A new species of Micarea (Pilocarpaceae) from Madeira growing on Usnea

被引：15
作者：
van den Boom, Pieter P. G. [1 ]
Ertz, Damien [1 ]
机构：
[1] Natl Bot Garden, B-1860 Meise, Belgium
来源：
LICHENOLOGIST | 2014年 / 46卷 / 03期
关键词：
lichenized ascomycete; Lecanorales; Macaronesia; new records; phylogeny;
D O I：
10.1017/S0024282913000698
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The new species Micarea usneae is described from Madeira. It has been found at two localities where it grew on epiphytic Usnea thalli. Micarea usneae is distinguished by a very thin pale brownish thallus, pallid to greyish black or bluish subglobose apothecia of 0.1-0.3 mm diameter, very narrow (1.5 - 2.5 mm) ascospores, black pycnidia and strongly curved to sigmoid macroconidia. Phylogenetic analyses using mtSSU sequences place the new species in the Micarea peliocarpa group. Catillaria usneicola and Cladonia parasitica are recorded for the first time from Madeira. A key to the lichenicolous species on Usnea in Macaronesia is provided.
引用
收藏
页码：295 / 301
页数：7
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