Pussy willow, Salix discolor
Pollen grain morphology: tectate, tricolpate, reticulate
Pollen grain size: 20.36 + 0.54 µm by 19.05 + 0.21 µm
Weeping willow, Salix × sepulcralis
Pollen grain size:
- Equatorial: 18.69 µm by 18.23 µm
- Polar: 21.70 µm by 18.23 µm
Unknown Salix spp. (possibly black willow, Salix nigra)
