Hieracium acidotum Dahlst.

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 acidotum Dahlst.

Native status

Native. Sparse pine forests.

Distribution

Finland: Ab, N, Ta, Sa; Norway, Sweden ( Tyler 2006 e).

Notes

This species is also reported from Germany ( Gottschlich 2024), apparently in an expanded circumscription.

Diagnosis

Stems 30–50 cm tall. Rosulate leaves elliptic or elliptic-ovate, base broadly cuneate to truncate, apex subrotund to broadly triangular, with prominent large teeth, rather thin, glaucous-green, glabrous above, on long petioles. Cauline leaves similar, single at the stem base. Phyllaries linear-triangular, with a narrowly attenuated, subulate apex, 9–10 mm long, grey-green, with rather dense simple hairs 1–1.5 mm long, sparse glandular hairs 0.2–0.4 mm long and sparse stellate hairs at the base, apex without ciliae. Synflorescence branches with sparse simple hairs, rare glandular hairs 0.1–0.3 mm long and stellate hairs. Styles with dark papillae. Ligules glabrous.