4.2 Article

Placement of Arthonia rubrocincta in Coniocarpon (lichenized Ascomycota: Arthoniaceae), with an extended range for the species in southeastern North America and the Caribbean

Journal

PHYTOTAXA
Volume 589, Issue 3, Pages 278-282

Publisher

MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.589.3.6

Keywords

Arthoniales; morphology; distribution; taxonomy

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Arthonia rubrocincta is transferred to Coniocarpon rubrocinctum based on its morphological and anatomical characteristics that fit the generic concept of Coniocarpon. The study expands the distribution range of the species to North Carolina, USA and the Bahamas, in addition to southeastern United States and the Bahamas. Thatch palm (Coccothrinax argentata) is reported as a new phorophyte. An emended description of the species is provided based on examined material.
Arthonia rubrocincta morphologically and anatomically fits the generic concept of Coniocarpon and is here transferred to the latter genus as Coniocarpon rubrocinctum. Specimens from southeastern United States and Bahamas were studied and the range of the species is found to extend north into North Carolina, USA and southeast to the Bahamas. Thatch palm (Coccothrinax argentata) is reported as a new phorophyte. An emended description based on examined material is presented for the species.

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