Rutstroemia calopus
Rutstroemia calopus P. Karst.
Rutstroemiaceae
Conservation status. Critically Endangered [CR B1ab(i,iii)+2b(iv)].
Morphology and biology. Fruit-bodies (apothecia) superficial, discoid with cylindrical pale ochre stalk, up to 3 mm long; disc 1–15 mm in diameter, slightly concave to almost flat, pale-ochre. Spores late ellipsoid, 12.5–15 × 5–6 µm, unicellular with acute ends and two big oil drops, hyaline. V–VI.
Habitats and populations. On dead herbaceous leaves and stems in grass communities.
Distribution in Bulgaria. Vitosha Region (Vitosha Mt).
General distribution. Europe.
Threats. Habitat changes as result of drought, wood plantation, wood extraction, change in native species dynamics (directly impacting habitat); tourism, restricted distribution.
Conservation measures taken. Included in the Red List of Fungi in Bulgaria. The locality is situated in a site of the European ecological network Natura 2000 in Bulgaria.
Conservation measures needed. Research into the biology and ecology of the species; inclusion in the National monitoring system of the biological diversity; preservation of the locality of the species.
References. Dimitrova 1996, 2002b; Gyosheva et al. 2006.
Author: Evtimiya Dimitrova
