Table 2 Morphological comparison of ascomata belonging to the novel Resinogalea found on Araucaria araucana, Cryptocalicium blascoi, Resinogalea humboldtensis and Bruceomyces castoris

Habitat

Host

Araucaria araucana

Araucaria humboldtensis

Juniperus spp.

Pseudotsuga, Abies, Acer, Alnus

Location

Chile

New Caledonia

Spain

USA

Ascomata

Height (µm)

(556) 766–1070 (1540)

650–1500

150–360

800–2500

Stipe

Length (µm)

(257) 364–598 (1069)

–

100–260

–

Width (µm)

(70) 92–214 (275)

80–140

20–40

(75) 85–135 (200)

Hyphae on stipe

Width (µm)

2–3

(2.5) 3.0–4.5 (5.4)

(0.2–0.4) 1.2–1.6

–

Capitulum

Height (µm)

(121) 230–344 (500)

–

50–100

–

Width (µm)

(204) 293–394 (467)

–

100–150

(170) 200–310 (430)

Mazaedium

Colour

Reddish brown

Reddish brown

Light ochre to greyish green

Pale greyish to reddish-brown

Ectal Excipulum

Cell width (µm)

3–6 (9)

–

3.5–5.5

–

Hymenium

Colour

Hyaline or slightly yellowish

Hyaline

Pale brown

Pale to medium brown, oil droplets

Texture

Angularis–intricata

–

Angularis–globulosa

Asci

Qualitative

Clavate, pedicellate, bitunicate, evanescent, 8–spored, often with biseriately arranged spores

 Clavate, 8–spored, often with biseriately arranged spores

Clavate, bitunicate, initially thick–walled (wall 1 μm), then thin–walled, evanescent, 8–spored

Clavate, 8-spored, with relatively thick wall, not differentiated at the apex

Length (total)

21–38 (57)

–

20–27

15–20

Width (total)

4–6

6–9

5–7

7–9

Sporiferous (L)

(15.5–)19–23(–30)

14–28

10–16

–

Pedicel (L)

6–18.5(–32)

22–43

–

20–25

Pedicel (W)

1.5–3

–

1 (diam.)

–

Ascospores

Shape

Broadly ellipsoidal varying to globose or ellipsoidal

Globose to broadly ellipsoidal, erythrocyte–like

Globose to subglobose, rarely ellipsoid

Ellipsoidal

Colour

Pale brown

Pale brown

Pale brown

Pale brown

Ornamentation

Smooth or slightly verrucose

Smooth, with very slight ornamentation visible in SEM

Smooth when viewed in a light microscope

Surface with longitudinal wrinkles visible under the light microscope

Length (µm)

4–5.5 (6.5)

(3.0) 3.6 – 4.7 (5.8)

(3)3.3–4(4.7)

(6.0) 7.0–8.3 (9.8)

Width (µm)

(3.5) 4–5.5

(2.7) 3.3 – 4.3 (4.6)

2.8–3.5 (4.0)

(4.0) 4.4–5.1 (5.8)

Paraphyses

Shape

Filiform, obtuse, non–branched

Filiform and non–branched

Cylindrical, obtuse

–

Colour

Hyaline

Hyaline

Hyaline to very pale brown

–

Septa (n)

(1) 2–4 (5)

–

2–4 septa

–

Length (µm)

64–121(–172)

–

32–40

–

Width (µm)

2–3

2.0–4.2

1.5–2

2.5–3.5