Mimulus douglasii, or Purple Mouse Ears, can be seen in the spring on many slopes. The monument is at the upper end of its elevation range.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/100953877@N07">Oregon Caves</a> from Cave Junction, USA
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/oregoncavesnps/10335007654/">Purple Mouse Ear</a>