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maaaybe some sort of leafminer? on peltigera elizabethae

On red maple

Maybe? On Hypogymnia physodes.

on the underside of Lobaria pulmonaria

on labrador tea - rhododendron groenlandicum

on paper birch

very narrow leaf mine in ambrosia artemisifolia / common ragweed

leaf mine on erigeron.
https://www.inaturalist.org/observations/177575997
observation of host linked

on a tree

on sorbus

can't tell if that's a gall or a leaf mine. on dryopteris intermedia I think
Was thinking gall in person but zooming in, it seems frassy

Black-gray toothed mushroom

attacking the moss. lots of brown spores released when touched

Unknown. Possibly a fungal pathogen that is causing these black growths on this unknown species of grass.

Growing on a pawpaw (Asimina sp) stem

Growing in Monotropa uniflora

leaf mine on oclemena acuminata

leaf mine on, i think, pin cherry

Wamsutta Trail, Mount Washington

Unknown and undescribed Erineum gall mite on the bottom of yellow birch leaves between the veins

on Senecio

I believe this was on a nearby but separate log from the Asian Beauty that I observed

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On Betula lenta.

On Betula nigra

So small!!!

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