Science and Plants for Schools:
Catkins of sessile oak (Quercus petraea)
Science and Plants for Schools:
Flowerhead of sweet vernal-grass (Anthoxanthum odoratum)
Science and Plants for Schools:
Male and female inflorescences in glaucous sedge (Carex flacca)
Science and Plants for Schools:
Male and female catkins in birch (Betula sp.)