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Placynthium nigrum

Saxicolous on concrete post, Queenstown Otago.<br>Photographer: Marley Ford, Date taken: 06/12/2022, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

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Common names

Blackthread lichen

Biostatus

Native

Current conservation status

2018 | Not Threatened | Qualifiers: SO

Structural class

Lichens - Squamulose

Lichen substrates

Saxicolous (rock), Artificial (glass, concrete, plastic, brick)

Substrate details

Saxicolous, calcareous building materials (cement, mortar, concrete, tombstones)

Detailed taxonomy

Genus

Placynthium

Family

Placynthiaceae

Authority

Placynthium nigrum (Huds.) Gray

Synonyms

Lichen niger Huds.

Endemic taxon

Endemic genus

Endemic family

Other information

Etymology

nigrum: Latin meaning black

Referencing and citations

References and further reading

Galloway D.J. 1985: Flora of New Zealand: Lichens. Wellington: PD Hasselberg, Government Printer. 662 pp.

Galloway D.J. 2007: Flora of New Zealand: Lichens, including lichen-forming and lichenicolous fungi. 2nd edition. Lincoln, Manaaki Whenua Press. 2261 pp.

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