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Evidence for saprotrophic digestion of glossopterid pollen from Permian silicified peats of Antarctica Grana (IF 0.9) Pub Date : 2024-03-12 Stephen McLoughlin, Olena A. Shevchuk, Megan M. Windell, Ben J. Slater
Wind-blown pollen (pollen rain) is a major contributor to element cycling in modern forests and aquatic ecosystems, particularly in high-latitude and acidic settings where nutrients are a limiting ...
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Sensitisation profile to pollen allergens of selected grass and tree species in Filipino communities Grana (IF 0.9) Pub Date : 2024-03-04 Jeanny Punay, Ma. Femina Lucas, Ilanah Mae Arpon, Quarisabel Jalbuena, Pia Marie Albano, Maureen Sabit
Pollen allergy remains insufficiently studied in the Philippines despite its global significance. This community-based, cross-sectional study thus determined the sensitisation profile of Filipino i...
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Pollen variability in species of Dioscorea L. (Dioscoreaceae) Grana (IF 0.9) Pub Date : 2024-02-29 Fernanda Da Costa Alzer, Ricardo Couto, Vania Gonçalves-Esteves, Cláudia Barbieri Ferreira Mendonça
Dioscoreaceae is characterised by wide morphological variability, including hermaphrodite genera such as Tacca J.R.Forst. et G.Forst, Trichopus Gaertn., and Stenomeris Planch. and some dioecious sp...
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70. Bad Tölz, Egelsee (Bavaria, Germany) Grana (IF 0.9) Pub Date : 2024-02-29 Manfred Rösch, Arne Friedmann, Philipp Stojakowits
Published in Grana (Ahead of Print, 2024)
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Diversity in bee pollen from three phytogeographical regions in Turkey Grana (IF 0.9) Pub Date : 2024-02-29 İlginc Kizilpinar Temizer
Bee pollen is a mixture of bee secretions, plant pollen and nectar and has a valuable nutritional composition for both bees and humans. The aim of this study was to investigate plant diversity in p...
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Comparison of the melissopalynological, antimicrobial and organoleptic composition of honey samples from Apis mellifera L. and Apis florea Gaertn. in Sudan Grana (IF 0.9) Pub Date : 2024-02-23 Seif Eldin A. Mohammed, Abdalmaged Osman Dafalla, Mogbel El-Niweiri, Gamal E.B. El Ghazali
Honey from Apis mellifera and Apis florea was collected from western and eastern regions of Sudan and investigated for quantitative/qualitative pollen analysis, organoleptic characterisation, and a...
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Palynotaxonomy of Centauropsis (Compositae, Vernonieae) an endemic genus from Madagascar Grana (IF 0.9) Pub Date : 2024-02-21 Higor Antonio-Domingues, Benoit Loeuille, Isabel Larridon, Morgan R Gostel, Ana Rita Giraldes Simões
Centauropsis is a genus of eight species in the family Compositae, all of which are endemic to Madagascar. There is almost no information about the pollen of this genus, with only one species havin...
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Comparison of pollen characters in Lysiostyles Benth. and allied genera (tribe Maripeae – Convolvulaceae) Grana (IF 0.9) Pub Date : 2024-02-21 Daiane Alves Dos Santos, Débora Cavalcante De Oliveira, Mayara Pastore, Daniela Santos Carneiro-Torres, Francisco de Assis Ribeiro Dos Santos
Pollen morphology and ultrastructure was studied for the monotypic genus Lysiostyles (Convolvulaceae, tribe Maripeae) distributed in Guyana, Suriname and Venezuela. Lysiostyles scandens is a liana ...
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Modern pollen–vegetation relationship from the Mahasamund District (Chhattisgarh), central India: implications for palaeoecological reconstruction Grana (IF 0.9) Pub Date : 2023-12-12 Nagendra Prasad, Mohammad Firoze Quamar
The study of modern pollen–vegetation relationship is crucial for the proper interpretation of fossil pollen records. In the present study, a total of 29 surface samples, collected from the edge of...
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Melissopalynological analysis of Apis honey from northern districts of West Bengal Grana (IF 0.9) Pub Date : 2023-11-16 Samrat Saha, Riju Nath, Adrish Dey, Nripendra Laskar, Avijit Kundu
The assessment of botanical origin of honey in northern districts of West Bengal, viz. Coochbehar, Jalpaiguri and Alipurduar districts through melissopalynological analysis is the focus of this stu...
