Photo 7890207, (c) aedrahos, some rights reserved (CC BY-NC)

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Attribution © aedrahos
Cc by nc small some rights reserved
Uploaded by aedrahos aedrahos
Source iNaturalist
Original https://www.inaturalist.org/photos/7890207
Associated observations

Photos / Sounds

Square

Observer

aedrahos

Date

May 15, 2017

Description

scale bar in image = 10 μm

macroscopic: brown slime on rocks

microscopic: symmetric pennate diatom with obvious transapical costae. There is a raised sternum going through the center of the cell. There is also a rimoportula present on each cell near one apex.

for samples observed by me:
range of lengths: 36-46 μm
range of widths: 12-13 μm
range of costae density: 6-7/10 µm

Associated taxa
Sizes