Table 3.
Survey of some selected ecological and morphological features of the five here treated foliicolous species of Hymenoscyphus with a black stroma (ascus and spore size in Asian Hy. fraxineus after description in Hosoya et al. (1993) and a drawing by J.G. Han personal communication).
| Hy. albidus | Hy. fraxineus | Hy. fraxineus | Hy. honshuanus | Hy. aesculi | Hy. vacini | |
|---|---|---|---|---|---|---|
| Distribution | Europe | Europe | E-Asia | E-Asia | Europe, [E-Asia] | Europe |
| Host | F. excelsior, F. angustifolia | F. excelsior, F. angustifolia | F. mandshurica, F. rhynchophylla | Aesculus turbinata | Aesculus hippocastanum | Acer pseudoplatanus |
| Phenology | (VI–)VII–IX(–X) | (V–)VI–IX | VII–IX | VIII | VII–X | VIII–IX(–X) |
| Period of record | 1850–2012 | 2006–2014 | 1990–2011 | 1961 | 1942 – 2012 | 1939–2006 |
| Altitude [m] | 3–1690 | 3–1120 | 23–1325 | ~500–800 | 3–700[–1325] | 115–905 |
| Ascospores [µm) | *(14.5–)15–18.5(–19.5) × (3.8–)4–4.7(–5) | *(15–)16–20(–22) × (3.7–)4–4.5(–5) | †14–21 × 3.2–5 | †15–20.3 × 3.8–5(–5.4) | *(14–)15–20(–21.5) × (3.7–)4.2–5(–5.2) | *(16–)20–24(–29) × (3.7–)4.5–5.5(–6.5) |
| Asci [µm] | *91–102 × 10–11.2 | *97–135 × 10–12.7 | †96–126 × 8–10 | †85–94 × 8.5–9 | *86–104 × 9–11.5 | *90–113 × 9.5–12.8 |
| Croziers | – | + | + | + | – | – |
| Apoth. [mm] | (0.8–)1–2.5(–4) | (0.7–)1–6(–8.5) | (0.5–)1–2.5(–3.3) | ~1.5–3.5 | (0.3–)0.6–1.5(–2) | 0.6–2 |