Task: Sentence Expansion
Input (English): All of the yews are very closely related to each other , and often described together as " Taxus baccata " .
Output (English): All of the yews are very closely related to each other , and some botanists treat them all as subspecies or varieties of just one widespread species ; under this treatment , the species name used is " Taxus baccata " , the first yew described scientifically .