Grana - 51 (1), 2012

Contents:

Original Articles

Focused ion beam nano-sectioning and imaging: a new method in characterisation of palaeopalynological remains
Uxue Villanueva-Amadoz, Alessandro Benedetti, Jesús Méndez, Luis Miguel Sender & José Bienvenido Diez

Pollen ontogeny linked to tapetal cell maturation in Impatiens parviflora (Balsaminaceae)
Stefan A. Vinckier, Steven B. Janssens, Suzy Huysmans, Anneleen Vandevenne & Erik F. Smets

In vitro pollen germination and pollen tube growth differences among Quercus robur L. clones in response to meteorological conditions
Krunoslav Sever, Željko Škvorc, Saša Bogdan, Jozo Franjić, Daniel Krstonošić, Ivana Alešković, Snježana Kereša, Goran Fruk & Tomislav Jemrić

Micromorphological approach to the systematics of Mediterranean Isoëtes species (Isoëtaceae, Lycopodiophyta): analysis of the megaspore surface
Angelo Troia, Giuseppe Bazan & Rosario Schicchi

Fungal biodeterioration in historic buildings of Havana (Cuba)
Teresa Irene Rojas, María Jesús Aira, Amado Batista, Isara Lourdes Cruz & Sergio González

Forecast models and trends for the main characteristics of the Olea pollen season in Nice (south-eastern France) over the 1990–2009 period
Pierre Sicard, Michel Thibaudon, Jean-Pierre Besancenot & Antoine Mangin

The foraging preferences of two species of Melissodes latreille (Hymenoptera, Apidae, Eucerini) in farmed sunflower in Argentina
Gabriela Cilla, Marta Caccavari, Norberto J. Bartoloni & Arturo Roig-Alsina

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