General data principles
Southern Adder'S-Tongue
Ophioglossum vulgatum
Inclusion rationale
Why did we include this species on our website? Because it was mentioned in the following source(s):
Features data
The following sources have provided data on features for this species.
| Source document | Features |
|---|---|
| Ferns of the Witwatersrand
Dec. 17, 2025, 7:08 a.m. |
|
Photo credits
You can see the credits underneath each photo of the species pages as well. Credits, in order of appearance:
- (c) Roman, some rights reserved (CC BY), uploaded by Roman source
- (c) Aleksandr Popov / Александр Попов, some rights reserved (CC BY-NC), uploaded by Aleksandr Popov / Александр Попов source
- (c) Vanessa Voelker, some rights reserved (CC BY-NC), uploaded by Vanessa Voelker source
- (c) Юрій Бенгус, some rights reserved (CC BY-NC), uploaded by Юрій Бенгус source