# | Title | Journal | Year | Citations |
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1 | Tree pollen spectra in the stockholm region (sweden), 1973–1980 | Grana | 1981 | 268 |
2 | A model to predict the beginning of the pollen season | Grana | 1991 | 233 |
3 | Pollen Dispersal in a Mountain Area | Grana | 1980 | 173 |
4 | An evaluation of the microscopical counting methods of the tape in hirst-burkard pollen and spore trap | Grana | 1981 | 172 |
5 | Atmospheric birch (Betula) pollen in Europe: Trends and fluctuations in annual quantities and the starting dates of the seasons | Grana | 1995 | 162 |
6 | Pollen production in anemophilous trees | Grana | 1996 | 160 |
7 | Dinophyte chloroplasts and phylogeny - A review | Grana | 1999 | 158 |
8 | Sporopollenin: A review of its chemistry, palaeochemistry and geochemistry | Grana | 1978 | 139 |
9 | Evidence of long-distance transport ofbetulapollen | Grana | 1991 | 131 |
10 | Relationship between airborne fungal spore presence and weather variables: Cladosporium and Alternaria | Grana | 1993 | 131 |
11 | The trend to earlier birch pollen seasons in the U.K.: A biotic response to changes in weather conditions? | Grana | 1997 | 120 |
12 | Dinoflagellate phylogeny revisited: reconciling morphological and molecular based phylogenies | Grana | 1999 | 120 |
13 | Pollen Morphology in the Order Centrospermae | Grana | 1975 | 113 |
14 | Early evolution of angiosperm pollen as inferred from molecular and morphological phylogenetic analyses | Grana | 2005 | 107 |
15 | A Comparative Analysis of Daily Variations in the Gramineae Pollen Counts at Córdoba, Spain and London, UK | Grana | 1995 | 105 |
16 | The variability in settling velocities of some pollen and spores | Grana | 1995 | 102 |
17 | Theoretical daily variation patterns of airborne pollen in the southwest of spain | Grana | 1991 | 99 |
18 | Pollen Grains of Nigerian Plants | Grana | 1973 | 98 |
19 | Aerodynamic versus physical size of spores: Measurement and implication for respiratory deposition | Grana | 2001 | 98 |
20 | Nature of the sporoderm in monocotyledons, with special reference to the pollen grains ofcannaandheliconia | Grana | 1982 | 95 |
21 | Pollen production in the Poaceae family | Grana | 2003 | 94 |
22 | On a Possible Function of the Callosic Special Wall inIpomoea Purpurea(L) Roth | Grana | 1970 | 93 |
23 | An Elucidation of the Microreticulate Structure of the Exine | Grana | 1973 | 93 |
24 | Pollen influx values measured in different sedimentary environments and their palaeoecological implications | Grana | 1999 | 93 |
25 | Annual variations in the concentrations ofBetulapollen in the London area, 1961–1990 | Grana | 1993 | 92 |
26 | Notes on the Pollen Morphology and Phylogeny Restionales and Poales | Grana | 1985 | 88 |
27 | Pollen morphology and its effect on pollenl collection by honey bees,Apis MelliferaL. (Hymenoptera: Apidae), with special Reference to Upland Cotton,Gossypium HirsutumL. (Malvaceae) | Grana | 1994 | 88 |
28 | The influence of air temperature on the starting dates of the pollen season ofalnusandpopulus | Grana | 1991 | 87 |
29 | Fruits from the mid-cretaceous of north america with pollen grains of theclavatipollenitestype | Grana | 1991 | 86 |
30 | The history and impacts of airborneAmbrosia(Asteraceae) pollen in Hungary | Grana | 2005 | 86 |
31 | Key for northwest european rosaceae pollen | Grana | 1981 | 83 |
32 | Can viable pollen carry Scots pine genes over long distances? | Grana | 1995 | 83 |
33 | Pollen of Nigerian Plants | Grana | 1995 | 83 |
34 | Size distinctions betweenBetulapollen types — A review | Grana | 1996 | 83 |
35 | Studies of the Development of Wheat (Triticum Aestivum) Pollen | Grana | 1986 | 82 |
36 | The effects of climate change in Switzerland 1969–1996 on airborne pollen quantities from hazel, birch and grass | Grana | 1998 | 82 |
37 | A contribution to distinguishing cereal from wild grass pollen grains by LM and SEM | Grana | 1979 | 81 |
38 | Pollen Production in Some Anemophilous Angiosperms | Grana | 1986 | 80 |
39 | The Genus Spiniferites Mantell, 1850 (Dinophyceae) | Grana | 1970 | 78 |
40 | Pollen aperture morphology in Arecaceae: Application within phylogenetic analyses, and a summary of record of palm-like pollen the fossil | Grana | 2001 | 78 |
41 | Airborne Pollen Records in Denmark, 1977–1986 | Grana | 1988 | 77 |
42 | Pollen Organs and Seeds withEucommiiditesPollen | Grana | 1989 | 77 |
43 | CARNOY: A new digital measurement tool for palynology | Grana | 2002 | 77 |
44 | Influence of Climatic Variation on Pollen Season Severity in Wind-Pollinated Trees and Herbs | Grana | 1980 | 75 |
45 | Allergenic pollen in europe | Grana | 1991 | 75 |
46 | Anacostia, a new basal angiosperm from the Early Cretaceous of North America and Portugal with trichotomocolpate/monocolpate pollen | Grana | 1997 | 75 |
47 | Fluctuations and trends in airborne concentrations of some abundant pollen types, monitored at Vienna, Leiden, and Brussels | Grana | 1991 | 73 |
48 | Scanning Electron Microscope Studies of Pollen of Cereals and other Grasses | Grana | 1972 | 70 |
49 | Annual variations in pollen deposition and meteorological conditions on the fell Aakenustunturi in northern Finland: Potential for using fossil pollen as a climate proxy | Grana | 2004 | 70 |
50 | Pollen morphological studies in the Malvaceae | Grana | 1986 | 69 |