TY  - JOUR
TI  - On the place of Isoetes in the system
T2  - The Annals and magazine of natural history; zoology, botany, and geology
VL  - 14
UR  - https://www.biodiversitylibrary.org/part/38128
PB  - Taylor and Francis, Ltd
CY  - London
PY  - 1844
SP  - 150
EP  - 151
DO  - 10.1080/037454809495159
ER  -