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David Fischer's
North American Mushroom Basics:
Real Answers About Mushrooms (F.A.Q.)

INDEX for this page
Ecology -- Reproduction -- Edibility -- Identification -- Making a Spore Print
Danger -- Mushroom Names -- Hallucinogens -- Kombucha -- Cultivation
Further Resources -- Books -- Mycological Societies (Mushroom Clubs)

What is a mushroom?

Illustration: photo of Gymnopus dryophilus

Mushrooms are the fruiting bodies of certain fungi—the equivalent of the apple, not of the tree. Fungi, including those which produce mushrooms, are not plants; they are related to molds, mildews, rusts, smuts, and yeasts, and are classified in the Fungi Kingdom.
The definition of the word mushroom varies, depending on the source. A minority of mycologists restrict it to basidiomycetes, but that restriction contradicts the notion that morels and truffles are mushrooms—and since literally millions of people aroumd the world consider those ascomycetes to be mushrooms, that restriction is rejected by most mycologists.
 
See the last few paragraphs in the next section for a little more information on this.

The Mycelium

The fungal organism which produces the mushrooms you encounter on your lawn or in the forest is called a mycelium. It is composed of hyphae, which are "chains" of fungal cells (singular: hypha).

The mycelium itself is typically hidden in a substrate—within dead wood, for example, or in the soil. There, hidden, it secretes enzymes to digest organic matter, and the hyphal cells absorb nutrients through their cell walls. Depending on the species and the circumstances, the mycelium may be quite small, contained for example within the hull of a single black walnut; or it may be remarkably huge—some cover many acres of forest floor.

If a mycelium thrives, eventually it will have enough energy to reproduce. When conditions are "just so"—a combination of day length, heat, humidity, and other factors—the mycelium will generate new hyphae which, within several weeks, will develop into the highly organized structure we call a mushroom. (Note that not all fungi produce mushrooms; some reproduce at a microscopic level, usually asexually.) Mushrooms are specifically designed to support the production and dissemination of spores, which are the fungal equivalent of seeds.*
     * –
(Actually, because of the unique sexual reproductive process involved in mushrooms, it is arguably more appropriate to think of spores as pollen, as the spores still need to mate before they can reproduce… it's all a bit too complex to go into it here, but for more information on this, see here.)

Spores are microscopically tiny—2,500 typical mushroom spores lined up end-to-end would only form a line one inch long.

Most mushrooms grow and decay rather quickly, but the organism remains and often will continue to produce more mushrooms for years, decades, or even centuries! Picking a mushroom is not the equivalent of uprooting an apple tree, but rather the equivalent of picking an apple, for the mushroom is not the organism—the hidden mycelium is!

Illustration: photo of a mushroom's gills

Mushrooms evolved to enable fungi to produce spores in incredible quantities, typically by increasing the surface area of the spore-producing surface. The result is an exponential increase in the number of spores a given fungus can produce. It is easy to see how the formation of gills, for example, increases the mushroom's total surface area (see photo, right). The stalk helps raise the spore factory high, so a minute spore can hop a ride aboard the slightest breeze. The spores' high density and static electricity generally don't allow them to get very far, but every inch counts.

The slang term "toadstool" is best avoided, as it is ambiguous: to some people, "toadstool" implies a poisonous mushroom; to others, it means a mushroom with an umbrella-like shape.

An umbrella-shaped gilled mushroom is what most people think of as a "mushroom"—but many different forms have evolved that look quite different! Some mushrooms look like balls; marine coral; cups or saucers; shelflike growths on trees, logs or stumps; sponges; phalluses; clusters of icicles; tiny bird's nests (complete with eggs!); even cauliflower. Invariably, their designs help ensure successful reproduction.

Illustration: photo of Amanita fulva emerging from the universal veil or volva

Many mushrooms have also evolved various structural accessories. In some species, a universal veil encloses the entire mushroom at first (see photo, right); it helps by absorbing and trapping moisture, as does a partial veil—a separate tissue that extends from the upper stalk to the edge of the cap, covering the gills of some mushrooms until they're ready to produce spores.

Here is the best definition of the term "mushroom" as applied by mycologists (those who study fungi), mycophiles (those who love fungi), mycophagists (those who eat fungi), and consumer books on mushrooms and other fungi:

MUSHROOM: a structure, produced by a fungus, that is large enough to be visible to the naked eye and has as its primary function the production of sexual reproductive spores.

Note that some define the word "mushroom" differently, for example excluding morels and other ascomycetes. Furthermore, the term 'mushroom' is also often used to name the organism itself (the mycelium).

Fungi rot dead things, right?

Yes, but that's just the tip of the fungal ecology iceberg!

