Prospect Park - Dec 13, 2025

A very mellow walk. We were joined by Mical Moser, former New Yorker visiting from Montreal, who led the walk. There was an exciting discovery by Andrew Cannon in the form of a hyperparasite—a hat on a hat as Rowan Nygard once described them. It was Ampelomyces quisqualis growing on a Golovinomyces growing on a Plangago sp. ~12 people on a ~2.5 hour walk.

*=new to park   **=new to city

 

Ascomycetes

*Ampelomyces quisqualis
on Golovinomyces sp. on Plantago sp. —-cool hyperparasite on powdery mildew
Biscogniauxia marginata
Calycina citrina
Calycina heterospora
Camillea punctulata
Camillea tinctor
Chlorociboria sp.
Chlorosplenium chlora
Cryptovalsa prominens
On London Plane
Daldinia childiae
Endothia gyrosa
*Erysiphe alliariicola
on Alliaria petiolata
*Erysiphe aquilegiae
var. aquilegiae. On Aquilegia sp.
Erysiphe liriodendri
*Erysiphe lonicerae
on Lonicera cf. japonica
*Erysiphe polygoni
on Polygonum aviculare
Eutypa spinosa
Eutypella leprosa
*Golovinomyces artemisiae
*Golovinomyces asterum
var. asterum. On Symphyotrichum sp.
*Golovinomyces sp.
on Plantago sp.
Hypoxylon perforatum
Hypoxylon rubiginosum
Hysteriaceae sp.
Immotthia atrograna
Kretzschmaria sp.
*Lachnaceae sp.
Mollisiaceae sp.
Nectriaceae sp.
Cosmospora s.l., on Eutypella leprosa
Nemania sp.
Nitschkia broomeana
Patellaria crassispora
Peroneutypa scoparia
*Phyllachora graminis
*Podosphaera pannosa
*Podosphaera septentrionalis
on Geum cf. canadense
Rosellinia corticium
Rosellinia subiculata
Sclerococcum stygium
Sphaerosporium lignatile
*Stilbocrea gracilipes
*Thaxteriella pezizula
Whalleya microplaca
Xylaria liquidambaris
 

Crusts & Parchment

Athelia sp.
Botryobasidium sp.
Corticium roseum
*Erythricium aurantiacum
Merulius tremellosus
Peniophora albobadia
Peniophora cinerea
Steccherinum ochraceum
Stereum complicatum
Stereum fasciatum
Xylobolus frustulatus
 

Cyphelloid Fungi

Merismodes fasciculata
 

Gasteromycetes

Calvatia gigantea
 

Gilled Fungi

Coprinellus sect.-Domestici
*Gymnopilus subdryophilus
Hypholoma fasciculare
Mycena galericulata
Panellus stipticus
Resupinatus trichotis-IN01
 

Jelly Fungi

Auricularia sp.
Calocera cornea
Exidia crenata
Naematelia aurantia
 

Lichens

Candelaria concolor
Candelariella efflorescens
Flavoparmelia caperata
*Hyperphyscia adglutinata
*Lecanora hybocarpa
*Lecanora strobilina
Lepraria sp.
cf. finkii
Parmotrema sp.
cf. hypotropum
*Phaeophyscia adiastola
*Phaeophyscia orbicularis
Phaeophyscia pusilloides
Phaeophyscia rubropulchra
Physcia millegrana
Physcia stellaris
*Physciella melanchra
*Punctelia sp.
 

Myxomycetes

Hemitrichia clavata
Hemitrichia sp.
Perichaena depressa
Stemonitis sp.
 

Poroid Fungi

Cerioporus squamosus
Dentocorticium portoricense
Ganoderma lobatum
Gloeoporus dichrous
Irpex lacteus
*Meripilus crocatus
Pseudoinonotus dryadeus
Trametes betulina
Trametes conchifer
Trametes gibbosa
Trametes lactinea
Trametes versicolor
Trichaptum biforme
 

Rusts

*Kuehneola uredinis
*Phragmidium mexicanum
*Tranzschelia sp.
on Prunus sp. (kind of exciting, this is a new sp. of Transchelia on Prunus. I couldnt find teliospores, but the urediniospores are distinct from T. discolor, which is common in the city)
*Uromyces polygoni-avicularis
on Polygonum aviculare
*Uromyces silphii
on Juncus tenuis