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Pollen morphology of the Brazilian species of Dyschoriste Nees and Hygrophila R.Br (Ruellieae, Acanthaceae) and its taxonomic significance Grana (IF 0.9) Pub Date : 2023-11-03 Fernanda Kalina Da Silva Monteiro, Maria Teresa Buril, José Iranildo Miranda De Melo
Acanthaceae is an eurypalinous and pollen morphology has been used in species delimitation and as a support to new taxa recognition. The aim of the present study is to provide new pollen descriptio...
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Lime tree honey resources in Eurasia Grana (IF 0.9) Pub Date : 2023-11-03 Ravil Kurmanov
The genus Tilia, commonly known as linden, basswood (North America) or lime tree (Eurasia), was investigated as a resource for honey. This article describes the results of melissopalynological anal...
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Integration of the pollen database PONET into PalDat with new features for light microscopy Grana (IF 0.9) Pub Date : 2023-11-03 Karen Koelzer, Martina Weber, Silvia Ulrich
Free access to scientific data, knowledge and technology transfer has become more and more important in science, at universities, governmental institutes, and in our society in general. In an inter...
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Pollen morphology of Artemisia L. (Asteraceae) in Turkey and its systematic value Grana (IF 0.9) Pub Date : 2023-11-03 Murat Kursat, Semsettin Civelek, Birol Baser, Fahrettin Ozbey, Irfan Emre
The objective of the current investigation is to use scanning electron and light microscopy to obtain pollen morphological information for all Artemisia taxa growing in Turkey. In addition, statist...
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Pollen morphology of selected Brazilian species of Abolboda Humb. et Bonpl. (Xyridaceae): a statistical approach Grana (IF 0.9) Pub Date : 2023-11-03 Cynthia Fernandes Pinto Da Luz, ValéRia Leobina Dos Santos, Gisele de Oliveira Silva, Maria Das Graças Lapa Wanderley
Previous studies on Abolboda pollen did not conduct statistical analyses of morphological data. Here, the pollen morphology of four Brazilian species and three varieties, represented by 13 herbariu...
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Pollen sources of Asian honeybee (Apis cerana Fabricius) in Paschim Medinipur district of West Bengal, India Grana (IF 0.9) Pub Date : 2023-10-30 Rajib Mondal, Nandita Das, Ujjwal Layek, Subrata Kumar De, Prakash Karmakar
The Asian honeybee (Apis cerana) occurs across the south, southeast and east Asia. The species is utilised in apicultural practices. But the available documents about their floral resources, especi...
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The study of pollen grains as a contribution to the taxonomy of Nissolia (Leguminosae – Papilionoideae – Dalbergieae) Grana (IF 0.9) Pub Date : 2023-08-07 Higor Antonio-Domingues, Ana Paula Fortuna-Perez, Mônica Lanzoni Rossi, Rafael Felipe de Almeida, Adriana Pinheiro-Martinelli, Gwilym Lewis, Cynthia Fernandes Pinto da Luz
Abstract Nissolia has one of the most complex taxonomic histories of the informal Adesmia clade. In order to find additional taxonomic relevant characters for this genus, we studied the pollen morphology, ultrasculpture, and ultrastructure of 21 species and a single variety of Nissolia using light, scanning, and electron transmission microscopy. Additionally, a principal component analysis was performed
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Melissopalynology of honey from the tropical central corridor of the Atlantic Forest, Bahia State, Brazil Grana (IF 0.9) Pub Date : 2023-07-31 Victor Leon Rocha Araújo, Jaílson Santos de Novais
Abstract The Central Corridor of the Atlantic Forest is noted for its biodiversity of flora and fauna, with a high number of endemic species. Studies that characterise the tropical bee flora and bee products in these areas are scarce. This study therefore sought to characterise the pollen spectrum of honey from Apis mellifera L. (Hymenoptera, Apidae) in some municipalities found in the Central Corridor
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Comparison of airborne Cupressaceae, Quercus and Poaceae pollen between Tulsa (Oklahoma) and Córdoba (Spain) Grana (IF 0.9) Pub Date : 2023-07-05 Ilanit Helfman-Hertzog, Carmen Galán, Estelle Levetin, Haim Kutiel, Tsila Hefer
