Table 3.

Main diagnostic ecological (host species) and morphological characters for Entyloma species on Ranunculus. E. = Entyloma, R. = Ranunculus.

Species	Host plant	Arrangement of spores in the sori (between the leaf mesophyll cells)	Spore sizes (μm)	Mean spore sizes and standard deviation (μm)	Spore wall thickness (μm)	Asexual morph	Conidia
Entyloma microsporum complex (sori forming swollen pustules and spores with cracked surface)
E. bullosum	R. paludosus	very densely crowded	(11.5–)15.0–21.5(–26.5) ×(10.5–)12.0–16.5(–19.5)	18.1 ± 2.9 × 14.9 ± 1.8	2.5–7.0(–8.0)	absent	absent
E. microsporum	R. acris, R. repens (type host)	very densely crowded	10.0–18.5(–24.0) ×(9.5–)10.0–13.5(–17.5)	14.6 ± 2.8 × 12.2 ± 1.7	(1.5–)2.0–4.5	absent	absent
E. piepenbringiae	R. polyanthemos subsp. nemorosus (type host), R. repens	very densely crowded	(10.5–)12.0–17.5(–21.0) × (9.0–)10.0–15.5(–16.0)	14.5 ± 2.4 × 12.5 ± 1.4	(1.5–)2.5–4.0(–6.0)	absent	absent
Entyloma ranunculi-repentis complex (sori forming flat leaf spots and smooth spores)
E. eburneum	R. bulbosus, R. polyanthemos, R. repens	loosely scattered or moderately densely crowded	(9.5–)11.0–13.5(–16.0) × (9.0–)9.5–13.5(–14.5)	12.3 ± 1.4 × 11.3 ± 1.3	1.0–1.5(–2.0)	present	dimorphic, cylindrical, 15–22 × 2.5–4.0 μm, and acicular, 30.0–45.0(–60.0) × (2.0–)2.5–3.5 μm
E. jolantae	R. oreophilus	densely crowded	10.5–15.5(–16.5) × 10.0–13.5(–14.5)	13.2 ± 1.4 × 11.6 ± 1.1	1.5–2.0	absent	absent
E. klenkei	R. marginatus	loosely scattered	10.5–13.0 × 10.0–12.5	11.7 ± 0.9 × 11.1 ± 0.7	1.0–1.8	absent	absent
E. kochmanii	R. lanuginosus	loosely scattered	(9.0–)11.0–13.0 × (9.0–)10.0–12.5	11.7 ± 0.9 × 10.9 ± 0.8	0.5–1.5	present	cylindrical, 20–24 × 3.0–3.5(–4.0) μm
E. ranunculacearum	R. acris	loosely scattered	10.0–13.5(–14.5) × (9.0–)10.0–12.5(–13.5)	11.8 ± 1.1 × 10.9 ± 0.8	0.8–1.5	present	cylindrical, (10–)15–19(–25) × 2.5–3.5(–4.0) μm
E. ranunculi-scelerati	R. sceleratus	loosely scattered	(9.5–)10.0–12.5(–13.5) ×(9.0–)10.0–12.5(–13.0)	11.7 ± 0.9 × 11.0 ± 0.9	1.0–1.5	present	dimorphic, acicular, rarely cylindrical, 20–60 × (2.0–)2.5–3.5(–4.0) μm
E. ranunculorum	R. auricomus	loosely scattered or moderately densely crowded	10.0–12.5(–14.5) × (9.0–)10.0–12.5(–13.0)	11.8 ± 0.9 × 10.9 ± 0.9	1.0–1.5(–1.8)	present	cylindrical, 16–28 × 2.5–3.5(–4.0) μm
E. savchenkoi	R. paludosus	loosely scattered or moderately densely crowded	(10.0–)12.0–16.5(–18.0) × (9.0–)11.0–14.5(–15.0)	13.9 ± 1.4 × 12.3 ± 1.2	1.5–2.5(–3.0)	present	acicular-cylindrical, 25–40 × 2.5–3.0(–3.5) μm
E. thielii	R. montanus	densely crowded, often in compact groups	(9.5–)11.0–14.5(–16.5) × 9.0–12.5(–13.0)	12.5 ± 1.5 × 10.8 ± 1.0	0.8–1.5	absent	absent
Entyloma verruculosum (indistinct sori and distinctly tuberculate spores)
E. verruculosum	Ranunculus spp.	densely crowded in the intercellular spaces	(11.0–)12.0–14.5(–16.0) × (10.5–)11.0–14.5(–15.0)	13.4 ± 1.4 × 13.1 ± 1.4	1.5–2.5	absent	absent