Complex sentence: In 1061 Helen K. Sharsmith produced a definitive study of "Hesperolinon", with the result that this taxon clearly merited genus standing; moreover, she also returned Marin Dwarf Flax, "H. congestum" to species status.
Split into simpler sentences: In 1061 Helen K. Sharsmith produced a definitive study of "Hesperolinon", with the result that this taxon clearly deserved genus standing. She also returned Marin Dwarf Flax, "H. congestum" to species status.