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Middle Eocene to earliest Oligocene dinoflagellate cysts from southern Armenia: biostratigraphy and palaeoecology Palynology (IF 1.5) Pub Date : 2024-04-16 Alina I. Iakovleva, Elena Y. Zakrevskaya, Ekaterina A. Shcherbinina
The results of a palynological study of the mid Eocene-lowermost Oligocene strata of the Shagap and Landzhar outcrop sections (southern Armenia) are presented. A series of stratigraphically importa...
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Larval diet of the carpenter bee Xylocopa (Neoxylocopa) cearensis (Hymenoptera: Apidae: Xylocopini) from Delta do Parnaíba Environmental Protection Area Palynology (IF 1.5) Pub Date : 2024-04-12 Harryson Corrêa Barros, Luciano André Chaves Ferreira, Albeane Guimarães Silva Almeida, Márcia Maria Corrêa Rego
The genus Xylocopa Latreille, 1802 (Apidae: Xylocopini) Latreille includes efficient pollinating bees that visit a wide range of botanical species. Although several studies have investigated their ...
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The biostratigraphy and palaeobiogeography of Cambrian and Ordovician acritarchs and chitinozoa from the Simeh-Kuh, NW Damghan City, the Alborz Mountains, northern Iran Palynology (IF 1.5) Pub Date : 2024-04-10 Mohammad Ghavidel-Syooki, Mohammad Hossein Piri-Kangarshah
A study in Simeh-Kuh, northern Iran, focuses on Ordovician strata, documenting acritarchs and chitinozoa, which is vital for understanding ancient environments. It aims to chronostratigraphically c...
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Pollen morphology of the genera Basananthe, Deidamia and Efulensia of the tribe Passifloreae (Passifloraceae sensu stricto) Palynology (IF 1.5) Pub Date : 2024-04-09 Ana Carolina Mezzonato-Pires, Gabriel Henrique Gomes de Souza Freitas Teixeira, Cláudia Barbieri Ferreira Mendonça, Vania Gonçalves-Esteves
Passifloreae is the largest tribe of the family Passifloraceae sensu stricto. Within the tribe, palynological studies are mostly restricted to the largest genus, Passiflora, given its expressive nu...
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Pollen Morphology of Asteraceae from Garhwal Himalaya (Uttarakhand, India): Part I Palynology (IF 1.5) Pub Date : 2024-04-09 Shivani Negi, Ruchita Rawat, Dinesh Singh Rawat, Prabhawati Tiwari
Palynotaxonomy is crucial for understanding plant evolution, biodiversity, and ecological history by systematically classifying and identifying species based on pollen morphology. In addition, a re...
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Comparative pollen morphology of the genus Iberis L. (Brassicaceae) in Turkey and its taxonomic implications Palynology (IF 1.5) Pub Date : 2024-04-08 Emre Çilden, Edibe Özmen-Baysal
In this study, we report the current palynological characteristics of Iberis taxa naturally distributed in Turkey. The pollen morphology of 10 native Iberis taxa was investigated across 35 populati...
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Pollen morphology of Taiwanese Asparagaceae species: insights from scanning electron microscopy Palynology (IF 1.5) Pub Date : 2024-03-29 Chien-Ti Chao, Hsy-Yu Tzeng, Yen-Hsueh Tseng
This study employed scanning electron microscopy to investigate the pollen morphology of Taiwanese Asparagaceae species, revealing that their pollen morphology closely aligns with that of other mon...
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Dr Arthur Harold Victor Smith (1923–2023) Palynology (IF 1.5) Pub Date : 2024-03-31 Duncan McLean, James B. Riding
Published in Palynology (Vol. 48, No. 2, 2024)
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Palynology of Huberia (Melastomataceae: Cambessedesieae): diversity and taxonomic implications Palynology (IF 1.5) Pub Date : 2024-03-22 Thayná Rosa Batista Martins, José Fernando Andrade Baumgratz, Cláudia Barbieri Ferreira Mendonça, Vania Gonçalves-Esteves
Huberia DC. is a genus belonging to the family Melastomataceae, which comprises 37 species distributed in vegetation formations of the Amazon Forest and Andes complex and the Atlantic Forest biome....
