Linked from
The 22 pages that link to Catkin, each with the reason it gives.
OakRelated: Many oaks produce male flowers in catkins that release pollen.
BetulaceaeRelated: Many Betulaceae bear their flowers in catkins, often before leaves emerge.
SalicaceaeRelated: Many Salicaceae bear their flowers in this distinctive inflorescence.
JuglandaceaeRelated: Many Juglandaceae bear their small flowers in catkins.
SalixRelated: Willow flowers are borne in catkins, often appearing before the leaves.
NothofagaceaeRelated: Many southern beeches bear their flowers in catkin-like clusters.
NothofagusRelated: Many Nothofagus species produce their flowers in catkins.
Salix albaRelated: White willow bears its small flowers in catkins.
Nothofagus menziesiiRelated: Silver beech produces inconspicuous flowers in catkin-like clusters.
Quercus roburRelated: Its male flowers form catkins that release pollen in spring.
Salix babylonicaRelated: Willows bear their flowers in catkins, which appear around leaf emergence.
Betula papyriferaRelated: Paper birch produces separate male and female catkins.
Betula pendulaRelated: Silver birch bears separate male and female catkins.
Carya glabraRelated: Pignut hickory produces male flowers in catkins in spring.
Alnus glutinosaRelated: Black alder bears separate male and female flowers in catkins.
Corylus maximaRelated: Hazel flowers appear in catkins before the leafy canopy develops.