Journal
MYCOTAXON
Volume 107, Issue -, Pages 61-71Publisher
MYCOTAXON LTD
DOI: 10.5248/107.61
Keywords
ascomycete; taxonomy; hypogeous fungi
Categories
Funding
- Iowa Science Foundation
- IDNR
- National Science Foundation [0641297]
- DGEST
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A molecular analysis of LSU and ITS portions of rDNA front Pachyphloeus ascocarp collections in the United States and Mexico gives strong bootstrap support for four clades within the genus. Two clades include collections front lowa and Mexico. From one of these, a new species of Pachyphloeus, is described from oak woodlands. Pachyphloeus marroninus is distinguished from other species of Pachyphloeus by the combination of a reddish brown peridium with low, polygonal warts, a solid, white gleba, narrowly clavate asci, and spore spines that are coarse with tips free from the perisporium at maturity. Molecular analyses support the close relationship of this species from Iowa and Mexico, but the variations in sequences may indicate a cryptic species complex.
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