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Biostratigraphic Analysis of a Late Pleistocene to Holocene section from Punta Pescador, Eastern Venezuela Palynology (IF 1.5) Pub Date : 2024-03-09 David T. Pocknall, David M. Jarzen
A biostratigraphic study was undertaken on a shallow borehole drilled to 90 meters in the easternmost Orinoco Delta, Venezuela. Twenty-eight samples were analyzed for palynomorphs and foraminifera....
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Herbert J. Sullivan (1933–2023): an AASP pioneer Palynology (IF 1.5) Pub Date : 2024-03-07 Graham L. Williams
Published in Palynology (Vol. 48, No. 2, 2024)
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Dual nomenclature in organic-walled dinoflagellate cysts II: Spiniferites elongatus and S. membranaceus, and their equivalent non-fossil species Gonyaulax ovum comb. nov. and G. lewisiae sp. nov. Palynology (IF 1.5) Pub Date : 2024-02-29 Martin J. Head, Kenneth N. Mertens, Robert A. Fensome
The cyst-defined extant Spiniferites elongatus Reid 1974 and Spiniferites membranaceus (Rossignol 1964) Sarjeant 1970 are environmentally significant fossil-species of the Quaternary, the former of...
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Tectonic inferences from palynology of Permian sequences of the Godavari Coalfield, southern India Palynology (IF 1.5) Pub Date : 2024-02-26 Neha Aggarwal, Shreerup Goswami
Core samples from four boreholes (SAV-1, SAV-117, SAV-124, SAV-125) within the Vaddugudem block of the Godavari Valley Coalfield have been palynologically investigated to understand the stratigraph...
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Cancellidium intergraniferum (R. Potonié & S.C.D. Sah) G. Worobiec & E. Worobiec, comb. nov. from the Miocene of Poland, with remarks on the fossil history and palaeoecological potential of Cancellidium Palynology (IF 1.5) Pub Date : 2024-02-15 Grzegorz Worobiec, Elżbieta Worobiec, Marek Widera, Barbara Słodkowska
Fungal palynomorph corresponding to the fossil-species Lirasporis intergranifer R. Potonié & S.C.D. Sah, from the Middle Miocene lignite mine from Tomisławice (central Poland), was considered as a ...
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The palynology of purple honey: Kudzu dismissed, aluminum-sourwood reaction and other sources behind color plausible Palynology (IF 1.5) Pub Date : 2024-02-09 Sophie Warny, Jennifer M.K. O’Keefe, Carol Wymer, Ben Powell, David MacFawn
Here we present the palynological composition of a single sample of the elusive purple honey collected in southern North Carolina and discuss how it fits within a nearby statewide South Carolina me...
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Roger Neves (1932–2020) Palynology (IF 1.5) Pub Date : 2024-02-01 Duncan McLean, James B. Riding
Published in Palynology (Vol. 48, No. 1, 2024)
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Pollen morphology of Matthiola and the related genus Dvorakia (Brassicaceae) in Iran Palynology (IF 1.5) Pub Date : 2024-02-01 Somayeh Karami, Massoud Ranjbar
Our study focused on the pollen morphology of 13 species of Matthiola and the closely related genus Dvorakia. We used light and scanning electron microscopes to examine the importance of pollen cha...
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Contribution to the pollen morphology of Astragalus L. section Aegacantha Bunge (Galegeae-Fabaceae) and its systematic significance Palynology (IF 1.5) Pub Date : 2024-02-01 Amjad Khan, Mushtaq Ahmad, Amir Sultan, Zakir Ullah, Khawar Majeed, Tariq Ullah, Muhammad Zafar
Astragalus L. sect. Aegacantha Bunge includes 57 described species, mostly confined to Southwest Asia and Central Asia. We studied the pollen morphology of 17 species of this section present in Pak...