Abstract This study focuses on the pollen season timing and intensity, and the influence of weather conditions, on airborne Cupressaceae, Quercus, and Poaceae pollen in two different biogeographical areas, Córdoba (Spain) and Tulsa, Oklahoma (USA), during 2010–2014. Pollen concentrations were recorded using Hirst-type spore traps. The meteorological parameters studied included temperature, relative
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69. Targuist mire (Central Rif, Morocco) Grana (IF 0.9) Pub Date : 2023-06-27 Daniel Abel-Schaad, Silvia Sabariego-Ruiz, J. Antonio Lopez Saez, Francisca Alba-Sanchez
Published in Grana (Vol. 62, No. 3, 2023)
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Characterisation of Kastamonu honeys by palynological and physicochemical methods Grana (IF 0.9) Pub Date : 2023-06-19 Hüsamettin Uzunca, Ömür Gencay Çelemli, Oktay Biyiklioğlu, Serhat Karabicak, Talip Çeter
Abstract Thirty-three honey samples were collected between 2017 and 2018 in Kastamonu Province, in order to characterise the palynological and physico-chemical properties of the honey produced in the western Black Sea region of Türkiye. Melissopalynological characteristics of the honey samples were determined based on the total pollen number in 10 g (TPN-10 g) along with the pollen taxa diversity.
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68. Raña de El Carrizal, Toledo Mountains (central Spain) Grana (IF 0.9) Pub Date : 2023-05-04 Reyes Luelmo-Lautenschlaeger, Sebastián Pérez Díaz, José Antonio López Sáez
Published in Grana (Vol. 62, No. 2, 2023)
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Pollen morphology of selected species of native Amazonian fruit trees occurring in Brazil Grana (IF 0.9) Pub Date : 2023-04-26 Natalia Moura de Araújo, Maria Lúcia Absy, Antônio Carlos Marques Souza, Vanessa Holanda Righetti de Abreu
Abstract Approximately 500 native edible fruits are known from Brazil with nearly 50% of these occurring in the Amazon. Pollen morphology of Brazilian plant species is poorly known yet it is important for scientific research. The aim of this study is to document the pollen morphology of 30 native edible fruit species belonging to 13 families. Following acetolysis the pollen was examined by light microscopy
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Botanical and geographical origins of some commercial Apis mellifera var. adansonii honeys from Nigeria Grana (IF 0.9) Pub Date : 2023-04-06 Kingsley Chinedu Daraojimba, Cynthia Fernandes Pinto Da Luz
Abstract In recent times, there has been an increase in adulterated honey in the commercial market owing to the lucrative nature of the honey business in Nigeria. Melissopalynology analyses can be used to obtain information about botanical and geographical origin of honey sources and to verify quality. Thus, this study was conducted to determine pollen composition and diversity in commercial honey
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Palynological characterisation of palm honey (Sabal yapa) produced in Yucatan (Mexico) Grana (IF 0.9) Pub Date : 2023-04-06 Kelly Cristina Durán-Escalante, Juan Javier Ortiz-Díaz, Juan Pablo Pinzón-Esquivel, María Amanda Gálvez-Mariscal, Rita Guadalupe Alfaro-Bates
Abstract The palm honey (Sabal yapa C. Wright ex Becc.) (Sabal honey henceforth) is one of 22 unifloral honeys recognised in the Yucatan Peninsula. This honey is harvested in February and March when Sabal yapa bloom but encompasses other important melliferous plants during the harvest season. A melissopalynological study of 24 honey samples from Tizimín, Yucatan (Mexico) was used to determine if Sabal
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Re-evaluation of Cerebropollenites thiergartii Eberh.Schulz 1967 and related taxa: priority of Sciadopityspollenites and nomenclatural novelties Grana (IF 0.9) Pub Date : 2023-02-17 Julia Gravendyck, Clément Coiffard, Julien B. Bachelier, Wolfram Kürschner
Abstract The important marker species for the base of the Jurassic, Cerebropollenites thiergartii, occurs contemporaneously with at least nine related taxa. However, their distinction is difficult and has been confused in the past. In addition, a long history of numerous recombinations with different genus names (e.g. Tsugaepollenites and Sciadopityspollenites), and inconsistent classifications or
