Hieracium subcrassum (Almq. ex Dahlst.) Brenner

Sennikov, Alexander, 2025, The collection-based inventory and spatial analysis of Hieracium s. str. (Asteraceae) in Finland, Biodiversity Data Journal 13, pp. e 154676-e 154676 : e154676-

Hieracium subcrassum (Almq. ex Dahlst.) Brenner

Native status

Native. Forest margins.

Distribution

Finland: Al; Sweden ( Tyler 2006 e). Reported also from Central Europe ( POWO 2025).

Diagnosis

Stems 50–60 cm tall. Rosulate leaves narrowly oblong, base truncate to broadly cuneate, apex broadly acute, with large coarse teeth mostly in the basal half, rather thin, dark-green, with dense simple hairs up to 5 mm above, on short petioles. Cauline leaf single, similar, reduced in size. Phyllaries narrowly triangular, with acute apex, 10–11 mm long, blackish-green, with sparse blackish simple hairs 0.5–0.8 mm long (covering the whole length in the central head, at the base in lateral heads), abundant black glandular hairs 0.7–1.2 mm long and sparse stellate hairs along the margins, apex with short ciliae. Synflorescence branches without simple hairs, with dense glandular hairs 0.3–0.5 (0.7) mm long and stellate hairs. Styles with black papillae. Ligules glabrous.