Enkele nieuwe vondsten van Cladonia’s in Nederland

Some interesting records of lichens belonging to the genus Cladonia Wigg. are reported. Cladonia cariosa (Ach.) Spreng. and C. fragilissima Østh. & P. James have recently been found for the first time in the Netherlands. C. symphycarpa (Ach.) Fr., hitherto only collected once, has been discovered on a second locality. Short descriptions and comments on the ecology and geographical distribution of these species are given, and tables of phytosociological relevé’s are provided, as well as some drawings of the plant material collected.