Practice question
Question
A 19ᵗʰcentury phycologist described a soil dwelling cyanobacteriumNostoc arcusand cited three herbarium sheets (X, Y and Z) collected from different deserts, but no holotype was designated in that work. In 2024, a taxonomist intended to stabilize the name and hence selected sheet Z as the reference specimen due to the better morphological clarity and preservation of the sample. What nomenclatural task is the taxonomist performing under the ICN?
Explanation
Analysis of a 19ᵗʰcentury phycologist described a soil dwelling shows Designating a lectotype because the original material consis represents established outcome. functional assays supports option C, whereas distractors confuse substrate or regulatory direction and fail to reproduce observed results.
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