Chaenotheca xyloxena Nádv.
Details
Chaenotheca xyloxena Nádv. (1934)
Chaenotheca xyloxena Nádv.
Biostatus
Nomenclature
Nádv.
Nádv.
1934
308
ICN
Chaenotheca xyloxena Nádv.
species
Chaenotheca xyloxena
Classification
Descriptions
Chaenotheca xyloxena Nádv.
Thallus immersed, sometimes visible as a greenish-grey tinge on substratum. Photobiont: . Apothecia short or long, 0.9-1.5 mm high, 15-30 times as high as width of stalk. Stalk 0.04-0.08 mm diam., usually with a thick, white pruina in upper part, lower part shining, black. Capitulum obconical, with well-developed excipulum; innermost, narrow part of excipulum consisting of periclinally arranged hyphae continuing into other part of stalk; much thicker outer part of excipulum consisting of swollen, anticlinally arranged hyphae 3-4 times as thick as hyphae of stalk. Excipulum 0.14-0.26 mm diam., with a thick, white pruina below. Asci short-cylindrical or irregular, with uniseriate or ± biseriate spores, 8-13 × 2.2-3.3 µm. Asci formed in chains. Ascospores spherical, 3.1-3.8 µm diam., smooth or with narrow, irregular cracks. Chemistry: Thallus K-, C-, KC-, Pd-. No secondary substances found.
Taxonomic concepts
Chaenotheca xyloxena Nádv.
Chaenotheca xyloxena Nádv.
Chaenotheca xyloxena Nádv.
Metadata
7bfdf217-0dc6-403b-9336-79d24db1564e
scientific name
Names_Plants
1 January 2000
3 March 2009