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- Image author: Ulrich Kirschbaum ©
- On alpine meadows. Thallus+- erect (A. sarmentosa is decumbent), up to 10 cm, yellowish-greenish (A. nigricans is darker); pseudocyphellae present. Cortex KC+ yellow (A. nigricans is KC+ red, A. sarmentosa KC- or KC+ red). Iceland.
- Original image
- Website: Lichen images