Figure 6. On-site horizontal flow (HF) CWs at Struhaře, Czech Republic, planted with Phalaris arundinacea and Iris pseudacorus. Photograph taken by the author.
Figure 6. On-site horizontal flow (HF) CWs at Struhaře, Czech Republic, planted withPhalaris arundinacea and Iris pseudacorus. Photograph taken by the author.