Assertion: common alder | /r/AtLocation | subgenus alnus
Facets:
value: within the genus alnus
type: OTHER
Source sentences:
text: Within the genus Alnus, the common alder is placed in subgenus Alnus as part of a closely related group of species including the grey alder, Alnus incana, with which it hybridizes to form the hybrid A. × hybrida.