Many fungi decompose dead organic matter such as leaves, wood, feces, etc. Many fungi are uniquely adapted to decomposing lignin—the hard "skeletal" tissue of wood. No other organisms can do this with any efficiency whatsoever, so forests as we know them simply could not exist without mushrooms and other fungi to break down the dead wood and return the nutrients to the soil. But other fungi play other vital ecological roles, and few people even realize it!

For example, many species of fungi are mycorrhizal (the term translates to "fungus-root"); rather than merely decomposing organic matter for a living, they have a vital symbiotic relationship with trees and other green plants. At least 90% of all land plants, including all trees, have mycorrhizal fungi! The plant "feeds" the fungus some of the carbohydrates it makes through photosynthesis; the fungus dramatically increases the tree's roots' absorption of water and certain essential minerals, such as phosphorus and magnesium, which the plants have poor access to without their fungal partner's help.

Without mycorrhizal fungi, most plants—including the grass on your lawn—would not survive and thrive! (That's why "chemical lawn services" will not apply fungicides to eliminate mushrooms for homeowners who don't like "toadstools" on their lawns—the chemicals would also kill the essential beneficial fungi.)

Not all mycorrhizal fungi produce mushrooms as part of their reproductive strategies, but many basidiomycete fungi do. Because of the way the fungal cells are physically arranged in relation to the root cells of the host tree or plant, mycorrhizal basidiomycete fungi are more specifically referred to as ectomycorrhizal, meaning that the cells of these mushroom-producing fungi do not penetrate the cells of the plants' roots. Ectomycorrhizal fungi are primarily found living in this vital symbiosis with certain kinds of trees. In North America, these include especially certain trees in four major tree families: Pine (including pine, hemlock, fir, spruce and larch [tamarack]); Beech (including beech, oak and chestnut); Birch; and Willow (including willow, aspen, poplar and cottonwood). Other kinds of mycorrhizal fungi that don't produce mushrooms (most notably the endomycorrhizae) are more typically associated with other kinds of trees and plants.

Therefore, certain forest types are especially interesting places for studying mushrooms. My favorite "mushroom woods" in upstate New York are mostly places where there is a mix of oak, beech, Eastern hemlock and birch trees. Other interesting forest types in the northeastern states include pine barrens (which feature a mix of oaks and pines), pine and spruce forests (including reforested areas), and tamarack (larch) bogs. In contrast, maple, black cherry and hickory trees' mycorrhizal fungi don't produce mushrooms, so forests populated mostly with those kinds of trees are generally a lot less interesting places for mushroom study.

Other fungi, including some mushrooms, have a different role: they infect and kill things—insects, trees, even people (particularly those with weakened immune systems)—for a living. Fungi cause most diseases of insects, as well as many diseases of trees and other plants… not to mention such common maladies as toenail fungus, yeast infections, and "ringworm."

As previously stated, fungi are principally responsible for breaking down dead wood (especially lignin), and the fungi that have evolved the advanced capabilities necessary for decaying dead wood are mostly species that produce mushrooms. Partly because of this evolutionary advancement, and partly because of their highly evolved sexual reproductive strategies, mushroom-producing fungi are often referred to as "the higher fungi."

Some fungi have evolved to take advantage of multiple food sources. For example, the Oyster Mushrooms you can buy fresh at many grocery stores break down and digest cellulose (that's the chief soft component of wood), but they have also developed mechanisms for literally trapping and then eating tiny little "worms" called nematodes; this gives them access to extra nitrogen.

Illustration: photo of the Hen of the Woods mushroom (Grifola frondosa)

Mushrooms generally have specific habitat needs. For example, the highly popular edible/medicinal mushroom known as Maitake, Hen of the Woods, or the Sheepshead mushroom (Grifola frondosa, see photo, right), is by far the commonest at the base of large oak trees. Other mushrooms are very specific, for example, several mushrooms are only found growing under Eastern white pine trees.

They seem to grow overnight!

Yes—they seem to. In truth, they don't grow as fast as they "seem" to.
 
When you find mushrooms that "weren't there the day before," they actually were there not only the day before, but many days before. A growth spurt, most often during or after a rain, allows them to grow sufficiently in such a short time that they "suddenly" become evident, and you see mushrooms on your lawn in the morning that you are sure were not there the previous afternoon. (When a "baby" mushroom is ready, its stalk can lengthen considerably over a period of hours, literally "overnight," and its cap can open up very quickly even as the stalk is lenghtening.)
 
But they were there—you just hadn't seen them yet. In fact, most mushrooms take several weeks to grow to even a very modest size before they finally go through their final growth stage and begin shedding spores. Growth patterns vary a great deal among the different kinds of mushrooms. Every individual mushroom specimen attains a certain maximum size at some point—a size determined both by genetics and by environmental conditions, especially the availability of moisture. At some point after it is finished increasing in size, it finishes dispersing its spores and then begins to deteriorate, either slowly or rapidly. (It is difficult in any given instance to estimate whether a given specimen or patch of specimens has finished growing or not, which can make it very difficult for someone who enjoys edible wild mushrooms to decide whether to pick them or wait another couple of days.)
 
