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Peltigera neckeri

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description Peltigera neckeri Overview

Peltigera neckeri is a foliose cyanolichen commonly known as the studded leather lichen. It forms broad, leathery lobes on soil, moss, or other ground-level substrates and contains cyanobacteria that contribute to its photosynthesis. Dark cephalodia or wart-like structures help distinguish it from some other Peltigera species and give the thallus its studded appearance.

help Peltigera neckeri FAQ

Why is Peltigera neckeri called the studded leather lichen?

Peltigera neckeri earns its common name from the dark cephalodia—wart-like structures on its upper surface—that give the thallus a studded appearance. The 'leather' part of the name comes from the broad, leathery lobes characteristic of the entire genus Peltigera.

Does Peltigera neckeri contain cyanobacteria for nitrogen fixation?

Yes, P. neckeri is a cyanolichen, containing cyanobacteria that contribute to photosynthesis and allow the lichen to fix atmospheric nitrogen. The dark cephalodia visible on the thallus surface may house additional cyanobacterial photobionts alongside the primary algal partner.

Where does Peltigera neckeri grow and on what substrates?

P. neckeri grows on soil, moss, and other ground-level substrates where it forms broad, spreading leathery lobes. Like other Peltigera species, it prefers habitats with adequate moisture and commonly colonizes mossy ground in forests and along woodland edges.

How does Peltigera neckeri differ from other Peltigera species like P. canina?

The dark cephalodia studding the upper surface of the thallus are the key distinguishing feature of P. neckeri compared to P. canina and other common Peltigera species. While all members of the genus share broad, leathery lobes with veined undersides, the presence of prominent dark cephalodia helps narrow identification to P. neckeri.

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