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Palynotaxonomy of species of Dendrophorbium (Asteraceae: Senecioneae) occurring in Brazil Palynology (IF 1.5) Pub Date : 2024-02-01 Thayná Rosa Batista Martins, Raquel Maria Batista Souza-Souza, Wellerson Picanço Leite, Roberto Lourenço Esteves, Cláudia Barbieri Ferreira Mendonça, Vania Gonçalves-Esteves
This article presents a pollen study of 13 species of Dendrophorbium (Asteraceae: Senecioneae) occurring in Brazil. Dendrophorbium has species distributed in the South and Southeast regions of the ...
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Outstanding botanical resources for Plebeia mansita (Apidae, Meliponini) in the Northern Argentine Yungas: botanical characterization of its honey and main nesting substrates Palynology (IF 1.5) Pub Date : 2024-02-01 Fabio Fernando Flores, Liliana Concepción Lupo, Norma Inés Hilgert
Plebeia mansita is a native stingless bee endemic to the Yungas whose populations are distributed in sectors above 1000 m a.s.l. Its honeys and other products are used by local residents for variou...
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Upper Cretaceous (Cenomanian) Palynostratigraphy and Palynofacies of the Shushan Basin, North Egypt Palynology (IF 1.5) Pub Date : 2024-02-01 Aya Raafat, Ahmed Zakaria
The current work can produce an updated quantitative analysis and prospective paleoenvironment reconstruction from Tut oil Field, Shushan Basin to evaluate the hydrocarbon reservoirs in space and t...
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Dual nomenclature in organic-walled dinoflagellate cysts I: concepts, methods and applications Palynology (IF 1.5) Pub Date : 2024-02-01 Martin J. Head, Kenneth N. Mertens, Robert A. Fensome
Dual nomenclature in dinoflagellates is supported under the current nomenclatural code for algae, fungi and plants and allows a fossil-defined (usually cyst) species to bear a name other than that ...
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Palynotaxonomy of the subtribe Anisopappinae (Athroismeae, Asteraceae) and the genus Duhaldea (Inuleae, Asteraceae) based on their exine ultrastructure Palynology (IF 1.5) Pub Date : 2024-02-01 António Pereira Coutinho, Santiago Ortiz, Daniela Cordeiro, Miguel Serrano, Mónica Zuzarte
The exine ultrastructure of 18 species of Anisopappus (Anisopappinae, Athroismeae, Asteraceae) and three species of Duhaldea (Inuleae, Asteraceae) was studied using transmission electron microscopy...
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‘The man who vacuum cleaned the Atlantic’ − the aerosol collector and Gunnar Erdtman’s attempts to measure pollen rain Palynology (IF 1.5) Pub Date : 2024-02-01 Kevin J. Edwards, Pia Östensson
In 1937, the Swedish palynologist Gunnar Erdtman (1897–1973) mounted two adapted vacuum cleaners atop an ocean-going liner and set out to obtain air samples as he crossed the Atlantic Ocean. The de...
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Basil Eric Balme (1923–2023): doyen of Australian palynology Palynology (IF 1.5) Pub Date : 2024-01-30 John Backhouse, Geoffrey Playford
Published in Palynology (Vol. 48, No. 2, 2024)
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Exotic pollen in sediments from the high Arctic Lake Tenndammen, Svalbard archipelago: diversity, sources, and transport pathways Palynology (IF 1.5) Pub Date : 2024-01-18 Anastasia Poliakova, Antony G. Brown, Inger G. Alsos
We analysed the pollen and spores extracted from 73 samples of lacustrine sediments from Colesdalen in Svalbard (Lake Tenndammen) as well as 10 soil samples collected from the lake’s shores. In tot...
