Daisy Fleabane -- Erigeron philadelphicus
 Each flower is 1/4-3/8 inch across. My front yard has many uninvited visitors until near the end of April when the St. Augustine has thickened enough to smother them. This is one of the many uninvited.
<a href="//commons.wikimedia.org/wiki/User:Jim_Evans" title="User:Jim Evans">Jim Evans</a>
<span class="int-own-work" lang="en">Own work</span>