![](/img/cover-not-exists.png)
Ontogeny and Structure of the Secondary Phloem in Ephedra
Margaret C. Alosi and Frank J. AlfieriVolume:
59
Language:
english
Journal:
American Journal of Botany
DOI:
10.2307/2441086
Date:
September, 1972
File:
PDF, 2.46 MB
english, 1972