Chaenothecopsis penningtonensis is a resinicolous fungus found on Picea mariana bark flakes.[1] Found in Minnesota and Wisconsin, Chaenothecopsis penningtonensis is newly introduced in 2020 by ecologists Otto Gockman and Steven Selva.[2] [1] As of 2022, this species have also been observed in Alberta, Canada by ecologist Jose Maloles.[3]
Chaenothecopsis penningtonensis sits atop resin on the lower surface of Picea mariana bark flakes. It is dark brown to black in color, thallus absent, and has a very short apothecia.[1] Along with C. resinicola, C. penningtonesis are the only resinicolous species of Chaenothecopsis found in North America with non-septate spores and short apothecia and asci.[1]
Chaenothecopsis penningtonensis reside in temperate peatlands within temperate boreal forests where long, cold and dry winters and short, warm and moist summers occur.[4] [5]
The species epithet, penningtonensis, is derived from the location at which this species was discovered, at the Pennington Bog Scientific and Natural Area of Pennington, Minnesota.[1]