Schizothrix sp.

Laguna madre, Kenedy Ranch, sands flats (15_3). Preserved material with formaldehyde. Surface: Lyngbya sp. - 80%, Schizothrix sp. - 10%, rest - 10%. Slimy layer below the surface: Coleofasciculus chthonoplastes - 80%,, Schizothrix - 10%, rest - 10%. Empty sheaths from Lyngbya sp. observed. 2 mm deep: Coleofasciculus chthonoplastes - 90%, Schizothrix - 5%, rest - 5%. Note: both Lyngbya sp. and Coleofasciculus ssp. are motive, and probably light and salinity sensitive. Thickness of the mat is ~2 mm.

Laguna madre, Kenedy Ranch, sands flats (15_2). Mat material which have been stored in the fridge for 3 weeks. Lyngbya sp. were a dominant on the surface. Coleofasciculus ssp. were dominated inside the mat (1mm deep), with Lyngbya sp. in the rare occurance.

Laguna madre, Kenedy Ranch, sands flats (15_1). Mat material from the fridge. Lyngbya sp. were a dominant on the surface. On the 1 mm deep Coleofasciculus chthonoplastes were dominant. Note:representatives of Coleofasciculus ssp. were in the huge abundance in the 1mm deep layer.

Laguna madre, Kenedy Ranch, sands flats (16_1). Preserved material (Formaldehyde). Lyngbya sp. is dominant with 90% of occurrence in the sample, the rest of the species took ~10%.

Vicinity of Yarborough pass, Laguna Madre, subculture (YPE, 10/4/16)