Figure 4 from: Liu B, Paszko B (2020) Calamagrostis hongii (Poaceae, Agrostidinae), a new species from southwestern China. PhytoKeys 166: 41-55. https://doi.org/10.3897/phytokeys.166.53010

Figure 4 Leaf (2nd leaf from the top) characteristics of Calamagrostis arundinacea (L.) Roth. A hairy leaf collar B leaf ligule C upper (adaxial) surface D lower (abaxial) surface. A–D Slovakia, V. Mikoláš 8501 (W) E, F France, G. Gautier 63 (W). Scale bars: 1 mm (A, B); 0.5 mm (C, D). Photographs by B. Paszko.