Can we draw the following hypothesis from the context (see options)? 

Context:

Rhododendron catawbiense, with common names Catawba rosebay, Catawba rhododendron, mountain rosebay, purple ivy, purple laurel, purple rhododendron, red laurel, rosebay, rosebay laurel, is a species of "Rhododendron" native to the eastern United States, growing mainly in the southern Appalachian Mountains from Virginia south to northern Alabama.

Hypothesis: The plant encompasses the entirety of the Appalachian Mountain region
Available choices:
 (1). Yes;
 (2). It's impossible to say;
 (3). No;
(3).