https://fsus.ncbg.unc.edu/main.php?pg=show-taxon-detail.php&taxonid=2003
Elymus svensonii (Svenson's Wild-rye) - FSUS
wild ryeelymussvenson
https://www.semanticscholar.org/topic/Ahnfeltiopsis-svensonii/12325277
Ahnfeltiopsis svensonii | Semantic Scholar
semanticscholar