Pteridophytes and gymnosperms /
Pteridophytes and gymnosperms /
volume editors: K. U Kramer and P. S. Green
- Berlin : Springer-Verlag, 1990
- 404 p. : ill ; 28 cm.
- Families and genera of vascular plants ; v.1 .
0387517944
89-26217
Pteridophyta--Classification
Gymnosperms--Classification
0387517944
89-26217
Pteridophyta--Classification
Gymnosperms--Classification