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Investigation of pollen morphology of the genera Grammosciadium, Vinogradovia and Caropodium (Apiaceae) Grana (IF 0.9) Pub Date : 2023-02-22 Bariş Bani, Talip Çeter
Abstract In this study, detailed light microscopy (LM) and scanning-electron microscopy (SEM) analyses of pollen grains belonging to 11 taxa of genera Grammosciadium, Vinogradovia and Caropodium were performed. The pollen is radially symmetrical and generally isopolar with the exception of Grammosciadium macrodan ssp. nezaketiae where 65% of the grains have asymmetrical appearance. All the taxa are
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Botanical characterisation of natural honey samples from a high altitudinal region, Gümüşhane, east-Türkiye Grana (IF 0.9) Pub Date : 2022-12-20 Hakan Tosunoglu, Aycan Tosunoglu, Nilgün Ergün, Adem Bicakci
Abstract The aim of our study is to determine important honey resources and botanical characterisation of honey in a high-altitude region of Türkiye. Natural honey samples were collected from all possible locations in 2017. The melissopalynological analysis identified 14 unifloral honey samples, and many plants were also determined as important sources for multifloral honey. Principal component analysis
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The unique type of pollen grain of Dasistoma (Macranthera-Agalinis clade; Orobanchaceae): implications for taxonomy Grana (IF 0.9) Pub Date : 2022-12-12 Zoya M. Tsymbalyuk, Lyudmila M. Nitsenko, Sergei L. Mosyakin
Abstract Pollen morphology of six species from the Macranthera-Agalinis clade (Orobanchaceae) was studied using both light microscopy and scanning electron microscopy. Pollen grains are (2-)3(4-)-colpate, 3-brevicolpate and 4-, rarely 6-porate, obtate to prolate (P/E = 0.72–1.52) in shape; medium-sized and rarely large-sized (P = 26.60–50.54 µm, E = 22.61–47.88 µm). Three pollen types are found and
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Systematics of Zingiberaceae Grana (IF 0.9) Pub Date : 2022-12-12 Pu Zou, Mark Newman, Jing Ping Liao
Abstract The pollen morphology of 150 species representing 33 genera of Zingiberaceae was examined using light (LM) and scanning electron microscopy (SEM) as part of a comprehensive survey of this family. The pollen grains of the species studied are inaperturate, with a thin exine and thick intine, and with diverse ornamentation. This variation in the pollen suggests it may be a useful source of characters
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Palynology of Amicia Kunth. (Leguminosae – Papilionoideae – Dalbergieae – Informal Adesmia clade) set in a systematic and phylogenetic context Grana (IF 0.9) Pub Date : 2022-12-12 Higor Antonio-Domingues, Ana Paula Fortuna-Perez, Mônica Lanzoni Rossi, Adriana Pinheiro Martinelli, Gwilym Peter Lewis, Cynthia Fernandes Pinto da Luz
Abstract Amicia is the least diverse genus of the Adesmia clade. It has a disjunct distribution with six endemic species restricted to the central Andes of South America and one species endemic to Mexico. The phylogeny and taxonomy of this genus have been extensively studied. Nevertheless, pollen data are still insufficiently known within a taxonomic context. In this study, we analysed all Amicia species
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67. Tarskoe swamp, central Caucasus (North Ossetia, Russia) Grana (IF 0.9) Pub Date : 2022-11-23 Eleonora Yuzhanina, Natalia Ryabogina, Alexander Borisov, Idris Idrisov
Published in Grana (Vol. 62, No. 1, 2023)
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Fossil Parkia R.Br. (Fabaceae) pollen from the Miocene of western Amazonia Grana (IF 0.9) Pub Date : 2022-11-17 Carlos D’Apolito, Bianca Tacoronte Gomes, Fátima Praxedes Rabelo Leite, Silane Aparecida Ferreira da Silva Caminha
Abstract The legume genus Parkia R.Br. has a pantropical distribution and centre of diversity in the Amazon. The molecular phylogeny of the group indicates a Neotropical origin in the Amazon biome during the Miocene, and habitat reconstruction points to terra firme (unflooded) forests. We examined recently described fossil pollen from the Miocene Solimões Formation in western Brazilian Amazonia attributed
