Observaciones de ikhom

Large black spots on overwintered Quercus macrocarpa leaves. On many leaves and observed in several locations.
Asci 8-spored, IKI-, likely bitunicate.
Ascospores hyaline, fusiform, with 1-septum, with wider apical cell. Spores measured
*(13.9) 14.6 - 18.3 (19.2) × (3.7) 3.8 - 4.4 (4.5) µm
Q = (3.5) 3.6 - 4.4 (4.7) ; N = 22
Me = 16 × 4.1 µm ; Qe = 3.9

On overwintered herb stems (Leonurus cardiaca) tiny black coelomycete.
Conidia hyaline, cylindrical, aseptate, biguttulate, measured
*(3.9) 4.3 - 4.7 (5.1) × (1.4) 1.44 - 1.7 (1.8) µm
Q = (2.4) 2.6 - 3.1 (3.3) ; N = 20
Me = 4.5 × 1.6 µm ; Qe = 2.8

On deer dung tiny orange cup fungi with hyaline marginal hairs.
Asci 8-spored.
Ascospores ellipsoid, eguttulate, measured
*(18.7) 18.73 - 20.2 (20.4) × 9.3 - 10.3 (10.9) µm
Q = (1.8) 1.9 - 2 (2.1) ; N = 8
Me = 19.4 × 9.9 µm ; Qe = 2
Marginal hairs thick-walled, aseptate.

Erumpent cup fungi on ?Prunus serotina overwintered leaves.
Asci 8-spored, IKI+rb.
Ascospores aseptate, narrow-fusoid, smooth, measured
*(33.2) 35 - 43.5 (56.9) × (3.1) 3.5 - 4.3 (4.5) µm
Q = (9.4) 9.43 - 11.6 (13.6) ; N = 11
Me = 40.9 × 3.8 µm ; Qe = 10.7

Paraphyses without VBs.

Small erumpent olive-green cup fungi on broken hardwood (Crataegus) tree.
Asci 8-spored, IKI+R.
Ascospores ellipsoid, multiguttulate, measured from inside asci
*(19.4) 20.8 - 26.3 (27.3) × (9.7) 9.9 - 11.7 (12.2) µm
Q = (1.6) 1.9 - 2.46 (2.5) ; N = 10
Me = 23 × 10.9 µm ; Qe = 2.1
Paraphyses tops olive-green, slightly enlarge.

On Alnus hirsuta broken branch found on the ground.
Conidia hyaline, aseptate, with short appendages at both ends, measured
*(4.3) 4.5 - 5.3 (5.7) × (1.3) 1.4 - 1.7 µm
Q = (2.7) 2.9 - 3.5 (3.9) ; N = 17
Me = 4.9 × 1.5 µm ; Qe = 3.2

On corticated wood of dead Alnus hirsuta and on cone stems erumpent conidioma.
Conidioma produce white conidia mass.
Conidia C-shaped, aseptate, hyaline, measured
*(41.9) 42.3 - 47.6 (49.8) × (5.4) 5.8 - 7.1 (7.7) µm
Q = (5.9) 6.1 - 8 (8.4) ; N = 15
Me = 45.2 × 6.5 µm ; Qe = 7

On Alnus hirsuta broken branch found on the ground tiny black ?cups.
Apothecia sessile, flat, superficial.
Asci bitunicate, IKI+R (I don't remember seeing this reaction to IKI), 8-spored.
Ascospores hyaline, shoes-shaped.

On overwintered Acer saccharum -Sugar Maple leaf tiny immersed pyrenomycete fungi.
Perithecia black with a short neck.
Asci 8-spored, unitucate.
Ascospores hyaline, with 1-septum and with long appendages from both ends, measured
*(9.1) 10.1 - 11.3 (12) × (2.1) 2.14 - 2.4 (2.6) µm
Q = (4.2) 4.3 - 5.1 (5.6) ; N = 16
Me = 10.8 × 2.3 µm ; Qe = 4.7

On overwintered Quercus macrocarpa leaf reddish spots with hyaline cup fungi. Apothecia erumpent, 0.13-0.16mm in diameter.
Asci 8-spored, IKI+R, biseriate.
Ascospores siboroid to ellipsoid, eguttulate, measured
*(6.6) 6.7 - 7.5 (7.9) × (2.5) 2.6 - 3.2 µm
Q = (2) 2.2 - 2.8 (2.9) ; N = 12
Me = 7.1 × 2.9 µm ; Qe = 2.5
Paraphyses cylindrical, without VBs, septate.

Ass. Ophiognomonia setacea.

Black fungus on overwintered fern petioles (?Pteridium aquilinum - Common Bracken).
Asci bitunicate, 8-spored, IKI-, 61-65x8.5-9.8um.
Ascospores hyaline, fusiform, with 1-septum, constricted at the septum, measured
*(14.9) 15.2 - 19.9 (20.3) × (3.9) 4.3 - 5 (5.2) µm
Q = (3.3) 3.4 - 4.1 (4.5) ; N = 18
Me = 17.6 × 4.6 µm ; Qe = 3.8

On overwintered Quercus ?macrocarpa leaf immersed perithecia with a long neck. Growing in abundance.
Asci 8-spored.
Ascospores fusiform, with 1-septum, with appendages at both ends, measured
*(11.2) 12.1 - 14.1 (15.7) × (1.6) 1.8 - 2.4 (2.6) µm
Q = (4.3) 5.5 - 7.6 (9.6) ; N = 18
Me = 13.2 × 2.1 µm ; Qe = 6.5

Tiny brown ascoma on Ostrya virginiana overwintered leaves. On many leaves in the area. Apothecia develop superficially, hymenium hyaline with brown ectal excipulum.
Asci 8-spored, IKI+b, croziers(+).
Ascospores filiform, observed only inside asci.
Paraphyses filiform, without VBs, septate close to the base.

Tiny black ascoma on Ostrya virginiana overwintered leaf. Perithecia black with a long neck, immersed in leaf veins. About a dozen.
Asci 8-spored, unitucate.
Ascospores hyaline, with 1-septum, narrow-fusiform with long appendages at both ends, measured
*(12.3) 12.5 - 15.9 (16.1) × (1.3) 1.5 - 1.7 (1.8) µm
Q = (7) 7.8 - 9.9 (10.1) ; N = 11
Me = 13.7 × 1.6 µm ; Qe = 8.6