Ophiocordyceps ravenelii (Berk. & M. A. Curtis) G. H. Sung, J. M. Sung, Hywel-Jones & Spatafora 2007

Cordyceps ravenelii Berk. & Curt.; Berk. Jour
Linn. Soc. 1: 159. 1857.
Stromata usually solitary, 3-8 cm. high, consisting of a sterile stem and fertile head; stem 2-5 cm. long, grooved or furrowed, brownish, becoming nearly black on drying, about 2-3 mm. in diameter ; fertile head terminal or more rarely with a sterile apex, or with the perithecia in patches, with bare, sterile spaces between ; perithecia partially immersed, becoming almost entirely superficial, giving the fertile portions a very rough appearance, similar in color to the stem ; asci very long, cylindric ; spores filiform, nearly as long as the ascus, breaking up into segments 4-5 // long.
Springing from the larvae of coleopterous insects.
Type locality : South Carolina.
Distribution : South Carolina to Pennsylvania (and Iowa ?) .