Festuca greuteri, Martinez-Sagarra & Devesa, 2019

Martínez-Sagarra, Gloria & Devesa, Juan A., 2019, Two new taxa of Festuca (Poaceae) from the southeastern Iberian Peninsula, Phytotaxa 395 (4), pp. 251-264 : 261

Key to Festuca greuteri and closely related species

1. Penultimate leaf sheath closed, tubulose, with margins fused along its entire length............................................... F. segimonensis

- Penultimate leaf sheath open, with margins overlapped at least at the distal end..............................................................................2

2. Panicle (2–)2.5–5(–6.5) cm; lemma (3.2)–3.4–4.4(–4.7) mm, that of the second basal floret with awn of (0.7–)0.9–1.8(–2) mm; auricles 0.3–1.4(–1.8) mm; anthers 1.5–2.3(–2.8) mm .......................................................................................... F. longiauriculata

- Panicle 2–8.5(–9) cm; lemma (3.6–) 4.2–6.7 mm, that of the second basal flower with awn of (0.1–)0.2–2.3(–2.5) mm; auricles 0.1–0.5(–0.8) mm; anthers (1.7–)1.9–3.4(–3.6) mm .......................................................................................................... F. greuteri