International Code of Botanical Nomenclature

(Saint Louis Code), Electronic version


CHAPTER IV. EFFECTIVE AND VALID PUBLICATION

SECTION 2. CONDITIONS AND DATES OF VALID PUBLICATION OF NAMES

Article 39

39.1. In order to be validly published, a name of a new taxon of non-fossil algae of specific or lower rank published on or after 1 January 1958 must be accompanied by an illustration or figure showing the distinctive morphological features, in addition to the Latin description or diagnosis, or by a reference to a previously and effectively published illustration or figure.

Recommendation 39A

39A.1. The illustration or figure required by Art. 39 should be prepared from actual specimens, preferably including the holotype.


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