Ulmus glabra 'Firma' Elm cultivar From Wikipedia, the free encyclopedia The Wych Elm cultivar Ulmus glabra 'Firma' was described by Schneider in 1904.[1][2] SpeciesUlmus glabraCultivar'Firma'OriginEuropeQuick facts 'Firma', Species ...Ulmus glabra 'Firma'SpeciesUlmus glabraCultivar'Firma'OriginEuropeClose Description The tree was described as having leaves like the species but firmer in texture.[2][3] Cultivation No specimens are known to survive. References [1]Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017. [2]Schneider, Camillo Karl (1904). Illustriertes Handbuch der Laubholzkunde. Vol. 1. Jena G. Fischer. p. 217. [3]"Herbarium specimen - L.1587158". Botany catalogues. Naturalis Biodiversity Center. Sheet described as Ulmus glabra Huds. f. firma Schneid. Related Articles~TimelinesTop QsFact Checks