There were 3 illustrations found:
6 263602 Coleanthus subtilis (Tratt.) Seidel ex Roemer & Schultes [125 918674 Schmidtia subtilis Tratt.]
Flora, vol. 2(1): : (1819) [Jos. Sikora]
12 865567 Ranunculus alpestris L. [80 868536 Ranunculus traunfellneri Hoppe]
Flora, vol. 2(1): : (1819) [J. Sturm]
6 263602 Coleanthus subtilis (Tratt.) Seidel ex Roemer & Schultes [125 918674 Schmidtia subtilis Tratt.]Flora, vol. 2(1): : (1819) [Jos. Sikora]
12 865567 Ranunculus alpestris L. [80 868536 Ranunculus traunfellneri Hoppe]Flora, vol. 2(1): : (1819) [J. Sturm]