page_title: Ulmus × hollandica 'Pioneer'
hierarchical_section_title: Ulmus × hollandica 'Pioneer'
caption_attribution_description: English: Ulmus hollandica 'Pioneer'; Photo by R. Nijboer
context_page_description: The hybrid elm cultivar Ulmus × hollandica 'Pioneer' is an American clone arising from the crossing of two European species, Wych Elm U. glabra and Field Elm U. minor. Raised by the USDA station at Delaware, Ohio, in 1971, 'Pioneer' was released to commerce in 1983.
context_section_description: The hybrid elm cultivar Ulmus × hollandica 'Pioneer' is an American clone arising from the crossing of two European species, Wych Elm U. glabra (female parent) and Field Elm U. minor. Raised by the USDA  station at Delaware, Ohio, in 1971, 'Pioneer' was released to commerce in 1983.
caption: 'Pioneer', Netherlands
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