Aquatic plants & others from upper Batang Kayan basin

Next location is a clear water stream of upper Batang Kayan basin. The water ph is very low, PH is about 4.8, very acidic. A big population of natural cross hybrid of aquatic plant, Cryptocoryne X purpurea which looks a little bit like Cryptocoryne X purpurea nothovar borneoensis was found in the stream. It is most probably a new hybrid species (or new species???).
 

The stream & the Crypt. growing under the water:

A species of aquatic plant, Barclaya motleyi:

 

Cryptocoryne X purpurea (Cross hybrid between Crypt. griffithii and Crypt cordata var. zonata ???) :

Cryptocoryne X purpurea  in submerged condition. There is no fish in the stream. I think this shallow stream will be dried up during the dry season:
 

The leaf of Cryptocoryne X purpurea :

Cryptocoryne X purpurea  and an unidentified species of Crypt. According to a researcher, this small Crypt.(left) should be the same species to the Crypt. on the right.

 

Cryptocoryne X purpurea (submerged):
 

Cryptocoryne X purpurea

Flower of Dillenia suffruticosa :
 

Terrestrial orchid, Spathoglottis plicata :
 

Bamboo orchids, Arudina graminifolia var. graminifolia :
 

Stick insect, Phasmid :
 

Stick insect, Phasmid :
 

The hardwoods on the logging road. I really HATE to see this (logging activity):
 

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