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28 January 2019 Chaenotheca longispora (Coniocybaceae), a new lichen from coast redwood trees in California, U.S.A.
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Abstract

Chaenotheca longispora is described as a new species from the central coast of California, U.S.A. It is similar in morphology to C. laevigata but is distinguished by the long (up to 25 µm) and spirally ornamented ascospores as well as chemically by the PD+ orange and K+ yellow reaction of the thallus. Thus far, C. longispora has been collected only from the crowns of large coast redwood (Sequoia sempervirens) trees in Armstrong Redwoods State Natural Reserve, where it occurs on the thick, fibrous bark of the trunks. A key to Chaenotheca species in North America, including C. longispora, is provided.

©2019 by The American Bryological and Lichenological Society, Inc.
Rikke Reese Næsborg, Eric B. Peterson, and Leif Tibell "Chaenotheca longispora (Coniocybaceae), a new lichen from coast redwood trees in California, U.S.A.," The Bryologist 122(1), 31-37, (28 January 2019). https://doi.org/10.1639/0007-2745-122.1.031
Received: 25 September 2018; Accepted: 16 December 2018; Published: 28 January 2019
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