mcgregorgb's Identifications
Photos / Sounds
What
Romeria elegansObserver
someplantDescription
Magnification of all photos: 1000× (oil immersion)
Habitat: planktonic algae from the water column of a small pond.
Using stage micrometer for calibration, filaments estimated to be about 1.2 to 1.4 µm wide.
Photos / Sounds
Observer
amayakanDescription
Cell size: 2 µm x 2 µm
Site of sample collection: Pavilion, North Pond, Katsurashima Ryokuchi (a freshwater habitat), Sendai, Japan
Date of sample collection: September 21st, 2024
Weather: Rainy
Water temp.: 22.3°C
pH 6.6
Date of observation: September 21st, 2024
Bright-field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.
Photos / Sounds
What
Genus AnatheceObserver
someplantDescription
Magnification of all photos: 1000× (oil immersion)
Habitat: planktonic algae from the water column of a small pond.
Using stage micrometer for calibration, individual cells estimated to be up to 1.7 µm long and 1.0 µm wide.
Photos / Sounds
Observer
someplantDescription
Magnification of first thirteen photos: 400×, 400×, 400×, 400×, 400×, 400×, 400×, 400×, 400×, 400×, 400×, 100×, 100×, 100×
Habitat: benthic, tangled mat, found in a drainage ditch.
Using stage micrometer for calibration, filaments estimated to range from 21 to 24 µm wide.
Photos / Sounds
Observer
someplantDescription
Magnification of photos: 1000×, 1000×, 1000×, 1000× (oil immersion), 400×
Habitat: planktonic algae from the water column of a small pond.
Using stage micrometer for calibration, filaments estimated to be up to about 1.8 µm wide.
Photos / Sounds
Observer
amayakanDescription
Video: https://youtu.be/7nlgIeZ-9TU
Photos are snapshots of the same trichome featured in the video
Cell size: 4-5 µm in length, 2.5 µm in width
Site of sample collection: Pavilion, Takamori Higashi Park (a freshwater habitat), Sendai, Japan
Date of sample collection: Aug. 8th, 2021
Weather: Rainy
Water temp.: 29.0°C
pH 6.6
Date of observation: September 12th, 2021 (the collected sample in a plastic container was left near a window out of direct sunlight at room temperature until observation)
Bright-field observation using a Wraymer microscope (model BX-3500TL, Osaka, Japan) equipped with a Floyd-2 HDMI ethernet digital camera (Wraymer, Osaka, Japan). The accuracy of the scale bar was confirmed by using a stage micrometer glass slide (1 div. = 10 µm; Wraymer, Osaka, Japan) at each magnification.
Photos / Sounds
Observer
smellyturkeyDescription
Sample taken September 9, 2024 from biofilm scraped off a submerged log in Battle Ground Lake.
Stats
- 101 IDs made for others
