Aanen, DK & Kuyper, TW - MushroomExpert.Com

Ramariopsis. Mycologia 70: 660-671.
Petersen, R. H. (1979). Contribution to a monograph of Ramaria IV. R. testaceo-flava and R. bataille.
Nova Hedwigia 31: 25-38.
Petersen, R. H. (1979). Notes on cantharelloid fungi. X. Cantharellus confluens and C. lateritius,
Craterellus odoratus and C. aureus. Sydowia 32: 198-208.
Petersen, R. H. (1982). Contributions toward a monograph of Ramaria. V. Type specimen studies of
taxa described by W. C. Coker. Sydowia 35: 176-205.
Petersen, R. H. (1985). Notes on clavarioid fungi. XIX. Colored illustrations of selected taxa, with
comments on Cantharellus. Nova Hedwigia 42: 151-160.
Petersen, R. H. (1985). Notes on clavarioid fungi. XX. New taxa and distributional records in Clavulina
and Ramaria. Mycologia 77: 903-919.
Petersen, R. H. (1986). Some Ramaria taxa from Nova Scotia. Canadian Journal of Botany 64:
1786-1811.
Petersen, R. H. (1987). Contribution toward a monograph of Ramaria. VI. The Ramaria fennica -
versitalis complex. Sydowia 40: 197-226.
Petersen, R. H. (1988). Contribution toward a monograph of Ramaria. VII. New taxa and miscellany.
Mycologia 80: 223-234.
Petersen, R. H. & C. Scates. (1988). Vernally fruiting taxa of Ramaria from the Pacific Northwest.
Mycotaxon 33: 101-144.
Petersen, R. H. (1989). Contributions toward a monograph of Ramaria. VIII. Some taxa sheltered
under the name Ramaria flava. Persoonia 14: 23-42.
Petersen, R. H. & Litten, W. (1989). A new species of Clavaria fruiting with Vaccinium. Mycologia 81:
325-327.
Petersen, R. H. & Methven, A. S. (1994). Mating systems in the Xerulaceae: Xerula. Canadian
Journal of Botany 72: 1151-1163.
Peterson, R. L. & Farquhar, M. L. (1994). Mycorrhizas–Integrated development between roots and
fungi. Mycologia 86: 311-326.
Petersen, R. H. (1995). There’s more to a mushroom than meets the eye: Mating studies in the
Agaricales. Mycologia 87: 1-17.
Petersen, R. H. & Krisai-Greilhuber, I. (1996). An epitype specimen for Pleurotus ostreatus.