Essay for category "plants described in XXXX":
This category includes plant species that were first formally and validly described according to the rules of the International Code of Botanical Nomenclature in this year. Use reliable sources like the International Plant Names Index to figure out the proper category. For example:
- Carex vulpinoidea Michx. was described in 1803, so it gets [[Category:Plants described in 1803]].
- Castilleja attenuata (A.Gray) T.I.Chuang & Heckard. The author citations after this plant name mean that Asa Gray was the first person to describe this species (in 1857 as Orthocarpus attenuatus) and in 1991, T.I.Chuang & Heckard reassessed the species and altered the name (in this case, they moved it to another genus and altered the species gender to match). As a general rule, the species article should be categorized by the earliest formal, valid description, so this species gets [[Category:Plants described in 1857]].
- Utricularia quinquedentata F.Muell. ex P.Taylor. The "ex" in this author abbreviation indicates that F.Muell. (Ferdinand von Mueller) did not fully or validly publish the species. In this case, he only suggested a name without a description in 1893. Peter Taylor found the reference and published a description based on Mueller's specimens in 1986, so this article receives [[Category:Plants described in 1986]].