NPSpecies

MORU plant certification file by Hollis Marriott (Jan 2005) reported that there is ongoing debate as to how to differentiate L. lewisii from the cultivated European L. perenne, as well as intermediates resulting from hybridization between the two. Some treat lewisii as a var. of perenne. It would be best to recognize L. lewisii until the experts sort everything out.; Data Source: Symstad & Bynum. 2005 vegetation report Bibkey ID: 590020.

There is ongoing debate as to how to differentiate L. lewisii from the cultivated European L. perenne, as well as intermediates resulting from hybridization between the two. Some treat lewisii as a var. of perenne. It would be best to recognize L. lewisii until the experts sort everything out. Considered native in PLANTS (2019 Marriott)

Park Species Detail: Occurring in the planted landscape near the Avenue of Flags and the Grand View Terrace at MORU., Park Species Data Source: Symstad and Bynum. 2005. Final Report: Vascular Plant Observations at MORU Bibkey: 590020