calamagrostidis (4B) 5′ Stromata hairy when young, red to dark reddish brown; ostiolar dots absent or indistinct; conidia green H. junci (1 T) 6 Stromata upright, height usually exceeding the width, with a sterile stipe (formerly Podostroma, Podocrea) 7 6′ Stromata different 10 7 On wood and bark, stromata clavate or irregular, fertile part yellow; slow-growing; anamorph on CMD trichoderma-like, green-conidial when fresh H. alutacea (2P) 7′ On the ground on forest litter; anamorphs on CMD
verticillium-like or reduced, white-conidial; predominantly in North Europe 8 8 Stromata large, to more than 10 cm long; fertile part reddish brown to brownish orange, pigment inhomogeneously distributed; distal ascospore cell HSP inhibitor review 3.0–5.5 × 3.0–4.2 μm; conidia large, 5–21 × 3–9 μm, typically produced on solitary phialides H. nybergiana (2P) 8′ Stromata smaller, typically <5 cm long, fertile part paler, yellowish; distal ascospore cell 2.7–4.0 × 2.3–3.5 μm; anamorph verticillium-like 9 9 Colour not changing upon drying,
fertile part sharply delimited from the stipe; conidia ellipsoidal, 2.8–6.2 × 2.0–3.0 μm H. leucopus (2P) 9′ Colour changing to ochre upon drying, perithecia decurrent on the stipe; conidia subglobose to ellipsoidal, 2.5–4.5 × 2.0–3.7 μm H. seppoi (2P) 10 Stromata hypomyces-like, perithecia seated on or in a subiculum; Selleck MG 132 anamorphs white-conidial 11 10′ Perithecia embedded in a fleshy, at least partially pseudoparenchymatous stroma 16 11 Ascospore cells conical, 4–6 × 2–3 μm, with minute acute appendages; anamorph verticillium-like Arachnocrea stipata 11′ Ascospores rounded 12 12 On aphyllophoralean fungi; anamorphs gliocladium-like 13 12′ On wood and bark, overgrowing fungi or bryophytes; Bcl-w anamorphs verticillium-like 14 13 On Skeletocutis spp. and other polypores; perithecia yellowish, amber to olive; subiculum white, KOH- Protocrea farinosa 13′
On Oligoporus and Tyromyces spp., perithecia orange, subiculum white or orange, KOH+ purple Protocrea pallida 14 Perithecia ochre, orange or brown, subiculum white or brownish, KOH-; perithecia small, up to 200 μm diam; distal ascospore cell 2.3–3.7 × 2.0–3.2 μm H. delicatula (3E) 14′ Subiculum with different colours, more compact, KOH+; distal ascospore cell 3.0–5.5 × 2.5–4.0 μm 15 15 Subiculum red in fertile areas, purple in KOH H. parmastoi (3E) 15′ Subiculum olive-brown to yellow-brown, turning brown to grey in KOH H. alcalifuscescens (3E) 16 Stromata effuse to subpulvinate at maturity, extending to >1 cm; margin often attached on the substrate at least when young; surface not conspicuously hairy or velutinous except in H.