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Report for the May 12, 2001 LAMS Morel Foray

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by Nathan Wilson 
 

The following is a list of species that were seen and identifed by the author at the foray.  In most cases, the identification was by visual recognition.  In some cases specimens were keyed out using macroscopic features in either Mushrooms Demystified, 2nd Edition by David Arora or the appropriate section of the Agaricales of California by Thiers et al.  Names with links were dried and are included in my personal herbarium.  The links lead to the herbarium notes included below and in most cases photographs.  Collections I consider to be particular interesting and especially worthy of further study are marked with an *.

Agaricus sp.*
Agaricus albolutescens
Agaricus hondensis
Amanita "calyptroderma" (spring form) *
Calbovista subsculpta
Caloscypha fulgens
Coprinus comatus
Cortinarius sp. (2)
Crucibulum sp. *
Gautieria monticola
Guepiniopsis alpina
Gyromitra gigas
Hygrophorus chrysodon *
Lyophyllum sp.
Morchella angusticeps *
Morchella elata *
Pleurotus ostreatus
Sarcosphaera coronaria
Tricholoma vernaticum
Verpa conica

Notes on Herbarium Collections for the LAMS Morel Foray


NJW 20010512-1

Collected in the San Bernardino Mountains near Barton Flats
Current ID: Morchella elata
ID references: Nathan Wilson visual recognition verified in Mushrooms Demystified, 2nd Ed.
Maximum size: 4.5in tall and 2in wide (not in collection)
Typical size: 2in tall and 1.75in wide
In general the width is slightly smaller than the height giving a general impression of stoutness, grooves are generally from top to bottom, but are still somewhat convoluted.  Color varies from a grayish brown to a reddish brown. Ridges often dark apparently due to drying. Flesh is typically dry.
Older specimens are very fragrant. Cooked flavor excellent. Nuttier than NJW 20010512-2.
Many specimens have yellow pollen grains.
Stipe is generally short except in the largest specimens in which it can become up to a third of the height. Typically convoluted and uneven.
Habitat: Damper areas in the forest which is a mix of Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens). Often near buildings or places people have disturbed in some way.
Collected between 6000 and 6500ft.



NJW 20010512-2

Collected in the San Bernardino Mountains near Barton Flats
Current ID: Morchella angusticeps as shown in the photo in Mushrooms Demystified, 2nd Ed. pg. 790.
ID references: Nathan Wilson visual recognition verified in Mushrooms Demystified, 2nd Ed.
Maximum size: 3.5in tall and 1.5in wide (not in collection)
Typical size: 2.5in tall and 0.75in wide
In general the width is less than half the height giving a general impression of a long skinny, 'phallic' morel. Grooves are strongly from top to bottom and only slightly convoluted.
Color varies from a grayish brown to a reddish brown. Ridges tpyically dark but not due to drying. Flesh is typically very moist and watery.
Older specimens are only slightly fragrant. In general these specimens have a 'mossier' smell than those in NJW 20010512-1. Cooked flavor is good but less complex.
Stipe is generally long. Typically at least a third of the height. It is typically smooth and round.
Habitat: Strictly found along the edges of streams and in swampy, grassy areas. Trees include long needle pines Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), incense cedar (Calocedrus decurrens), and willow (Salix sp.).
Collected around 5500ft.


NJW 20010512-3

Collected in the San Bernardino Mountains near Barton Flats
Current ID: Amanita calyptroderma Atkinson (spring-time Coccora)
ID references: Nathan Wilson visual recognition
Maximum size: 10in tall and 10in wide (not in collection)
Typical size: 4in tall and 4in wide (stipe at apex 1in)
Pileus: Striate margin, large white volval patch, lemon yellow at edge, slightly oranger or golden towards center. Color seems different than the pure lemon yellow I am familiar with seeing in the live oak associated collections I've seen from Santa Cruz.  Pileus of larger specimen is slightly wavy. Smaller specimen is younger with a broadly convex shape. Flesh has a distinct yellow tone.
Lamellae: Pure white near the edge, yellowish near pileus.  Free (but the top of the stipe is striate).
Partial veil: Remnant visible on larger specimen. Not present on younger specimen.
Universal veil: Forming sack-like volva and a large patch on the pileus.
Odor: Younger specimen, indistinct with a hint of chlorine. Older specimen with a fishy component.
Stipe: Surface pure white, flesh slightly yellowish, stuffed, enlarging slightly towards the base.
Habitat: Appears to be associated with Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), or incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-4

