Alopecurus geniculatus, spec. nov.

2. Alopecurus culmo spicato infracto. Fl. suec. 53. Dalib. paris.20.

Alopecurus culmo infracto, aristis gluma longioribus. Roy. lugdb.54.

Alopecurus aristis gluma longioribus, Fl. lapp. 37.

Gramen aquaticum geniculatum spicatum. Bauh. pin.3. Scheuch. gram.72.

β. Alopecurus aristis gluma aequalibus. Fl. lapp. 38.

Habitat in Europae uliginosis. ♃