01 Jan 1935 |
36 |
Must use Latin for extant vascular plants |
01 Jan 1953 |
30.1, 30.3, 30.4 |
Publication in various kinds of ephemeral works is not allowed. |
01 Jan 1953 |
32.4, 33.2 |
Must provide full and direct citation of basionym. |
01 Jan 1953 |
34.2 |
If an author publishes two or more names simultaneously
for same taxon, all are invalid |
01 Jan 1953 |
35.1, 35.2 |
Must provide clear indication of rank; unranked names published
earlier are valid but have no standing so far as priority
is concerned. |
01 Jan 1958
|
36.2 |
Names of non-fossil algae must be published in Latin. |
01 Jan 1958 |
37.1 |
Must indicate the type of a new name or new combination. |
01 Jan 1958 |
39.1 |
Names of new species or infraspecies of non-fossil algae
must include an illustration or figure showing the distinctive
features. |
01 Jan 1959 |
28, note 2 |
Names of cultivars must be fancy names (lovely phrase),
not resembling standard Latin epithets. |
01 Jan 1973
|
30.3 |
Can no longer use seed exchange lists for publication. |
01 Jan 1973 |
45.1 |
Effective date of publication is the date on which the last
of the requirements was satisfied. |
01 Jan 1988 |
14.2 |
Became possible to conserve names of species in the interests
of stability |
01 Jan 1990 |
9.14, 37.4, 37.5 |
Must specify the herbarium or institution in which type
is conserved and include the word 'type' or 'holotype' in
designation of type material. |
01 Jan 1996
|
36.3 |
Names of fossil plants must have a Latin or English description. |
01 Jan 2001 |
7.11 |
Must include the phrase "here designated" when
designating a lectotype or neotype.
|