A detail view of the flower petals of a Smooth yellow violet: <i><b>Viola pubescens</b></i> var. <i><b>scabriuscula</b></i> (syn. <i>Viola pubescens eriocarpa</i>)
<bdi><a href="https://www.wikidata.org/wiki/Q28112513" class="extiw" title="d:Q28112513"><span title="American photographer with the United States Fish and Wildlife Service">Ryan Hagerty</span></a>
</bdi>
<a rel="nofollow" class="external free" href="https://digitalmedia.fws.gov/cdm/singleitem/collection/natdiglib/id/13451/rec/127">http://digitalmedia.fws.gov/cdm/singleitem/collection/natdiglib/id/13451/rec/127</a>  	NCTC Image Library