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Çanakkale bee pollen: diversity, chemical composition, antioxidant and antibacterial properties Palynology (IF 1.5) Pub Date : 2024-01-18 Hanife Akyalçin, Mesut Can Topal
Çanakkale, Turkey, which straddles the continents of Europe and Asia, is a settlement centre with natural beauty divided by the Dardanelles Strait. This study determined the diversity, chemical com...
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Palynology of the uppermost Cretaceous to lowermost Paleocene Deccan volcanic associated sediments of the Mandla Lobe, central India Palynology (IF 1.5) Pub Date : 2024-01-18 Deepali Thakre, Bandana Samant, Dhananjay M. Mohabey, Steven R. Manchester, Satish Sangode
A palynological study of the uppermost Cretaceous–lowermost Paleocene sequences of the Deccan volcanic province in the Mandla Lobe of central India was carried out to understand floral diversity, p...
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New investigation of the cyst-motile relationship for Votadinium spinosum reveals a Protoperidinium claudicans species complex (Dinophyceae, Peridiniales) Palynology (IF 1.5) Pub Date : 2024-01-09 Kenneth Neil Mertens, Pjotr Meyvisch, Pieter Gurdebeke, Vera Pospelova, Kazumi Matsuoka, Gwenael Bilien, Haifeng Gu, Aika Yamaguchi
Protoperidinium claudicans is a planktonic, heterotrophic, bioluminescent dinoflagellate species commonly found in neritic waters. It has long been considered to display phenotypic variation in its...
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Pollen sources used by the stingless bee Schwarziana quadripunctata in coffee-growing landscape Palynology (IF 1.5) Pub Date : 2024-01-09 Caíque Barcellos da Silva, Anna Pazini Hautequestt, Vanessa Ribeiro Matos, Cláudia Barbieri Ferreira Mendonça, Vania GoncalvesLourençoEsteves, Leandro Freitas, Maria Cristina Gaglianone
Research on the food sources used by bees in agricultural landscapes are crucial to promote pollinator conservation measures in and around cultivated areas. This investigation aims to identify and ...
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Pollen morphology and its taxonomic potential in Stachytarpheta sect. Stachytarpheta (Verbenaceae) occurring in Brazil Palynology (IF 1.5) Pub Date : 2023-12-22 Pâmela Timóteo Patrício, Pedro Henrique Cardoso, Andrea Pereira Luizi-Ponzo
Verbenaceae is an important element of Neotropical flora, and Stachytarpheta is the second largest genus in the family. Whereas pollen morphology has helped in the differentiation of several taxono...
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The life and scientific work of Ebrahim Ghasemi-Nejad (1960–2020) Palynology (IF 1.5) Pub Date : 2023-12-21 Saeed Maleki
Published in Palynology (Vol. 48, No. 2, 2024)
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Beescapes – extracting pollen from historical Danish beeswax to explore honeybee foraging Palynology (IF 1.5) Pub Date : 2023-12-18 Tuuli M. Kasso, Annette Bruun Jensen, Samuel Johns, Mélanie Roffet-Salque, Matthew J. Collins, Renée Enevold
We extracted pollen from historical honeycomb specimens of beeswax to highlight the potential of beeswax as a source for palynological studies. The pollen composition was explored as a proxy for ho...
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Ordovician chitinozoans of the Miaopo Formation at Zhenjin, Upper Yangtze Platform, South China Palynology (IF 1.5) Pub Date : 2023-11-24 Yan Liang, Jaak Nõlvak, Olle Hints
Chitinozoan investigations on the late Middle to early Late Ordovician in South China are limited. Documented chitinozoan occurrences are mainly from the Miaopo Formation on the Upper Yangtze Platf...
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Dinoflagellate cyst distribution over the past 9 kyrs BP from offshore east Tasmania, southeast Australia Palynology (IF 1.5) Pub Date : 2023-11-21 Bradley Paine, Linda Armbrecht, Christopher Bolch, Andrew McMinn, Gustaaf M. Hallegraeff
Southeastern Australia’s marine waters are notably warming, surpassing global averages. This region has emerged as a strategic location for researching planktic microfossils, particularly dinoflage...
