2293

Yale University Herbarium

YU.095576

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

2293, Microsyphar Porphyrae Kuckuck

Kuckuck, Bemerkungen zur mar. veg. von Helgoland, II, p. 381, 1897.

Collins, Rhodora, Vol. XX, p. 143, 1918.

On Porphyra umbilicalis, Woods Hole, Massachusetts.
Aug. 1917.
I. F. LEWIS.