-
hybrid elm
cultivar Ulmus ×
intermedia 'Improved
Coolshade' is a
superior selection from '
Coolshade' (U.
rubra × U. pumila) and was
patented and released...
- The
hybrid elm
cultivar Ulmus ×
intermedia '
Coolshade' is an
American hybrid cultivar cloned from a
crossing of the Slippery, or Red, Elm
Ulmus rubra...
-
hybrid parent in the 1960s,
resulting in the
cultivars '
Coolshade', 'Fremont', 'Improved
Coolshade', 'Lincoln', 'Rosehill', and
probably 'Willis'. In later...
-
Superba Tricolor Tyr
Vegeta Viminalis Viscosa Wentworthii Pendula Wredei Ypreau U. ×
intermedia Coolshade Fremont Improved Coolshade Lincoln Rosehill Willis...
-
Pendula Wredei Ypreau var.
insularum Ulmus x intermedia. US
Coolshade Improved Coolshade Fremont Lincoln Rosehill Willis U.
macrocarpa × U. davidiana...
-
Superba Tricolor Tyr
Vegeta Viminalis Viscosa Wentworthii Pendula Wredei Ypreau U. ×
intermedia Coolshade Fremont Improved Coolshade Lincoln Rosehill Willis...
- with high
levels of
resistance to
Dutch elm disease: Arno, Cathedral,
Coolshade, Fiorente, Homestead, Lincoln,
Morton Plainsman = Vanguard,
Morton Stalwart...
-
Superba Tricolor Tyr
Vegeta Viminalis Viscosa Wentworthii Pendula Wredei Ypreau U. ×
intermedia Coolshade Fremont Improved Coolshade Lincoln Rosehill Willis...
-
Superba Tricolor Tyr
Vegeta Viminalis Viscosa Wentworthii Pendula Wredei Ypreau U. ×
intermedia Coolshade Fremont Improved Coolshade Lincoln Rosehill Willis...
-
Superba Tricolor Tyr
Vegeta Viminalis Viscosa Wentworthii Pendula Wredei Ypreau U. ×
intermedia Coolshade Fremont Improved Coolshade Lincoln Rosehill Willis...
