* Drenkhan R, Ganley B, Martín-García J, Vahalík P, Adamson K, Adamčíková K, Ahumada R, Blank L et al. (2020) Global geographic distribution and host range of Fusarium circinatum, the causal agent of pine pitch canker. Forests 11(7), 724.
------- Isolated records.
* Gordon TR, Kirkpatrick SC, Aegerter BJ, Wood DL, Storer AJ (2006) Susceptibility of Douglas fir (Pseudotsuga menziesii) to pitch canker, caused by Gibberella circinata (anamorph = Fusarium circinatum). Plant Pathology 55, 231-237.
-------- In experiments, majority of tested trees were relatively resistant but some were clearly susceptible (short lesions).
* Gordon TR, Storer AJ, Okamoto D (1996) The population structure of the pitch canker pathogen, Fusarium subglutinans f. sp. pini, in California. Mycological Research 100, 850-854.
------- In California (US), affected trees showed branch dieback.
* Vogler D R, Gordon T R, Aegerter B J, Kirkpatrick S C, Lunak G A, Stover P, Violett P (2004) First report of the pitch canker fungus (Fusarium circinatum) in the Sierra Nevada of California. Plant Disease 88(7), 772.
* Mantiri FR, Samuels GJ, Rahe JE, Honda BM (2001) Phylogenetic relationships in Neonectria species having Cylindrocarpon anamorphs inferred from mitochondrial ribosomal DNA sequences. Canadian Journal of Botany 79, 334-340.
* Deyrup MA (1978) Notes on the biology of Pissodes fasciatus LeConte and its insect associates (Coleoptera: Curculionidae). Pan-Pacific Entomologist 54(2), 103-106.
* Witcosky JJ, Hansen EM (1985) Root-colonizing insects recovered from Douglas-fir in various stages of decline due to black-stain root disease. Phytopathology 75(4), 399-402.
* Freeman MB, Labarge A, Tobin PC (2020) Phenology of Douglas-Fir Beetle (Coleoptera: Curculionidae) and Its Role in Douglas-Fir Mortality in Western Washington. Environmental Entomology, 49(1), 246–254, https://doi.org/10.1093/ee/nvz146