A field key to the common non-woody flowering plants and ferns of Minnesota
Subtitle: based largely upon vegetative characters.
Edition: Rev. ed.
Publisher: Burgess Pub. Co.
Published: 1946
Place of publication: Minneapolis
Language: eng
Number of pages: 71
Subjects: Minnesota -- Flora
Notes: Reproduced from typed manuscript.

1964 ed. has title: Northern non-woody plants; a field key to the more common ferns and flowering plants of Minnesota and adjacent regions.