A Morphometric Study of the Ultrastructure of Echinocereus engelmannii (Cactaceae). III. Subapical and Mature Tissues
- 1 April 1981
- journal article
- research article
- Published by Wiley in American Journal of Botany
- Vol. 68 (4) , 531-534
- https://doi.org/10.2307/2443029