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66. Lake Vapsko-2, Rila Mountains (Bulgaria) Grana (IF 0.9) Pub Date : 2022-11-17 Spassimir Tonkov, Göran Possnert, Elena Marinova
Published in Grana (Vol. 62, No. 1, 2023)
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Impact of weather on the behaviour of Alternaria spore and Alt a 1 concentration in the air of Ankara (Turkey) Grana (IF 0.9) Pub Date : 2022-11-17 Şenol Alan
Abstract Intact fungal spores and smaller fungal fragments such as hyphae are sources of airborne allergens. Information on the distribution of sub-spore allergenic particles in the atmosphere is however limited. Therefore, the main aim of this study was to explore the behaviour of Alternaria aeroallergens in the atmosphere of Ankara, central Turkey. Aerobiological monitoring was carried out in the
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Rain’s role in pine reproductive biology Grana (IF 0.9) Pub Date : 2022-11-15 Claire G. Williams, Michael S. Greenwood
Abstract Rain-mediated reproduction, or hydrophily, is present in only 0.1% higher plant taxa. Pinus spp. is included on this list so here we present a synthesis illustrating three roles for rain in pine reproductive biology: pollen transport, pollen delivery and pollination. Pine pollen has been shown to survive long-range transport beneath and inside rain clouds after which germination still occurs
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An update to the palynotaxonomy of the Brazilian species of Aeschynomene sensu stricto and the recently circumscribed genus Ctenodon (Leguminosae – Papilionoideae – Dalbergieae) Grana (IF 0.9) Pub Date : 2022-11-15 Higor Antonio-Domingues, Lorena Lana Camelo Antunes, Mônica Lanzoni Rossi, Adriana Pinheiro Martinelli, Cynthia Fernandes Pinto da Luz
Abstract Pollen morphology and ultrasculpture are variable features and important tools to aid the taxonomy and systematics of Aeschynomene sensu stricto and the recently circumscribed genus Ctenodon. We performed a palynotaxonomy study of pollen morphology and ultrasculpture of nine species of Aeschynomene and 13 species of Ctenodon using light, scanning and electron transmission microscopy, and provided
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Pollen analysis of honey from Laghouat region (Algeria) Grana (IF 0.9) Pub Date : 2022-10-31 Rayan Bahloul, Salim Zerrouk, Rachid Chaibi
Abstract A microscopic analysis of 41 samples of honey obtained from several locations in the Laghouat region revealed the presence of 98 pollen types belonging to 48 families. Asteraceae, Fabaceae and Nitrariaceae were present in all the samples. Brassicaceae, Rhamnaceae and Apiaceae were identified in more than 80% of the samples. The families with highest diversity of pollen types were Fabaceae
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Pollen assemblage variability of Apis mellifera honeys (Diamante, Entre Ríos, Argentina) Grana (IF 0.9) Pub Date : 2022-10-31 Guillermina Andrea Fagúndez, Diego César Blettler, Marcia Ayelén Gallo
Abstract The pollen assemblage of 27 honey samples produced by Apis mellifera from three apiaries in the Diamante department, Entre Ríos (Argentina) were analysed. The study area is highly anthropised with cereal, oilseed and forage crops. The samples were obtained sequentially over four apicultural seasons (1999–2000; 2000–2001; 2001–2002; 2002–2003). In each season, one to three honey extractions
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Melissopalynology in Brazilian restinga areas, a mini review Grana (IF 0.9) Pub Date : 2022-10-10 Ortrud Monika Barth, Cynthia Fernandes Pinto da Luz
Abstract A restinga is an ecosystem of the Atlantic Forest biome that occurs along the Brazilian coastal plains. The restinga areas studied here occur in the states of Santa Catarina, São Paulo, Rio de Janeiro, Bahia, Alagoas, Paraíba and Maranhão. Honey, bee pollen, propolis and geopropolis produced by Apis mellifera and native stingless bees are characterised through the pollen morphology of bee
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65. Makri paleolake in Laganas, Zakynthos Island (Greece) Grana (IF 0.9) Pub Date : 2022-08-16 Andreas Koutsodendris
Published in Grana (Vol. 61, No. 5, 2022)
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64. Huzenbacher See Grana (IF 0.9) Pub Date : 2022-08-15 Manfred Rösch, Elena Marinova
