Symplocastrum sp.

TAMUCC campus, shoreline of Oso bay, Cyanobacteria within Cladophora sp. bloom

Laguna madre, Kenedy Ranch, sands flats, dry conditions (14_3). Formaldehyde preserved mat.

Laguna madre, Kenedy Ranch, sands flats, moderately dry conditions (14_3). Formaldehyde preserved mat.

Laguna madre, Kenedy Ranch, sands flats, submerged conditions (14_2). Formaldehyde preserved mat.

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.