كتب ذات صلة

A text-book of plant diseases caused by cryptogamic parasites

A text-book of plant diseases caused by cryptogamic parasites

A text-book of plant diseases caused by cryptogramic parasites

A text-book of mycology and plant pathology

• The strumella disease of oak and chestnut trees
  المؤلفون: Heald, F. D. ,  Studhalter, Richard Arthur
• Analytic keys to the genera and species of North American mosses
  المؤلفون: Heald, F. D. ,  Barnes, Charles Reid

• Observations on the habits of some solitary wasps of Texas
  المؤلفون: Hartman, Carl Gottfried