Lichenes novi quorum isotypi in fasciculo quinquagesimo tertio collectionis “Lichenes selecti exsiccati” distribuentur

Diagnoses of the following 5 new lichen species are presented:Lecanora casimceana Vězda sp. n.,Lecanora prominens Asta, Clauzade etRoux sp. n.,Ramalina pontica Vězda sp. n.,Usnea pseudoceratina Motyka sp. n. andUsnea tanzanica Motyka sp. n. The isotypes will be distributed in fasc. No. 53 of the “Lichenes selecti exsiccati” (issued by the Botanical Institute, Czechoslovak Academy of Sciences, Průhonice near Praha).     

Notes on “Lichenes selecti exsiccati” with an alphabetical index to fascicles 81–100 (Nos. 2001–2500)

Sixth full report on the series Lichenes selecti exsiccati is given. Contributing collectors, dates of issue, taxa determinations and their corrections, list of recipient herbaria and alphabetical index to taxa are reported.