TY  - JOUR
TI  - Germination of the spores of Ophioglossum
T2  - Annals of botany
VL  - 20
UR  - https://www.biodiversitylibrary.org/part/318845
PB  - Academic Press [etc.]
CY  - London
PY  - 1906-07
SP  - 321
EP  - 321
DO  - 10.1093/oxfordjournals.aob.a089105
AU  - Campbell, Douglas Houghton,
ER  -