Hertella is a lichenized genus of fungi within the Placynthiaceae family.

[1] The genus name of Hertella is in honour of Hannes Hertel (b.1939), a German botanist (Mycology, Lichenology and Bryology), Taxonomist, Curator of Lichenes/Bryophytes and former Director of the Botanische Staatssammlung München.

[2] The genus was circumscribed by Aino Marjatta Henssen in Mycotaxon vol.22 on page 381 in 1985.

Accepted species by GBIF;[3]

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