ArtworkLinaria vulgaris (Yellow Toadflax), Trifolium pratense (Red Clover), Centaurea jacea (Brownray Knapweed). Sheet 24 from the portfolio Nature StudiesSign in to saveHilma af Klint — August 4–8, 1919 — Watercolor, pencil, ink, and metallic paint on paper from a portfolio of 46 drawingsArtwork · Museum of Modern ArtWatercolor, pencil, ink, and metallic paint on paper from a portfolio of 46 drawingsArtistHilma af KlintDateAugust 4–8, 1919MediumWatercolor, pencil, ink, and metallic paint on paper from a portfolio of 46 drawingsView at Museum of Modern Art · Open Access