Calceolus. Illustration from Stirpium rariorum … ab Ioanne Ammano
Johann Amman (1707-1741)
1739
Stirpium rariorum in Imperio rutheno sponte provenientium icones et descriptions collectae ab Ioanne Ammano ... Petropoli, ex typographia Academiae scientiarvm, 1739 (<a rel="nofollow" class="external free" href="http://www.botanicus.org/bibliography/b12214723">http://www.botanicus.org/bibliography/b12214723</a>)