Diagnose : • Description: fescue from lower levels (plains and hills), green, tiller leaf with elliptical cross section,
sherenchyma in a continuous ring arranged in (0) 1 (2) layers of cells, 1 rib and two furrows, Ø ≤ 0.6 mm. – leaf
blade [(0.2) 0.30.6 (0.65)] mm Ø – spikelet [56 (6.5)] mm long – lemma [(2.5) 34 ( 4,5)] mm long – [(0) 1 (2)]
layers of sclerenchyma cells – (5) 7 veins – generally discernible bulliform cells – located in the irradiation zone of
the “Colmar drought pocket” under climate of shelters, as far as the north of Strasbourg on the dikes of the Rhine.
Références :
Boeuf et al. (2022)
Holotype : • Holotypus n° BASBG00226821 deposited in the herbarium of the Botanical Society of Basel (Basler
Botanische Gesellschaft, Université de Bâle, Suisse), (see Appendix 2, Fig. 8, board 12B)
[Label legend: Festuca ovina subsp. vulgaris (Koch) leg. et det. V. Rastetter (18/5/1957), vid. RB & JPB
(2018)], “aérodrome de Habsheim (68) Forêt Domaniale de la Harth sud” > “Habsheim aerodrome, State Forest of
the South Harth”].
• Paratypus: n° BASBG00226820
[Label legend: Festuca ovina L. s. l. subsp. vulgaris (Koch), leg. et det. V. Rastetter (29/05/1969), vid. RB &
JPB (2018), “HautRhin, decalcified lawns of the aerodrome, near Habsheim, with Achillea millefolium, Thymus
serpyllum s. l., Pleurozium schreberi and Poa pratensis, southern part of the land around 240 m].
Références :
Boeuf et al. (2022)