Published in Grana (Vol. 61, No. 5, 2022)
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63. Dehesa de la Avellaneda, Gregos Range (central Spain) Grana (IF 0.9) Pub Date : 2022-08-12 José Antonio López-Sáez
Published in Grana (Vol. 61, No. 4, 2022)
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62. Königseggsee, Upper Swabia, Germany Grana (IF 0.9) Pub Date : 2022-08-12 Elske Fischer, Elena Marinova, Manfred Rösch
Published in Grana (Vol. 61, No. 4, 2022)
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61. A pollen record from Lake Öagöl (south-Swedish Uplands): 1500 years of land-use history Grana (IF 0.9) Pub Date : 2022-08-12 Erik Daniel Fredh
Published in Grana (Vol. 61, No. 4, 2022)
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Frans Florschütz as founding father of pollen analysis in the Netherlands, and expansion of palynology into the tropics Grana (IF 0.9) Pub Date : 2022-08-08 Henry Hooghiemstra, Keith Richards
Abstract Frans Florschütz (1887‒1965) developed pollen analysis in the Netherlands as a biostratigraphical tool on the interface between geology, palaeobotany, soil science and climate history. He was involved in agricultural practice and the building of large infrastructure. Florschütz established centres of pollen analysis at the universities in Wageningen (1924) and Utrecht (1928), was appointed
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Pollen morphology of Linum L. section Syllinum Griseb. (Linaceae) of Turkey Grana (IF 0.9) Pub Date : 2022-06-21 Nevin Şafak Odabaşi
Abstract This study presents the pollen morphology of 16 taxa of Linum L. section Syllinum Griseb., 13 of which being endemic to Turkey, by using light and scanning electron microscopy. All the pollen grains are trizonocolpate; however, some taxa were observed to have also hexacolpate grains along with trizonocolpate ones. The pollen grains are large, suboblate, less often oblate spheroidal in shape
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Flora visited by Melipona mondury Smith 1863 (Hymenoptera: Apidae: Meliponini) in a fragment of the Atlantic Forest in the state of Bahia, Brazil Grana (IF 0.9) Pub Date : 2022-06-20 Zaline dos Santos Lopes, Adriele Santos Vieira, Lorena Andrade Nunes, Rogério Marcos de Oliveira Alves, Ana Maria Waldschmidt
Abstract Tropical forests encompass a high diversity of plant species that depend on several pollinator bees, such as Melipona mondury. In the present study, we identified the pollen types in samples of honey, pollen (nest pots) and pollen baskets of M. mondury workers from a meliponary located in the Atlantic Forest of the state of Bahia, north-eastern Brazil. Samples of flowering plants were also
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Indoor air quality and diversity of fungi inside and outside residences of children with a history of allergy in Cuba Grana (IF 0.9) Pub Date : 2022-06-10 Kenia C. Sánchez Espinosa, Sonia Rodríguez Davydenko, Teresa I. Rojas Flores, Silvia J. Venero Fernández, Michel Almaguer
Abstract Several investigations suggest that the exposure to fungal allergens during childhood may increase the risk of sensitisation in children genetically predisposed to allergy. The objective of this study was to evaluate the quality and diversity of fungal propagules in indoor air, specifically in the bedrooms of children with a family history of allergy. The indoor and outdoor air was sampled
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60. Peat bog Vodniza, Rila Mountains (Bulgaria) Grana (IF 0.9) Pub Date : 2022-05-05 Spassimir Tonkov, Oliver Heiri, Andre Lotter
Published in Grana (Vol. 61, No. 4, 2022)
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59. The peat profile of Rue des Boîteux–Rue d’Argent (BR295), Senne valley, Brussels (Belgium) Grana (IF 0.9) Pub Date : 2022-05-05 Elena Marinova, Yannick Devos, Lien Speleers, Sylvianne Modrie
(2022). 59. The peat profile of Rue des Boîteux–Rue d’Argent (BR295), Senne valley, Brussels (Belgium) Grana: Vol. 61, No. 3, pp. 238-240.
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58. Ammer River Valley (south-western Germany) Grana (IF 0.9) Pub Date : 2022-05-04 Shaddai Heidgen, Annett Junginger, Elena Marinova
(2022). 58. Ammer River Valley (south-western Germany) Grana: Vol. 61, No. 3, pp. 235-237.
