One-day identification course on the Dryopteris affinis group (scaly male ferns), Rooterberg (LU)
Saturday, September 17, 2022: German with French translationSunday September 18, 2022: German The genus of Dryopteris (Dryopteris) poses great challenges for field botanists. The most… Weiterlesen »One-day identification course on the Dryopteris affinis group (scaly male ferns), Rooterberg (LU)