SEM0064
Persicaria glabra (dense-flower knotweed) leaf surface with secretory cavity (SEM).
SEM0063
Persicaria internal secretory cells (SEM).
SEM0062
Persicaria internal secretory cell (SEM).
SEM0249
Scrophularia marilandica (eastern figwort) leaf cross section broken to show subepidermal idioblasts (SEM).
SEM0252
Scrophularia marilandica (eastern figwort) leaf torn to show subepidermal idioblasts (SEM).
SEM0247
Scrophularia marilandica (eastern figwort) leaf cross section broken to show subepidermal idioblasts (SEM).
SEM0251
Scrophularia marilandica (eastern figwort) leaf torn to show subepidermal idioblast (SEM).
SEM0250
Scrophularia marilandica (eastern figwort) leaf torn to show intact subepidermal idioblast (SEM).
SEM0255
Graderia leaf with epidermis removed to expose idioblasts. Lersten and Curtis. 2001.