It looks like coal dust

[french47]

G'Day chaps,
Can you please name an Algae on one of my Microsorium pteropus ( Java Fern ) It's only on one plant and looks just like a sprinkling of Coal dust.
Cheers

 

[G H Nelson]

Hi
A photo would be helpful.
hoggie

 

[french47]

There you go, strange it's on one one plant
Cheers

 

[G H Nelson]

Hi
Ive saw that algae before....maybe due to low nitrates.
hoggie

 

[french47]

Thanks for the reply Hoggie,
I am using Standard Ei dosing, Macro and Micro solution as supplied by Aquariumplantfood.co.uk.
Strange or what, Just the one plant !!!
Cheers Mate

 

[G H Nelson]

Yea
Someone also had it on a Java Fern...a kinda globular algae....black little balls was the description.
Cant remember where i say the post though.
May have been on another site.
hoggie

 

[Nathaniel Whiteside]

Are you sure they are not new Java Fern Shoots?

this is how they propagate, by growing leaves on existing leaves, which then detach from the main leaf.

 

[G H Nelson]

Are you sure they are not new Java Fern Shoots?

this is how they propagate, by growing leaves on existing leaves, which then detach from the main leaf.

Naa mate
The black/brown growing shoot spots are spaced apart quite evenly on the leaf.
These will rub off....i bet.
hoggie