ThistleDown, thanks for posting and discussing the flowers. It's actually my fault for looking things up on Wikipedia.
http://en.wikipedia.org/wiki/Linnaea
It says about Carl Linnaeus under the "Cultural references" section:
Linnaeus took Linnaea borealis as his own personal symbol when he was raised to the Swedish nobility in 1757. In his Critica Botanica (1737), Linnaeus had used Gronovius' name Linnaea as an example to advocate the use of commemorative personal names as botanical names:
Perhaps one of the experts of heraldry will stumble across this thread and answer the question.
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