Studies in flower structure I On a peloria of Digitalis purpurea, L

[1] DECANDOLLE AP, 1827, ORGANOGRAPHIE VEGETA, V1

[2] MASSALONGO C, 1916, B SOC BOT ITAL, P71

[3] Penzig O, 1921, PFLANZEN TERATOLOGIE

[4] von Wettstein R., 1891, NATURLICHEN PFLANZEN, P39, DOI DOI 10.5962/BHL.TITLE.4635

[5] Worsdell W.C., 1916, PRINCIPLES PLANT TER, VII

[1] DECANDOLLE AP, 1827, ORGANOGRAPHIE VEGETA, V1

[2] MASSALONGO C, 1916, B SOC BOT ITAL, P71

[3] Penzig O, 1921, PFLANZEN TERATOLOGIE

[4] von Wettstein R., 1891, NATURLICHEN PFLANZEN, P39, DOI DOI 10.5962/BHL.TITLE.4635

[5] Worsdell W.C., 1916, PRINCIPLES PLANT TER, VII