Sentence 1: The species was first formally described in 1846 by the botanist Johann Georg Christian Lehmann within the framework of Stephan Endlicher's work `` Irideae Plantae Preissianae '". Sentence 2: The species was first formally described by the botanist Stephan Endlicher in 1846 as part of the work `` Irideae Plantae Preissianae'' by Johann Georg Christian Lehmann. Question: Do sentence 1 and sentence 2 express the same meaning? - Yes or No? - Yes or No?
<unk> <unk>