''Chaenothecopsis dibbleandersoniarum'' is a species of fungus in the family

Mycocaliciaceae The Mycocaliciaceae are a family (biology), family of seven genus, genera and about 90 species of fungi in the order Mycocaliciales. Taxonomy Calicioid fungi are a heterogeneous assemblage of fungi sharing the presence of a mazaedium, a structur ...

. It was described as new to science in 2003 by Steve Selva, from samples collected on

Cape Breton Island Cape Breton Island (french: link=no, île du Cap-Breton, formerly '; gd, Ceap Breatainn or '; mic, Unamaꞌki) is an island on the Atlantic coast of North America and part of the province of Nova Scotia, Canada. The island accounts for 18. ...

Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native Eng ...

, Canada. It has also been recorded in

Maine Maine () is a state in the New England and Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Canadian provinces of New Brunswick and Quebec to the northeast and north ...

. The fungus is lichenicolous, and grows as a

parasite Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has ...

on the apothecia and

thallus Thallus (plural: thalli), from Latinized Greek (), meaning "a green shoot" or "twig", is the vegetative tissue of some organisms in diverse groups such as algae, fungi, some liverworts, lichens, and the Myxogastria. Many of these organisms wer ...

of the lichen '' Arthonia leucopellaea''. It is named after Dr. Alison Dibble and Ms. Frances Anderson, both of whom independently brought the species to the attention of Selva.

References

Eurotiomycetes Lichen species Lichens described in 2003 Lichens of Eastern Canada Lichens of the Northeastern United States Fungi without expected TNC conservation status {{Eurotiomycetes-stub