known as fern vegetables have consumed and used by people to cure various diseases. Methanol extract of young leave of D. esculentum contains phytochemical compounds such as... more
There are few inventories of ferns and lycophytes of the Brazilian Amazon and most of them were made in areas of poor soils. The general species richness found in previous studies is low. This study presents an annotated list containing... more
Titien Ngatinem Praptosuwiryo & Dedy Darnaedi. 2014. The Stelar Anatomy of Stipe and its Taxonomic Significant in Diplazium (Athyriaceae). Floribunda 4(8): 195–201. —. Anatomical study on transection of stipe near lamina were carried out... more
An intensive field survey was carried out from the hilly regions, plains of different climatic regimes and agricultural land of Gujarat state. About 23 species were collected from Gujarat state, from which eight species viz.,... more
The paucity of published data on the diversity and richness of ferns in Bukit Hijau recreational forest and Sungai Sedim forest in Kedah, Malaysia, prompted this study. This was to provide a baseline checklist of the ferns in these two... more
Heavy metals particularly Arsenic has been reported to alter the internal structures of plants in various ways due to higher levels of toxicity. The impacts of varying concentrations (0 mg/Kg, 30 mg/Kg, 90 mg/Kg and 150 mg/Kg) of Arsenic... more
Titien Ngatinem Praptosuwiryo. 2013. The Rare Pteridophytes of Mt. Slamet with Three Species New Records for Java. Floribunda 4(6): 138–146. –– It is estimated that Java has about 500 species of Pteridophytes. Nevertheless conservation... more
Praptosuwiryo TNg, Mumpuni M. 2018. Chromosome numbers of some species of Pteris (Pteridaceae) in Java, Indonesia. Biodiversitas 19: 2118-2126. Pteris L. (Pteridaceae) is a large fern genus consisting of about 250 species which... more
Elaphoglossum section Polytrichia is one of the main clades of the fern genus Elaphoglossum. It is usually distinguished from the rest of the genus by the presence of subulate scales and lack of hydathodes. Here we provide a nomenclatural... more
Osmunda angustifolia Ching ex Ching et Wang (Osmundaceae) was, formerly, known to be distributed in China (Guandong), Hainan, Hongkong, and Taiwan. Now, O. angustifolia is reported as a newly recorded species in Sumatra. A complete... more
Palacios-Rios, M. 1993. Osmundaceae. In: J. Rzedowski & G. Calderón de Rzedowski (eds.). Flora del Bajío y de regiones adyacentes 12:1-7.
Elaphoglossum Schott ex J. Sm. sect. Polytrichia Christ is characterized by the presence of subulate scales and the absence of hydathodes. We did a molecular phylogenetic analysis using three non-coding plastid markers and found that five... more
Al fumar Cannabis, no solo se están consumiendo delta-9-THC y cannabinoides, sino también la recombinación propia de todos los productos de la planta gracias a la combustión y la pirólisis, y que si se consigue la Cannabis en el mercado... more
Based on known data sets and maximum entropy distribution data of fern and lycopod species registered in the Yucatán Peninsula, track and parsimony analyses were undertaken to evaluate the contribution of these groups to the establishment... more
Palacios-Rios, M. 1993. Marattiaceae. In: J. Rzedowski & G. Calderón de Rzedowski (eds.). Flora del Bajío y de regiones adyacentes 13:1-6.
Germination of spores, growth and development of gametophytes in Pteris Vittata were investigated mainly to study sexual development and morphology of the gametophyte. Fifty spores of Pteris Vittata were sown in four sterile Petri dishes... more
The new names Asplenium luzonicum and A. perplexum are published to replace the homonyms A. cristatum Brack. and A. riparium Brack.; their nomenclatural history is reviewed and data are provided to support their retention as separate... more
Palacios-Rios, M. 1994. Las pteridofitas de Veracruz: Biodiversidad y problemática de su conservación. In: G. Castillo & M.T. Mejía (eds.) Problemática Ambiental en el Estado de Veracruz. Universidad Veracruzana-Colegio Profesional de... more
An intensive field survey was carried out from the hilly regions, plains of different climatic regimes and agricultural land of Gujarat state. About 23 species were collected from Gujarat state, from which eight species viz.,... more
Landschapsbiografisch; Historisch ecologisch onderzoek "De Vilt" deel 8. Excursie KNNV 26 januri 2021. Florqa, fauna, fytocoenologie, aardkunde, edafologie
Excursie van de KNNV Koninklijke Nederlandse Natuurhistorische Vereniging . Een historisch ecologische en landschapsbiografische studie van Driessenven, Rondven en Lelievennen. Flora, fauna, geologie, geomorfologie, vegetatiekunde,... more
Buy PTE certificate Online – Need Real Pte certificate for sale – Get original Pte certificate without Exam – I want PTE Certificate Buy registered Pte Certificate –Pte certificate for sale – Genuine certificate- original PTE the UK –... more
There has been paucity of information and inadequate studies on the invasive potentials of ferns as most invasive ecological studies have so far focused on higher plants across the continents. This paper therefore, reviews ferns... more
Titien Ngatinem Praptosuwiryo. 2011. Intraspecific Polyploidy in Coniogramme fraxinea (Pteridaceae) of Java. Floribunda 4(3): 70–74 — Cytological study on Coniogramme fraxinea (D. Don) Diels has been carried out by observing 15 collection... more
Camacho, M.R., D. Chávez, R. Mata & M. Palacios-Rios. 1992. Chemical Studies on Mexican Plants used in Traditional Medicine XXII: Constituents of Equisetum myriochaetum Schlecht. et Cham. Fitoterapia 63(5):471-472.
Palacios-Rios, M. 1995. Psilotaceae (Psilotum). In: G. Davidse, M. Sousa & S. Knapp (eds). Psilotaceae a Salviniaceae. Flora Mesoamericana 1:3-4.
The pteridological flora from Andalucía comprehends 30 genera, 68 species, 9 subspecies, 7 varieties, 2 forms and 7 hybrids. Ecology, phytosociology, vegetation stage and regional chorology is given for each specie.
The pteridofloras of nine locations in the Gibraltar Arc were analyzed using a taxonomic distinctness index. We found that the index could be a proxy of historical biogeography of the pteridofloras from this area. Moreover, the value of... more
Landschapsbiografische, historisch ecologische studie Maurik, Langven, Raam, Russendael, Campagne. Excursie 28 juli 2020 KNNV Flora, fauna, fytocoenologie, geohydrologie, geologie, geomofologie
Se presenta el catálogo comentado de las especies colombianas de Pecluma M.G. Price (Polypodiaceae). Se analiza la variabilidad morfológica del género en Colombia, se presentan comentarios para facilitar su reconocimiento y claves para... more