Rapid sample preparation of Nicotiana tabacum leaves for scanning and transmission electron microscopy page 1-108

Viola cassinensis subsp. lucana (Violaceae), a new subspecies from the Lucanian Apennine, southern Italy page 109-115

Lichens and lichenicolous fungi of terricolous habitats in alpine-nival belts of Mount Elbrus (North Caucasus, Russia) page 117-122

A new species of Gomesa (Orchidaceae-Oncidiinae) from southern Brazil page 123-125

Notes on the genus Caluera (Orchidaceae) with description of a new species page 127-129

A new species of Ponthieva (Orchidaceae-Spiranthoideae) from northern Ecuador page 131-133

Double fertilization in Zephyranthes candida, with special notes on the second fertilization and the behavior of the primary endosperm nucleus page 135-138

Seed morphology of Rhodocodon (Hyacinthaceae) and its systematic implications page 139-154

Influence of heavy metal stress on embryogenic callus tissues of Abies nordmanniana: physiological and biochemical responses page 155-162

Validation of Pinguicula laueana (Lentibulariaceae), a name of an already described species page 163-164

A micropropagation protocol for the domestication of Jacaranda ulei (Bignoniaceae) page 165-174

Gene expression and adventitious root formation on auxin containing medium as influenced by cytokinin type during the multiplication stage in micropropagation of moringa page 175-184

Taxonomic novelties in the genus Spiraea (Rosaceae-Amygdaloideae-Spiraeeae) in Asia page 185-204

Sphagnum Mosses – The Stars of European Mires page 205-206