Fotos / Sonidos
Observ.
davidfbirdDescripción
This was a weird one. Substrate: a pair of ankle socks left in the mud in a flooded abandoned limestone quarry. Hard to tell where the black cespitose mat lichen stops and the squamulous lichen starts. For the moment I'm focusing on the squamules. They are red-brown with a dark border when dry, 1.5 to 3.5 mm wide. Brownish cortex on top and bottom surface, much darker on the bottom. According to the literature for Psorula, at least, there may be some small black apothecia lurking nearby, but I haven't pursued that yet. Some of the images are of the thalli in various stages of wetting.
Fotos / Sonidos
Observ.
davidfbirdDescripción
Ingoldian hyphomycete conidium, 200 x 5 µm, from foam on the stream. About 20 septa as far as I can tell.
Fotos / Sonidos
Qué
Cianobacteria Nostoc (Nostoc commune)Observ.
davidfbirdDescripción
Large patch on flooded floor of the abandoned limestone quarry. Lots of heterocytes.
Fotos / Sonidos
Observ.
davidfbirdDescripción
On slim evidence of habitat and growth form. I didn't look at the spores.
Fotos / Sonidos
Qué
Agachona Norteamericana (Gallinago delicata)Observ.
davidfbirdLugar
Long Point Birding Trail 8 (Big Creek NWA Marsh), Long Point Road, Port Rowan, ON, Canada (Google, OSM)
Fotos / Sonidos
Observ.
davidfbirdDescripción
On granite gravestone. I found the conformation unusual.
Fotos / Sonidos
Qué
Género GlaucomaObserv.
davidfbirdDescripción
About 62 µ long. G. scintillans maybe.
Fotos / Sonidos
Qué
Género ZygnemaObserv.
davidfbirdDescripción
There were several species of Zygnema, I think, in the puddle on the floor of the abandoned limestone quarry. This one was most common.
Qué
Cisne Trompetero (Cygnus buccinator)Observ.
davidfbirdDescripción
They were politely indicating to incoming Canada Geese that this particular pond was occupied if they hadn't noticed.
Fotos / Sonidos
Qué
Género CarteriaObserv.
davidfbirdDescripción
Apologies for the bad images. I tried to get an image of the four flagella (1st gif) and forgot to record the cell itself. You can kind of glimpse the stigma in the cell to the side, as my attention wanders to the other tiny biflagellate in the 2nd gif. From a pond rife with Zygnema on the floor of the abandoned limestone quarry. 7.7 µm diameter.
Fotos / Sonidos
Observ.
davidfbirdDescripción
From a meltwater puddle on the floor of an abandoned limestone quarry. Length 110 to 125 µm. Zoochlorellae. I put a longer video here: https://www.facebook.com/100070304167055/videos/267405716339712.
Fotos / Sonidos
Observ.
davidfbirdDescripción
From a shallow puddle, rich with desmids, on the floor of an abandoned limestone quarry. Cell length mostly 31 to 37 µm, width 27 to 30 µm, isthmus width 9 to 11 µm.
