Apiosporina morbosa (Black knot fungus)

Apiosporina morbosa (Schwein. : Fr.) Arx 1954

Black knot fungus

Parents	Unknown	Genus is not in the current taxonomy
Genus	Apiosporina
Species	morbosa

[An article has not been written yet.]

Looks like the infected tree is wild cherry. · 8/15/2015 · Grafton Notch State Park, Newry, Maine
≈ 5 × 8" (13 × 20 cm)

10/25/2009 · Nashua River Rail Trail, Nashua, New Hampshire
≈ 7 × 4½" (17 × 11 cm)

11/3/2011 · Pearl Hill State Park, Townsend, Massachusetts
≈ 13 × 20" (33 × 50 cm)

Dibotryon morbosum (Schwein. : Fr.) Theiss. & Syd. 1915

Sphaeria morbosa Schwein. : Fr. 1822

Botryosphaeria morbosa (Schwein. : Fr.) Sorauer 1921

Cucurbitaria morbosa (Schwein. : Fr.) Ellis 1881

Otthia morbosa (Schwein. : Fr.) Ellis & Everh. 1892

Plowrightia morbosa (Schwein. : Fr.) Sacc. 1883

Apiosporina morbosa description by Thomas H. Kent, last updated 5 Oct 2021.

Looks like the infected tree is wild cherry. · 8/15/2015 · Grafton Notch State Park, Newry, Maine
≈ 8 × 5" (19 × 13 cm)

Looks like the infected tree is wild cherry. · 8/15/2015 · Grafton Notch State Park, Newry, Maine
≈ 6 × 4" (16 × 10 cm)

10/25/2009 · Nashua River Rail Trail, Nashua, New Hampshire
≈ 11 × 7" (27 × 18 cm)

10/25/2009 · Nashua River Rail Trail, Nashua, New Hampshire
≈ 4 × 4½" (10 × 11 cm)