Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

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Obscuroplaca tortuca (Søchting & Bungartz) Søchting & Bungartz

Obscuroplaca tortuca type specimen Photo: CDS.
Obscuroplaca tortuca type specimen Photo: CDS.

Apothecia with deep brown disc and pale brown margin; thallus rimose, pale creamy white to beige, on a conspicuously blackened hypothallus; corticolous (Bungartz, 2020).

It frequently grows on decorticated wood, but also on bark of Bursera graveolens, Scalesia pedunculata and Piscidia carthagenensis, in exposed or ± sheltered habitats, moderately common in the dry and lower transition, rarely also in the humid zone (Bungartz, 2020).

Taxonomy

Domain
Eukaryota

Kingdom
Fungi

Phylum
Ascomycota

Class
Lecanoromycetes

Order
Teloschistales

Family
Teloschistaceae

Genus
Obscuroplaca

Species
tortuca

Taxon category: Accepted

Basionym: Phaeoplaca tortuca Søchting & Bungartz, Plant and Fungal Systematics 65: 546. 2020 (Bungartz et al., 2021).

Origin: Endemic

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Known only from the Galápagos (Bungartz, 2020).

References

  • Bungartz, F. Søchting, U. & Arup, U. (2021) Obscuroplaca gen. nov. – a replacement name for Phaeoplaca; Teloschistaceae (lichenized Ascomycota) from the Galapagos Islands Bungartz, F., Søchting, U. & Arup, U. 2021. Obscuroplaca gen. nov. – a replacement name for Phaeoplaca; Teloschistaceae (lichenized Ascomycota) from the Galapagos Islands. Plant and Fungal Systematics 66(2): 240–241.doi:10.35535/pfsyst-2021-0022
  • Bungartz, F. Søchting, U. & Arup, U. (2020) Teloschistaceae (lichenized Ascomycota) from the Galapagos Islands: a phylogenetic revision based on morphological, anatomical, chemical, and molecular data Bungartz, F., Søchting, U., & Arup, U. (2020). Teloschistaceae (lichenized Ascomycota) from the Galapagos Islands: a phylogenetic revision based on morphological, anatomical, chemical, and molecular data. Plant and Fungal Systematics, 65(2), 515-576.
  • Kirk, P. Ed. (2022) Index Fungorum CABI, CBS, Landcare Research, SBML, Beltsville, British Lichen Society, RBG Kew (Mycology), University of Oslo, National Botanic Garden of Belgium, Brussels, New York Botanical Garden, Swedish Museum of Natural History

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This page should be cited as follows:

"Galapagos Species Database, Obscuroplaca tortuca", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=19905. Accessed 5 June 2026.