Journal
BRYOLOGIST
Volume 120, Issue 4, Pages 441-500Publisher
AMER BRYOLOGICAL LICHENOLOGICAL SOC INC
DOI: 10.1639/0007-2745-120.4.14
Keywords
Bayesian Poisson tree processes (bPTP); Pseudocyphellaria gilva; Pseudocyphellaria maculata; Pseudocyphellaria physciospora; species delimitation.
Categories
Funding
- National Science Foundation (NSF) [DEB 0206125, DEB 0715660, DEB-1354884, DEB-1354631]
- Field Museum's Women's Board Field Dreams program
- German Federal Ministry of Education and Research (BMBF
- Pilotprojekt Kooperation mit dem Botanischen Garten Bogota) [Forderkennzeichen: 01DN13030]
- CNPq [401186/2014-8, 314570/2014-4]
- NSF [DEB-1354631, DEB-008963, DEB-1240045]
- U.S. National Park Service CESU Task [P11AC90513]
- University of Montana
- Austrian Science Fund [P21052-B16, P25237]
- Hungarian Scientific Research Fund [OTKA 81232]
- Division Of Environmental Biology
- Direct For Biological Sciences [1354884, 1354631] Funding Source: National Science Foundation
- Austrian Science Fund (FWF) [P25237, P21052] Funding Source: Austrian Science Fund (FWF)
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We provide a phylogenetic revision of the Pseudocyphellaria crocata complex in the Americas. Specimens traditionally identified as P. crocata, based on their cyanobacterial photobiont, yellow pseudocyphellae, at least partially white medulla, and yellow soralia or soralia-like structures, are shown to represent 13 distinct species, forming a monophyletic group divided into four large clades, three comprising one species each and one containing eight species, plus two taxa for which no molecular data are available. Seven species correspond to what was previously recognized as P. crocata and one to P. dozyana, whereas a further one is identified as the sorediate counterpart of the usually apotheciate taxon P. lechleri and another as a pseudosorediate morph of the usually phyllidiate species P. neglecta. Surprisingly, none of the species represents P. crocata s. str., which must therefore be excluded from the American lichen biota. The 13 recognized species include three species new to science and three new combinations: P. citrina (Gyeln.) L ucking, Moncada & S. Stenroos, comb. nov. [bas.: Cyanisticta citrina Gyeln., nom. nov. pro Sticta citrina Pers. nom. illeg.], P. desfontainii (Delise) Vain., P. deyi L ucking, sp. nov., P. dozyana (Mont. & Bosch) D. J. Galloway, P. epiflavoides (Gyeln.) L ucking, Farkas & L} ok os, comb. nov. [bas.: Cyanisticta epiflavoides Gyeln.], P. hawaiiensis H. Magn., P. hillii (C. W. Dodge) D. J. Galloway, P. holarctica McCune, L ucking & Moncada, sp. nov., P. lechleri (M ull. Arg.) Du Rietz, P. neglecta (M ull. Arg.) H. Magn., P. punctata Lendemer, L ucking & Moncada sp. nov., P. sandwicensis (Zahlbr.) Moncada & L ucking, comb. nov. [bas.: Sticta crocata f. sandwicensis Zahlbr.], and P. xanthosticta (Pers.) Moncada & L ucking. Based on sequenced specimens, a neotype is selected for P. citrina and epitypes for P. hawaiiensis, P. lechleri, P. sandwicensis and P. xanthosticta. A key to all sorediate or pseudosorediate species of this complex in the Americas is presented, and all species are described, discussed and illustrated.
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