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Genus classification of Triprojectacites Mtchedlishvili, 1961 emend. Stanley 1970 Grana (IF 0.9) Pub Date : 2022-05-03 Yixiao Wu, Jianguo Li
Abstract Triprojectacites Mtchedlishvili, 1961 emend. Stanley 1970 is an important pollen group of the Northern Hemisphere palynofloras during the Late Cretaceous. It is featured by three, or occasionally four or five, projections at the equatorial zone of the body with colpate apertures and endexinous thickenings. This pollen group is very useful in the stratigraphic division and correlation for its
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A comparative melissopalynological study of royal jelly from Turkey Grana (IF 0.9) Pub Date : 2022-04-29 Gulsah Yil, Semiramis Karlidag, Abuzer Akyol, Abdurrahman Koseman, Ayşe Burçin Uyumlu, Murat Yilmaztekin, Selim Erdogan, Ibrahim Seker
Abstract Three treatments (Glucose, Sucrose, Bee Feed Syrup) were used to examine the influence of supplementary feeding on the pollen spectrum of the royal jelly produced by Apis mellifera L. colonies. Apis mellifera colonies were located in the Battalgazi and Dogansehir districts of Malatya province in Turkey. In total 255 royal jelly samples were investigated and the analysis recorded over 30 taxa
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Pollen development, pollenkitt production and the occurrence of protruding oncus in Garcinia dulcis (Roxb.) Kurz (Clusiaceae) Grana (IF 0.9) Pub Date : 2022-04-12 Pornsawan Sutthinon, Sriwipha Thonsaeng, Chalermpol Suwanphakdee, Kanin Rungwattana, Chatchalerm Ketwetsuriya, Upatham Meesawat
Abstract Garcinia dulcis (Roxb.) Kurz is a medicinal plant having potential as a source of medicinal ingredients, yet details of its reproductive biology, especially palynological features, remain largely unresearched. Therefore, a detailed description of pollen development and morphology, and pollenkitt production of G. dulcis, based on both light and electron microscopic analysis, was undertaken
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Pollen spectrum collected by Melipona quadrifasciata anthidioides Lepeletier, 1863 (Apidae: Meliponini) in an anthropized region of Caatinga Grana (IF 0.9) Pub Date : 2022-03-25 Adriele Santos Vieira, Zaline Dos Santos Lopes, Juliana Brito Santos, Lorena Andrade Nunes, Ana Maria Waldschmidt
Abstract The stingless bee Melipona quadrifasciata anthidioides is a major pollinator of the Brazilian semi-arid region (Caatinga), it is widely used in meliponiculture due to the economic value of the honey. The goals of this study were to identify the floral resources exploited by these bees in a human-modified area from Caatinga in Bahia, and to provide a pollen calendar that might be helpful to
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Pollen morphology, ultrasculpture and ultrastructure of Poiretia Vent. (Leguminosae – Papilionoideae – Dalbergieae – Adesmia informal clade) Grana (IF 0.9) Pub Date : 2022-01-18 Higor Antonio-Domingues, Ana Paula Fortuna Perez, Mônica Lanzoni Rossi, Adriana Pinheiro Martinelli, Cynthia Fernandes Pinto da Luz
Abstract Pollen morphology, ultrasculpture and ultrastructure were investigated for Poiretia in search of morphological characters of taxonomic importance using light microscopy as well as scanning and transmission electron microscopy. Additionally, principal components analysis was done to elucidate patterns of variation among the species. Pollen grains are small to medium size, isopolar, prolate
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Polyads types of the mimosoid clade (Caesalpinioideae, Fabaceae): size and pollen numbers variations Grana (IF 0.9) Pub Date : 2021-12-16 Eduardo Lopes Soares, Lorrayne Albernaz Domingues Camilo Landi, Cintia Neves De Souza, Eduardo Custódio Gasparino
Abstract The pollen morphology of 17 species and three varieties of the native mimosoid clade of forest fragments of the Cerrado (Brazilian savanna) was studied in order to expand the knowledge on the morphology of genera and species of this group, in particular on the morphology of polyads, as well as add information to pollen studies for species of Caesalpinioideae occurring in the area. The pollen