Assertion: fir's characteristic | /r/CapableOf | lead author
Facets:
Source sentences:
text: Differences in habitat as well as growth requirements and morphological characteristics have led some authors to propose the separation of white fir into two taxonomic varieties, one in the Rocky Mountains and the other in the western part of the species' range.
text: Differences in habitat as well as growth requirements and morphological characteristics have led some authors to propose the separation of white fir into two taxonomic varieties, one in the Rocky Mountains and the other in the western part of the species' range.