Image of giant shield lichen

Description:

Slo.: ? Cortex: K+ yelow, C-, KC pale yelow-orange, P-; medula: K-, C-, KC-, P- Habitat: a small group of trees on a meadow, 1.5 m above ground, E exp., exp. to sun 40%, flat ground, precipitations >3.000 mm/year, exposure to precipitation high, humidity medium to high. Substratum: bark of the trunk of Salix sp., vertically positioned