Oak
You may also be looking for Kubus Oak, a Bajoran collaborator.
An oak (genus Quercus) was a type of tree native to Earth.

Malcolm Reed was allergic to oak pollen. ()

The presence of oak trees clued Jean-Luc Picard in to the fact that Q had not sent the crew to the planet Tagus III but rather his idea of Sherwood Forest. ()

An oak was one of the images  told Captain Kathryn Janeway he could see on a wall that was reflecting the light from a lamp. ()

When she was six years old, Janeway witnessed a lightning bolt shatter an oak tree that she had climbed just a few hours before during a thunderstorm on her grandfather's yard. ()

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Earth plants