3 public-domain matches

Plant Cell Walls

Cover of The Plant Stem

The Plant Stem

Fritz H. Schweingruber, Annett Börner

Cover of The Plant Stem: A Microscopic Aspect

The Plant Stem: A Microscopic Aspect

Fritz H. Schweingruber, Annett Börner

Cover of A text-book of botany

A text-book of botany

Eduard Strasburger