Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 1968 Jun;3(2):175-86.
doi: 10.1242/jcs.3.2.175.

The ultrastructure and ontogeny of pollen in Helleborus foetidus L. II. Pollen grain development through the callose special wall stage

P Echlin, H Godwin

The ultrastructure and ontogeny of pollen in Helleborus foetidus L. II. Pollen grain development through the callose special wall stage

P Echlin et al. J Cell Sci. 1968 Jun.
No abstract available

PubMed Disclaimer

LinkOut - more resources