406 Trichophorum caespitosum (L.) Hartm.

Syn.: Scirpus caespitosus L.

This species is widely distributed in Eurasia and N. America. A few lower taxa are distinguished, viz. subsp. caespitosum (syn.: subsp. austriacum [Palla] Hegi) with a circumpolar distribution (Hultén, Circumpol. I, p. 42 and map 35), subsp. germanicum (Palla) Hegi restricted to W. Europe, and var. delicatulum Fem. in eastern N. America. Subsp. caespitosum is also reported from Himalaya and New Guinea. Cf. also Meusel et al. 1965, map p. 59.