There were 4 illustrations found for J. Landwehr
Anthoceros sp.geheugenvannederland.nl: () [J. Landwehr]
2 1307097 Frullania dilatata (L.) Dumort. [0]geheugenvannederland.nl: () [J. Landwehr]
2 1313638 Lophocolea bidentata (L.) Dumort. [0]geheugenvannederland.nl: () [J. Landwehr]
Sphagnum sp.geheugenvannederland.nl: () [J. Landwehr]