Pests not known to occur in the United States or of limited distribution
Subtitle: Citrus black spot
Series: APHIS 81 -- 40-28; APHIS 81 -- 40-28.
Published: 1982
Language: eng
Number of pages: 11
Subjects: Citrus; Sphaeriaceae; Diseases and pests
Notes: "December 1982."

References: p. 10-11.