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The history of palynology in Egypt Palynology (IF 1.5) Pub Date : 2023-11-20 Ali Soliman, Haytham El Atfy
This contribution marks the achievements made in the past decades by a group of mainly Egyptian palynologists. The data generated covers a long-time span from the Precambrian to the Holocene of Egy...
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Floral resources of Epicharis flava (Hymenoptera, Apidae) in an urban area, detected from the pollen spectrum in the scopae Palynology (IF 1.5) Pub Date : 2023-11-17 Vanessa Ribeiro Matos, Maria Cristina Gaglianone
Bees are the main pollinators of terrestrial ecosystems and, among them, we can highlight oil-collecting bees, which show different morphological and behavioral adaptations associated with plants t...
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New dinoflagellate cyst species from the Middle Eocene of the Volgograd–Volga region, south-west Russia Palynology (IF 1.5) Pub Date : 2023-11-09 Olga N. Vasilyeva
The Keresta Formation, located in the Volgograd–Volga region (the Volga–Caspian subregion of south-west Russia) has been dated as Middle Eocene, Lutetian, based on dinoflagellate cysts of the Ennea...
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Chemical processing of fossil phyllocarid cuticle: a comparison of micro- and macrofossil remains Palynology (IF 1.5) Pub Date : 2023-10-30 Vojtěch Kovář, Matěj Šilinger, Oldřich Fatka, Rainer Brocke
Cuticular remains of the phyllocarid crustaceans Caryocaris? and Ceratiocaris? obtained via maceration of macrofossil remains in hydrofluoric acid are compared with dispersed fragments isolated usi...
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Pollen morphology of Ipomoea L. from Garhwal Himalaya, India Palynology (IF 1.5) Pub Date : 2023-10-30 Prabhawati Tiwari, Ruchita Rawat, Shivani Negi, Dinesh Singh Rawat
Pollen morphology serves as a valuable tool for identification, phylogenetic analysis and evolutionary studies. The present study aims to investigate the pollen morphology of 12 species of the genu...
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Palaeoenvironments and palaeoclimate of the uppermost Cuyo Group and lowermost Lotena Group at Quebrada Álvarez, Picún Leufú Sub-basin, Patagonia, Argentina: a preliminary study based on palynology Palynology (IF 1.5) Pub Date : 2023-09-14 Amira Celeste Chalabe, Daniela Elizabeth Olivera, Marcelo Adrián Martínez, Carlos Zavala
The palynological (palynostratigraphical/palynofacies) analysis of samples from the Middle Jurassic outcrop at the Quebrada Álvarez section located in the Neuquén Basin, Patagonia, Argentina, allow...
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The vertical distribution of modern pollen in the southeastern edge of the Tibetan Plateau, China Palynology (IF 1.5) Pub Date : 2023-09-13 Changting Chi, Xiayun Xiao, Jianjun Wang, Rui Ke, Baoyan Jia
The tropical mountainous area of the southeastern Tibetan Plateau (TP) is a hotspot of ecological environment research because of its rich biodiversity. However, limited knowledge regarding modern ...
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Pollen morphology characterization of Dryades Groppo, Kallunki & Pirani, a new genus of Rutaceae, and its phylogenetically related species Palynology (IF 1.5) Pub Date : 2023-09-13 Fernanda Vitorete Dutra, Milton Groppo, Eduardo Custódio Gasparino
Rutaceae (Sapindales) is represented by approximately 2040 species and 150–170 genera. Conchocarpus is the genus with the highest number of species and is circumscribed by a combination of characte...
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Diversity matters: Diet of Apis cerana in southeast India includes one consistently occurring and several seasonally available floral sources Palynology (IF 1.5) Pub Date : 2023-09-08 Jean Lazar, Srinivasan Prasad, Doris Barboni, Lipi Das, Vadivelu Kumaresan, Krishnamurthy Anupama
Little is known about the agroecological implications of the Asian honey bee Apis cerana Fabricius in its vast native range including southeast India. To identify the foraging preferences of this g...
