Kramer, K.U. & Green, P. S. (ed.) 1990: The families and genera of vascular plants. I. Pteridophytes and gymnosperms
Title | The families and genera of vascular plants. I. Pteridophytes and gymnosperms |
Authorship | Kramer, K.U. & Green, P. S. (ed.) |
Placepublished | Berlin, etc. |
Date published | 1990 |