Key Identification Features
- silvae-veteris, they can be distinguished by their chemistry (medulla K negative, PD negative) and their physical connection to typical N.
- expallidum can be distinguished by its narrower lobes with distinctly crenulate margins, and its cephalodia are not visible on the upper surface.
- helveticum actually consists of two separate distinct species.
- As a species complex, Nephroma helveticum has a cosmopolitan distribution, with distinct habitat preferences across its range.
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