Anastrophyllum cavifolium (H. Buch & S.W. Arnell) Lammes
Annotated by H. Inoue.

Alaska: North Slope: NE side of Old John Lake & vicinity, Philip Smith Mountains, Brooks Range.
68.083°, -145.0°
E side of lake.

W. C. Steere s.n., 12 Jul 1961
NY, Barcode: 00081239