The
North American species of Asterella
Evans, Alexander W. (Alexander William)
1868-1959
creator
text
dcu
Washington
Govt. print. off.
1920
monographic
eng
v, 247-312, vii-viii p. 25 cm.
by Alexander W. Evans.
Asterella
QK1 .U5 vol. 20, pt. 8
U. S. National museum. Contributions from the U.S. National herbarium, v. 20, pt. 8
agr20000971
U.S. Dept. of Agr. Libr. 450C76 vol. 20, pt. 8
790131
20260227110941.0
agr20000971