What rhymes with auctorum?
auc·to·rum

Auctorum (Latin for of authors, abbreviated auct. or auctt.), in botany and zoology indicates that a name is used in the sense of subsequent authors. Some species names have been used twice for different species so the author of the name needs to be identified. For example "Leucospermum bolusii auct. Gandoger" for the species that was named as such by Gandoger. It is often used in conjunction with nec or non to indicate a misapplied name, e.g. "Leucospermum bolusii auct. non Gandoger" would mean the species not named by Gandoger. It may be qualified to indicate the number of authors, e.g. auctorum multorum (abbreviated auct. mult.), Latin for of many authors, indicating that many subsequent authors used a name in a different sense to the original author, and also by non to give auctorum non (auct. non), to indicate that a following author is not the author of the species.

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