Hieracium caesiomurorum Lindeb.

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 caesiomurorum Lindeb.

Native status

Native. Pine and spruce forests.

Distribution

Finland: Al, Ab, N, St, Ta, Sa, Oa, Tb, Sb, Om; Denmark ( Schou 2001), Norway, Sweden ( Samuelsson 1954, Tyler 2006 e), northern European Russia ( Schljakov 1989, Sennikov 2000, Sennikov 2008 b), Baltic countries ( Sennikov 2003 b). Reported also from other parts of Europe ( POWO 2025).

Diagnosis

Stems 30–50 cm tall. Rosulate leaves broadly lanceolate to lanceolate-ovate, with small to prominent narrow teeth, rather thick, glaucous-green, with sparse simple and stellate hairs above, on long petioles. Cauline leaves similar, 1–2 in the basal half. Phyllaries with a broad apex, 10–11 mm long, grey-green, with rather dense simple hairs 0.5–1 mm long, sparse glandular hairs 0.2–0.5 mm long and stellate hairs mostly along the margins, apex white-margined, with dense and abundant short ciliae and stellate hairs. Synflorescence branches with rare simple hairs, dense glandular hairs 0.2–0.3 mm long and stellate hairs. Styles with black papillae. Ligules glabrous.