Collected in the San Bernardino Mountains near Barton Flats by Steven Pencall
Current ID: Gautieria monticola
ID references: Steven Pencall visual recognition verified by Nathan Wilson in Mushrooms Demystified, 2nd Ed.
Typical size: 2in x 1in
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-5
Collected in the San Bernardino Mountains near Barton Flats
Current ID: Caloscypha fulgens
ID references: Nathan Wilson visual recognition
Typical size: 0.5in x 0.5in
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-6
Collected in the San Bernardino Mountains near Barton Flats
Current ID: Gyromitra gigas
ID references: Nathan Wilson visual recognition verified in Mushrooms Demystified, 2nd Ed.
Typical size: 2.5-3in x 2.5-3in
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-7

Collected in the San Bernardino Mountains near Barton Flats
Current ID: Guepiniopsis alpina
ID references: Nathan Wilson visual recognition verified in Mushrooms Demystified, 2nd Ed.
Typical size: Very small
Habitat: Growing on cut wood (Jeffrey pine?) in mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-8

Collected in the San Bernardino Mountains near Barton Flats by Jeff Berg
Current ID: Agaricus sp. in group bitorques near A. bitorquis
ID references: Keyed out by Nathan Wilson in Agaricales of California Section Agaricus by Rick Kerrigan
All specimens are quite young. The partial veil was broken only on the largest specimen
Size: 3-5in across pileus 3.5-5in tall, stipe 1.25-2.25 at apex
Very robust, red-orange staining Agaricus with a peronate veil and a scurfy pileus.
Odor somewhat unpleasant, but not particularly phenolic or briny. Pileus unchanging with KOH.
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-9

Collected in the San Bernardino Mountains near Barton Flats
Current ID: Hygrophorus near chrysodon
ID references: Nathan Wilson visual recognition. In the past I have keyed out a similar collection using Agaricales of California Section Hygrophorus by David Largent.
This is a Hygrophorus species I have collected several times that appears to be very robust form of Hygrophorus chrysodon. In particular, it has the bright yellow areas.  This particular collection is relatively small.
Size: 1.5in across. Stipe broken.
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-10

Collected in the San Bernardino Mountains near Barton Flats
Current ID: Cortinarius sp.
ID references: Nathan Wilson visual recognition.
Size: 1.5-3in across, 3in tall
Pileus yellow brown, appears to have been viscid. Stipe white. Lamellae light pinkish brown when young.
Odor radish-like.  All specimens in this collection are young, but some spores are visible on the remnants of the cortina.
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-11

Collected in the San Bernardino Mountains near Barton Flats
Current ID: Crucibulum sp.
ID references: Keyed out by Nathan Wilson in Mushrooms Demystified, 2nd Ed. Also checked Fungi of Switzerland.
Size: Very small
Bird's nest fungi with white peridioles and a rust-brown cup. Areas within the cup are also rust brown.
Habitat: Growing on small dead, fall branch in mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-12
Collected in the San Bernardino Mountains near Barton Flats by Steve Pencall
Current ID: Verpa conica
ID references: Nathan Wilson visual recognition verified in Mushrooms Demystified, 2nd Ed.
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.


NJW 20010512-13
Collected in the San Bernardino Mountains near Barton Flats
Current ID: Calbovista subsculpta
ID references: Nathan Wilson visual recognition.
Habitat: Mixed forest including Jeffrey pine (Pinus jeffreyi), Ponderosa pine (Pinus ponderosa), California black oak (Quercus kelloggii), and incense cedar (Calocedrus decurrens).
Collected between 6000 and 6500ft.



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