| Pollen analysis of honey from Chubut (Argentinean Patagonia) | 2008/06/01 | English | 21 |
| A combined light and scanning electron microscopy study | 2016/01/28 | English | 21 |
| The Pollen of SwedishCallitriche(Callitrichaceae) - Trends Towards Submergence | 1993/01/01 | English | 21 |
| Developmental Evidence for the Convergence ofSassafras(Laurales) andHeliconia(Zingiberales) Pollen | 1987/12/01 | English | 21 |
| Pollen morphology of the genusAesculus(Hippocastanaceae) | 1995/02/01 | English | 21 |
| Prediction of the pollen season with a cumulated activity method | 1993/01/01 | English | 21 |
| Modelling of Dispersion and Deposition of Tree Pollen within a Forest Canopy | 1989/06/01 | English | 21 |
| Hemispheric Surface Processes of Exine and Orbicules inCalluna(Ericaceae) | 1985/08/01 | English | 21 |
| Aeroallergens of southeastern missouri, usa | 1986/12/01 | English | 21 |
| On some pollen morphological concepts | 1979/08/01 | English | 21 |
| Pollen morphology of some Turkish endemicCentaurea | 1995/02/01 | English | 21 |
| Experimental modelling of exine-like structures | 2013/09/26 | English | 21 |
| Synchronized inter‐annual fluctuation of flowering intensity affects the exposure to allergenic tree pollen in North Europe | 2007/12/01 | English | 21 |
| Orbicule wall surface characteristics inLilium(Liliaceae) | 1993/01/01 | English | 20 |
| Orbicules inBetula Pendulaand their Possible Role in Allergy | 1995/10/01 | English | 20 |
| Relation of Pollen Release to Pollen Concentrations in Air | 1985/08/01 | English | 20 |
| Spore Wall Structure in the Jungermanniales | 1970/01/01 | English | 20 |
| Electron Microscopy of Mesozoic Megaspores from Denmark | 1971/12/01 | English | 20 |
| Influence of Pinocytosis and Membrane Specializations on Pollen Wall Form | 1970/01/01 | English | 20 |
| Evolution of pollen morphology in Loranthaceae | 2017/02/20 | English | 20 |
| The elasticity of the exine | 2000/01/01 | English | 20 |
| Pollen morphology of Turkish Amaryllidaceae, Ixioliriaceae and Iridaceae | 2008/05/01 | English | 20 |
| Pollen ultrastructure of the Pontederiaceae | 1987/08/01 | English | 20 |
| 13C-NMR spectra ofLycopodium clavatumsporopollenin and oxidatively polymerised β-carotene | 1996/01/01 | English | 20 |
| Acetolysis Applied to Microscopical Honey Analysis | 1980/03/01 | English | 20 |
| The Morphology of Pollen Tetrads and Viscin Threads in Some Tertiary,Rhododendron-Like Ericaceae | 1996/01/01 | English | 20 |
| Pollen morphology ofatherosperma, daphnandraanddoryphora(atherospermataceae [monimiaceae]) | 1988/03/01 | English | 20 |
| Monofloral honeys in the Yucatán Peninsula, Mexico | 2009/09/10 | English | 20 |
| Species range types of recent marine dinoflagellates recorded from the Arctic | 1999/06/01 | English | 20 |
| How do airborne and deposition pollen samplers reflect the atmospheric dispersal of different pollen types? An example from northern Finland | 2008/12/01 | English | 20 |