| Ref No | DF/BOT/424/4/3/2206 |
| Alt Ref No | DF424/4/3/2206 |
| Title | Widén, Carl-Johan |
| Description | Further work on Chromatography of Dryopteris taking in D. azoricum |
| Date | 10 Apr 1970 |
| AccessStatus | Open |
| Held By | NHM Archives |
| Level | Item |
Show related Persons records.
Persons
| Code | PersonName | Dates | Source |
| PX10580 | Widen; Carl-Johan Victor (1935-present); Botanist | 1935-present | |