Korsmo Weed Plates - Galeopsis tetrahit L. - Galeopsis speciosa Mill

This original vintage botanical poster is part of the Korsmo Weed Plates series by E. Korsmo. It features Galeopsis tetrahit L. (Common hemp-nettle) and Galeopsis speciosa Mill. (Downy galeopsis) with detailed illustrations of their growth stages, flowers, roots, and seeds.

The Weed Plates series is highly valued for its precision and scientific accuracy, making it an essential reference for botanists, agronomists, and plant enthusiasts. These illustrations continue to be used in plant identification and weed management studies.

Published by the Société Norvégienne de l'Azote (Norsk Hydro) and printed by Norsk Lithografisk Officin, Oslo, this piece showcases the artistry and craftsmanship of vintage botanical prints.

In excellent condition.