The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • Isotype: Wille, N. 1899. Phyc. Bor.-Am. Exsic. 13: PB-A 611.

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!