Notes on some diseases of trees in our national forests
Subtitle: I-V
By: George Grant Hedgcock
Published: 1909
Language: eng
Notes: I. Privately printed at Washington, D. C. 4p. 20 Feb. 1914 (read at meeting of Amer. phytopath. soc. Dec.30, 1909); II. Phytopathology, v. 2, p. 73-80, 1912; III. Phytopatholoogy, v. 3, p. 111-114, 1913. IV. Phytopathology, v. 4, 1914; V. Phytopathology, v. 5, 1915.