Calicium trabinellum (Ach.) Ach.
Details
Calicium trabinellum (Ach.) Ach., Methodus (Acharius) Suppl. 14 (1803)
Calicium trabinellum (Ach.) Ach.
Biostatus
Nomenclature
(Ach.) Ach.
Ach.
Ach.
1803
14
ICN
species
Calicium trabinellum
Classification
Descriptions
Calicium trabinellum (Ach.) Ach.
Thallus immersed or rarely episubstratic, dark greyish-green, verrucose, very thin. Apothecia 0.5-0.9 mm high, with a yellow pruina on lower side of capitulum, 5-9 times as high as width of stalk. All parts of stalk I-. Capitulum lenticular to obovoid, 0.17-0.26 mm diam. Excipulum of isodiametric, to slightly elongated cells; cells of outer part pale, of inner, sclerotized and dark brown. Outer surface of excipulum with granular, yellow pruina. Hypothecium blackish-brown with convex upper surface. Stalk black, epruinose, 0.07-0.11 mm diam. Central part of stalk dark brown or with an aeruginose tinge, of intricately interwoven and heavily sclerotized hyphae. Outer part of stalk hyaline to brownish, 22-27 µm thick, of strongly gelatinized cells arranged as in the central part. The stalk is enclosed in a thin, gelatinous, I- coat. Asci cylindrical, 30-37 × 3.5-4.5 µm, with ornamentation of irregular cracks and short ridge fragments. Chemistry: The yellow pruina of the apothecia consists of vulpinic acid.
Taxonomic concepts
Calicium trabinellum (Ach.) Ach.
Calicium trabinellum (Ach.) Ach.
Calicium trabinellum (Ach.) Ach.
Calicium xylonellum ß trabinellum Ach.
Calicium trabinellum (Ach.) Ach.
Metadata
ec506ca2-4c1e-471a-b2c7-62f0d748aa91
scientific name
Names_Plants
1 January 2000
20 April 2020