How to know the ferns and fern allies
Mickel, John.
How to know the ferns and fern allies John T. Mickel ; [illustrated by Edgar M. Paulton]. - Dubuque, Iowa W. C. Brown Co. c1979. - xi, 229 p. ill. 24 cm. - The Pictured key nature series .
Includes index.
Bibliography: p. 217-218.
0697047709 0697047717 pbk.
78057876
Ferns--Identification.--North America
Pteridophyta--Identification.--North America
QK524.5 / .M52
587/.3/097
How to know the ferns and fern allies John T. Mickel ; [illustrated by Edgar M. Paulton]. - Dubuque, Iowa W. C. Brown Co. c1979. - xi, 229 p. ill. 24 cm. - The Pictured key nature series .
Includes index.
Bibliography: p. 217-218.
0697047709 0697047717 pbk.
78057876
Ferns--Identification.--North America
Pteridophyta--Identification.--North America
QK524.5 / .M52
587/.3/097