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Valvaeodinium hymenosynypha (Morbey) comb. nov., a dinoflagellate cyst from the uppermost Triassic and lowermost Jurassic (Rhaetian and Hettangian) of Europe Palynology (IF 1.5) Pub Date : 2023-09-05 Sofie Lindström
Cymatiosphaera hymenosynypha Morbey 1975, previously recorded from the Rhaetian Westbury Formation in the United Kingdom, occurs in Triassic–Jurassic boundary strata from Denmark. From the present ...
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Palynotaxonomy of Calea sect. Meyeria (Asteraceae: Neurolaeneae) Palynology (IF 1.5) Pub Date : 2023-09-05 Simone Cartaxo-Pinto, Ilgner Fernando Tavares Vieira, Jeane Marinho Nascimento, Vinicius R. Bueno, Gustavo Heiden, Cláudia Barbieri Ferreira Mendonça, Vania Gonçalves-Esteves
Calea comprises 157 species that occur in the Neotropics. The genus is organized into eight subgenera and 18 sections. Calea sect. Meyeria consists of eight species occurring exclusively in south-c...
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Palynology of the Triassic–Jurassic transition of the Danish Basin (Denmark): a palynostratigraphic zonation of the Gassum–lower Fjerritslev formations Palynology (IF 1.5) Pub Date : 2023-08-31 Sofie Lindström, Gunver Krarup Pedersen, Henrik Vosgerau, Jussi Hovikoski, Karen Dybkjær, Lars Henrik Nielsen
The Upper Triassic–Lower Jurassic succession in the Danish Basin is penetrated by many deep wells that were drilled during former hydrocarbon exploration campaigns, but it is today targeted for geo...
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Relationship between pollination syndromes, pollen morphology and plant ecology in Quaternary deposits of the Cerrado Palynology (IF 1.5) Pub Date : 2023-08-30 Katerine Escobar-Torrez, Raquel Franco Cassino, Marie-Pierre Ledru
This study presents morphological descriptions and ecological information for 58 terrestrial pollen taxa and seven water-related pollen taxa from the Brazilian Cerrado, obtained from two sediment c...
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Pollen morphology of columnar cacti from Tehuacán-Cuicatlán Valley, Mexico Palynology (IF 1.5) Pub Date : 2023-08-26 Laura Elena Gómez-Lizárraga, Elia Ramírez-Arriaga, María Berenit Mendoza-Garfías, Mercedes B. Prámparo, Alfonso Valiente-Banuet
ABSTRACT The most important centre of diversity and endemism of columnar cacti in Mexico is the Tehuacán-Cuicatlán Valley (Puebla-Oaxaca states). The aims of this paper are (1) to provide a detailed description of the recent pollen morphology of 19 registered species that are found in this valley and (2) to develop a synoptic table to differentiate groups of species. This synoptic table is based on
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Organic-walled microfossils from the lower Cambrian of North Greenland: a reappraisal of diversity Palynology (IF 1.5) Pub Date : 2023-08-24 Elise Wallet, Ben J. Slater, Sebastian Willman
The early Cambrian Buen Formation (North Greenland) hosts an exceptionally rich fossil biota that has contributed significantly to our knowledge of early metazoans, yet the fossil remains of primar...
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Pollen morphology of Doronicum L. (Asteraceae: Senecioneae) from Turkey and its taxonomical implications Palynology (IF 1.5) Pub Date : 2023-08-06 Zeynep Büşra Erarslan, Şükran Kültür
The main purpose of this study is the palynological characterization of Doronicum L. taxa that occur naturally in Turkey. In this context, the pollen morphology of 11 species and one subspecies of ...
