NEW MICROMORPHOLOGIC EVIDENCES FOR CLASSIFICATION OF UMBILICARIA DECUSSATA AND U.LYNGEI
网脊石耳及网脊平盘石耳分类中微形态学的新证据

It is difficult to distinguish between Umbilicaria decussata and U.lyn- gei because of lacking apothecium which is very rare in the two species.Some new micromor- phologic evidences for the classification of the two species obtained by Dissecting microscope and Scanning-electron microscope are given in the present paper.