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Issue: Vol. 690 No. 1: 26 Feb. 2025
Type: Article
Published: 2025-02-26
DOI: 10.11646/phytotaxa.690.1.2
Page range: 17-35
Abstract views: 799
PDF downloaded: 335

Geographic distributions in Chromosera species—continental and oceanic barriers, including a new species, a new variety and a new combination

Department of Ecology & Evolutionary Biology, University of Tennessee, Knoxville, Tennessee 37996, USA
Ottawa Research and Development Centre, Science and Technology Branch, Agriculture and Agri-Food Canada, 960 Carling Ave., Ottawa, Ontario K1A 0C6, Canada
Ottawa Research and Development Centre, Science and Technology Branch, Agriculture and Agri-Food Canada, 960 Carling Ave., Ottawa, Ontario K1A 0C6, Canada
Engineering Research Centre of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University, Changchun 130118, P. R. China
NAMP Mycoflora of Long Island, NY, 11 Ramblewood Rd., Ridge, New York 11961, USA
Indiana Mushroom Club, 1700 South Curry Pike, Bloomington Indiana 47403, USA
Mycoquébec Scientific Committee, 775 rang du Rapide Nord, Saint-Casimir, Québec G0A 3L0, Canada
Department of Mathematics, Texas A&M University, College Station, Texas 77843, USA
332 W. 12 St, Deer Park, New York 11729, USA (deceased)
NAMP Mushrooms of NE Pennsylvania and Luzerne County Community College, 1333 South Prospect Street, Nanticoke, Pennsylvania, USA
The Evergreen State College, 2700 Evergreen Parkway NW, Olympia, Washington 98505, USA. NAMP Hygrophoraceae of Lower Puget Sound, 97 SE Skookum Inlet Rd. Shelton, Washington 98584, USA. Biology Department, University of Wisconsin-La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, USA.
The Evergreen State College, 2700 Evergreen Parkway NW, Olympia, Washington 98505, USA. NAMP Hygrophoraceae of Lower Puget Sound, 97 SE Skookum Inlet Rd. Shelton, Washington 98584, USA.
NAMP Hygrophoraceae of Lower Puget Sound, 97 SE Skookum Inlet Rd. Shelton, Washington 98584, USA
Indiana Mushroom Club, 1700 South Curry Pike, Bloomington Indiana 47403, USA. Hoosier Mushroom Society, 4285 West Ct., Marion, Indiana 46952, USA.
Department of Plant Pathology, University of Georgia, Athens, Georgia 30602, USA
Agaricales Basidiomycota biogeography Clitocybe violaceifolia Hygrophoraceae key nomenclature taxonomy Fungi

Abstract

Chromosera cyanophylla was initially described from Europe and, when it was named type of the genus, was thought to be distributed throughout Europe and North America. Molecular phylogenies revealed that Chromosera “cyanophylla” from eastern and western North America represent two separate species and that neither is conspecific with European C. cyanophylla nor with the more recently described C. ambigua. Here we describe a new species from western North America as Chromosera loreleiae. We resurrect the species Peck described from eastern North America as Agaricus lilacifolius by recombining it in Chromosera and describe a new lilac variety lacking yellow pigments. The range of C. cyanophylla s.s. across eastern Eurasia including China is confirmed. Chromosera citrinopallida, described from Washington state, USA, comprised one clade in Washington that we infer is C. citrinopallida s.s. and a separate circumarctic clade distributed in Scandinavia, Iceland and Alaska.

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How to Cite

Grootmyers, D., Mullineux, S.-T., Redhead, S.A., Bau, T., Horman, J., Kerner, R., Lebeuf, R., Sergeev, A., Tomko, P., Wasilewski, D., Ré, L.A., Hickey, S., Ness, S., Russell, S.D. & Lodge, D.J. (2025) Geographic distributions in Chromosera species—continental and oceanic barriers, including a new species, a new variety and a new combination. Phytotaxa 690 (1): 17–35. https://doi.org/10.11646/phytotaxa.690.1.2