Subsection

Aurei (Hygrophorus subsect. aurei)

Hygrophorus hypothejus. Photo: (c) Petri Roponen, some rights reserved (CC BY-NC-SA)

The aureus (pl. aurei, ‘golden’, used as a noun) was a gold coin of ancient Rome originally valued at 25 pure silver denarii. The aureus was regularly issued from the 1st century BC to the beginning of the 4th century AD, when it was replaced by the solidus. The aureus was about the same size as the denarius, but heavier due to the higher density of gold (as opposed to that of silver).

— Wikipedia

Subtaxa

Where in Humboldt



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