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Taxonomic significance of pollen morphology of selected taxa of Bassia, Sedobassia, Spirobassia and Neokochia (Chenopodiaceae/Amaranthaceae sensu APG IV) Palynology (IF 1.5) Pub Date : 2023-08-01 Zoya M. Tsymbalyuk, Lyudmila M. Nitsenko, Sergei L. Mosyakin
Based on molecular phylogenetic and morphological studies, the new genera Sedobassia Freitag & G. Kadereit and Spirobassia Freitag & G. Kadereit were described in the tribe Camphorosmeae (Chenopodi...
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Please write obituaries for your palynological heroes Palynology (IF 1.5) Pub Date : 2023-07-21 James B. Riding
Published in Palynology (Vol. 47, No. 3, 2023)
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A taxonomic study on pollen morphology, karyotype features, floral and fruit pigment components of 13 taxa of Lonicera L. Palynology (IF 1.5) Pub Date : 2023-07-19 Dalong Li, Xiaoou Zhai, Liwei Sun, Xing Ji, Sijia Zhang, Yujiao Zhang, Wenxiu Shen, Hui Zhang, Feng Qian, Huimin Liu
Due to extensive introduction and breeding, the taxonomic relationships of Lonicera L. are unclear. Alternative scientific methods are needed to explore the classification of these new Lonicera. In...
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Pollen morphology of endemic Linum species (Linoideae: Linaceae) from Mexico Palynology (IF 1.5) Pub Date : 2023-07-09 Juan González-Velasco, Iris G. Galván-Escobedo, Mireya Burgos-Hernández, Gonzalo Castillo-Campos
The morphological characteristics of pollen grains of Linum species in Mexico have not previously been evaluated in quantitative terms. This study reports statistical values of pollen characteristi...
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Peri-Gondwanan acritarchs and chitinozoans from the Lower–Middle Ordovician Lashkarak Formation in the Alborz Mountain Ranges, northern Iran: regional stratigraphical significance and palaeogeographical implications Palynology (IF 1.5) Pub Date : 2023-06-26 Mohammad Ghavidel-Syooki, Mohammad Hossein Piri-Kangarshahi
Abstract The Lashkarak Formation (Lower–Middle Ordovician) in the Gerdkuh locality, 10 km west of Damghan city, northern Iran, has been found to contain acritarchs and chitinozoans. This study aimed to understand these chitinozoan and acritarch successions as well as brachiopods in this part of the Alborz Mountains, in a novel manner. Ninety-seven surface samples from this succession were collected
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Botanical characterization of Apis mellifera honeys in areas under different degrees of disturbance in the southern Yucatan Peninsula, Mexico Palynology (IF 1.5) Pub Date : 2023-06-20 Amayrani Córdova-Rodríguez, Alejandro A. Aragón-Moreno, Gerald A. Islebe, Nuria Torrescano-Valle
Apiculture is an important economic activity in Mexico, and deforestation, extensive agriculture, and other types of land use threaten sustainable honey production. This study aimed to determine th...
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The Neogene-Quaternary palynological record of Castanea in the American southeast Palynology (IF 1.5) Pub Date : 2023-06-15 Fredrick J. Rich, Fredric L. Pirkle
The genus Castanea, divided into seven extant species of trees worldwide, includes the American chestnut, C. dentata. This once common North American tree has been nearly eliminated from the landsc...
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Miocene dinoflagellate cyst biostratigraphy of the Península Valdés, Patagonia, Argentina Palynology (IF 1.5) Pub Date : 2023-06-12 Sabrina Natalia Fuentes
Abstract The present work documents the stratigraphic distribution of dinoflagellate cysts from the upper part (60–585 m) of the YPF.Ch. PV. es-1 borehole, Península Valdés, Argentina. The assemblages exhibit a relatively moderate to low diversity. Most samples are characterized by frequent to abundant taxa of the order Gonyaulacales, such as Spiniferites/Achomosphaera spp., Reticulatosphaera actinocoronata