page_title: List of extinct plants
section_title: Prehistoric extinctions
hierarchical_section_title: List of extinct plants / Prehistoric extinctions
caption_attribution_description: English: A pair of two Dillhoffia cachensis calyces, a small more complete calyx in teh upper left and a larger calyx in the center. 49.5 Million Years old; Boot Hill", Klondike Mountain Formation, Republic, Washington, USA. Stonerose Interpretive Center Collection # SR 92-17-20.
context_page_description: The following is a list of extinct plants only.
caption: Dillhoffia
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