Publications
Assessment of Swiss needle cast disease: Temporal and spatial investigations of fungal colonization and symptom severity. Phytopathology. 151:344-351.
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2003. A climate-based model for predicting geographic variation in Swiss needle cast severity in the Oregon Coast Range. Phytopathology. 95:1256-1265.
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2005. Comparison of biochemical, molecular and visual methods to quantify Phaeocryptopus gaeumannii in Douglas-fir foliage. Phytopathology. 93:121-126.
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2003. Distribution of Swiss needle cast in New Zealand in relation to winter temperature. Australasian Plant Pathology. 36:445-454.
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2007. Environmental variables associated with Nothophaeocryptopus gaeumannii population structure and Swiss needle cast severity in Western Oregon and Washington. Ecology and Evolution. 9(19):11379-11394.
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2019. Factors affecting the spread of Swiss needle cast of Douglas-fir in the Pacific Northwest. Phytopathology. 96
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2006. First report of Swiss needle cast caused by Phaeocryptopus gaeumannii on Douglas-fir in Turkey. Plant Disease. 87:1536.
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2003. Fungicidal suppression of Swiss needle cast and pathogen reinvasion in a 20-year-old Douglas-fir stand in Oregon. Western Journal of Applied Forestry. 22:248-252.
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2007. The Genetic Structure of Populations of the Douglas-Fir Swiss Needle Cast Fungus Nothophaeocryptopus gaeumannii in New Zealand. Phytopathology. 109(3):446-455.
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2018. The histopathology of Phaeocryptopus gaeumannii on Douglas-fir needles. Mycologia. 100:431-444.
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2008. Impacts of Swiss needle cast on overstory Douglas-fir forests of the western Oregon Coast Range. Forest Ecology and Management. 259:1673-1680.
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2010. Incidence and impact of Swiss needle cast in forest plantations of Douglas-fir in coastal Oregon. Plant Disease. 84:773-779.
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2000. Modeling the impacts of the foliar pathogen, Phaeocryptopus gaeumannii, on Douglas-fir physiology: Net canopy carbon assimilation, needle abscission and growth. Ecological Modeling. 164:211-226.
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2003. .
1987. Polymorphic microsatellite markers for the Douglas-fir pathogen Phaeocryptopus gaeumannii, causal agent of Swiss needle cast disease. Molecular Ecology. 7:1125-1128.
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2007. Population structure suggests reproductively isolated lineages of Phaeocryptopus gaeumannii. Mycologia. 98:781-791.
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2006. Predicting effects of climate change on Swiss needle cast disease severity in Pacific Northwest forests. Canadian Journal of Plant Pathology. 30:169-176.
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2008. Predicting the severity of Swiss needle cast on Douglas-fir under current and future climate in New Zealand. Forest Ecology and Management. 260:2232-2240.
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2010. Quantification of Phaeocryptopus gaeumannii colonization in Douglas-fir needles by ergosterol analysis. Forest Pathology. 31:229-240.
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2001. The relationship between Swiss needle cast symptom severity and level of Phaeocryptopus gaeumannii colonization in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii). Forest Pathology. 34
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2004. Simultaneous one-tube quantification of host and pathogen DNA with real-time polymerase chain reaction. Phytopathology. 92:112-116.
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2002. The systematic position of Phaeocryptopus gaeumannii. Mycologia. 99:240-252.
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2007. Using a climatic niche model to predict the direct and indirect impacts of climate change on the distribution of Douglas-fir in New Zealand. Global Change Biology. 17:3608–3619.
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2011.