Linaria vulgaris

B. S. Walters
A. A. Reznicek
C. Peirce
R. Schipper
R. W. Smith
R. Schipper
R. Schipper
R. Schipper White form
R. Schipper White form
R. Schipper White form
R. Schipper White form
A. A. Reznicek one stem with 2-lipped & and regular flower forms
B. S. Walters