The common names for Collinsia parviflora are quite appropriate: the entire corolla (the blue/white part of the flower in the photo) is only 4-8mm in size.
Collinsia parviflora (Littleflower Collinsia)
LICENSING & PRINT INQUIRIES: please contact me referencing photo ID "Collinsia-19-0440". More information is on my photo licensing information page and my print shop overview page.
Prints and licensed images are not watermarked.