Marine Park - Jun 21, 2025

For our first ever walk in Marine Park, Brooklyn we joined with the Salt Marsh Alliance, an organization which plays a pivotal role in the smooth operation of the Marine Park's Salt Marsh Nature Center. The SMA supports programs at the Nature Center and is a not-for-profit organization dedicated to environmental education. Thanks to Andrew Cannon who led a great walk in a coastal habitat, an unusual location for the NYMS. On the walk we encountered rusts on native and introduced plants, including one on asparagus—found by SMA's own Debra Sturm. The most prolific mushroom of the day was Candolleomyces candolleana, which was underfoot everywhere. A red Russula found in the grass near the nature center seemed unremarkable at first, but by the end of the day it had begun blackening, suggesting that it might be the provisionally named Russula sp.IN53—which Sigrid Jakob and Matthew Rozanoff's indispensable NYC mushroom guides suggest *could* be Russula nigrescentipes. About 25 people on a ~3.5 hour walk.

*=new to park   **=new to city

 

Ascomycetes

*Apiosporina morbosa
*Biscogniauxia atropunctata
*Biscogniauxia marginata
**Cercospora moricola
on Mulberry
**Claviceps purpurea
*Cosmospora sp.
s.l. on an old pyrenomycete
*Daldinia childiae
**Erysiphe platani
on Platanus occidentalis
*Hypomyces microspermus
*Hypoxylon rubiginosum
*Lachnum sp.
*Macrodiplodiopsis desmazieri
*Nemania sp.
*Orbilia sp.
*Patellaria sp.
*Phyllachora graminis
on Elymus repens
*Rosellinia corticium
**Taphrina communis
on Prunus maritima (found this shortly after we looked Ethan, the plums had just shriveled up)
*Taphrina farlowii
on Prunus serotina
**Taphrina populina
on Populus deltoides
**Taphrina purpurascens
on Rhus copallinum
 

Boletes

**Hortiboletus flavorubellus
*Xerocomellus sp.
xerocomellys intermedius?
 

Crusts & Parchment

*Athelia sp.
*Hydnoporia olivacea
*Peniophora albobadia
*Peniophora incarnata
*Steccherinum ochraceum
*Stereum complicatum
 

Gilled Fungi

*Agaricus placomyces
*Amanita flavorubens
*Candolleomyces candolleanus
*Conocybe apala
*Coprinellus sect.-Micacei
*Hemimycena sp.
*Inocybaceae sp.
*Laccaria sp.
spores were circular with short spines
*Mycena leptocephala
Mycena sp.
**Mycena sect.-Sacchariferae
*Panaeolus foenisecii
*Panus lecomtei
*Psathyrellaceae sp.
*Resupinatus alboniger
**Russula modesta
?
*Russula sp-IN53
?
*Russula sp.
*Schizophyllum commune
 

Jelly Fungi

*Auricularia angiospermarum
*Auricularia sp.
 

Myxomycetes

*Didymium sp.
*Heterotrichia sp.
*Physaraceae sp.
*Physarum sp.
likely P. decipiens
**Physarum decipiens
 

Poroid Fungi

*Cerioporus leptocephalus
*Fulvifomes robiniae
*Gloeoporus dichrous
*Irpex lacteus
*Trametes sanguinea
*Trametes versicolor
 

Rusts

*Gymnosporangium sp.
on Pyrus communis
*Pileolaria brevipes
on Toxicodendron radicans
**Puccinia asparagi
on Asparagus officinalis
**Puccinia dioicae
on Euthamia graminifolia (aecial Solidago rust)
**Puccinia lagenophorae
on Senecio vulgaris
*Puccinia smilacis
on Apocynum cannabinum
*Puccinia sp.
on Solidago
*Uromyces silphii
on Juncus acuminatus
**Uromyces triquetrus
on Hypericum prolificum