Generally speaking, mushrooms' fruiting seasons are genetically programmed responses to substrate temperature, i.e. morels fruit in the springtime when the soil attains a certain temperature. The timing can vary between different individual mycelia because of genetics and factors such as sun exposure, even in the same small forest or on the same small lawn—and some species seem to be genetically programmed to begin individual mushrooms over a period of several weeks right in the same patch.

How do fungi reproduce?

The Easy Stuff

Instead of seeds, fungi produce spores. In the case of fungi which produce mushrooms, that's the sole purpose of the mushroom—it is a spore-producing structure. (Some fungi produce spores differently, without producing a visible structure that could be called a mushroom.)

The "body" of the fungus is called the mycelium. It is a tangled network of microscopically-thin filaments called hyphae, and it is typically hidden—in the humus on the forest floor, within decomposing wood, wrapped around the rootlets of a green plant, or wherever else serves as its dining room.

When conditions are right (humidity, day length, temperature, etc.) a fungus will produce new hyphae that are far more organized than those in the mycelium: a mushroom. This process takes longer than most people think—typically several weeks or more from the time the mushroom first starts forming until the time it is able to produce spores.

Illustration: basidium, sterigmata, spores, hyphae

The More Technical Stuff

Most mushrooms are Basidiomycetes, all of which reproduce sexually (though some have methods of asexual reproduction as well). Specialized cells called basidia (singular: basidium) produce the spores, which are more specifically called basidiospores, on tiny projections called sterigmata (singular: sterigma). (Some mushrooms—most notably the morels and related "cup mushrooms"—are Ascomycetes; they produce spores differently, within tube-like cells called asci [singular: ascus through a distinctly different sexual reproductive mechanism].)

If two basidiospores of the same species are lucky enough to germinate into primary or monokaryotic mycelia (each cell of which has one nucleus—see "A" and "B" in the illustration) in close proximity to each other, they can "mate" by forming a secondary mycelium with two nuclei per cell. This secondary or dikaryotic mycelium (see "C" in the illustration) is potentially capable of eventually producing more mushrooms.

It is in the basidium that meiosis and karyogamy occur… in short, two nuclei become four—one for each of the four spores each basidium produces. (There are some exceptions to this, e.g. mushrooms whose basidia typically produce only two spores each and basidiospores that contain two nuclei).

Do all mushrooms grow in the dark?

No. Many mushrooms require light for proper development. Little-known fact: several kinds of mushrooms GLOW in the dark!

How many kinds (species) of mushrooms are there?

It is estimated that there are at least 10,000 species in North America alone. NOTE: In mycology, we use the term "variety" to refer to a variant (often differentiated by different coloration) within a species; the term species implies a biological species, i.e. a group of organisms that can sexually reproduce with one another. Hence, statements such as "he has seen dozens of varieties of mushrooms in his woodlot" is troublesome… it should read "he has seen dozens of species of mushrooms in his woodlot."

How many species are edible?

About 250 North American species are known to be edible (though only about half of these are truly worthwhile), and a similar number are known to be poisonous; the rest we're not sure about. NOTE: Most of the common, conspicuous, attractive mushrooms are known to be either edible or toxic.

How do you identify mushrooms?

Illustration: photo of Amanita flavoconia.

Many species are very difficult to identify correctly, often requiring microscopic study and scientific books (and there are still plenty of species that haven't even been named yet!). Often, identifying a specimen to genus is as good as one can expect.
 
On the other hand, many—including some wonderful edibles such as morels and puffballs—are rather easy to learn. There are plenty of mushrooms we really do know a lot about, including most of the common, conspicuous ones. Still, one MUST be careful. Identifying mushrooms requires you to study the specimens very thoroughly—size, color, odor, form of growth (in clusters or singly), habitat (growing on a pine log vs. growing on a lawn), and time of year are all important clues to a mushroom's identity. Only by considering all of the details can accurate identification be assured.

None of the "rules of thumb" work—for example, contrary to various folk myths, all mushrooms that grow on wood are not safe edibles; a silver spoon or silver coin will not tarnish if cooked with any poisonous species; and some mushrooms whose caps can be peeled are not safe to eat.

There is only ONE way to know whether a mushroom you've found is edible: You must identify the mushroom; only then can you find out what human experience with it has been! The stalk must be examined very carefully—is there a ring of tissue (technically called an annulus) on the upper stalk (see photo, right)? Is there a cup-like sac (a volva) around the very base of the stalk? (The latter is a feature of the often-fatal Death Cap (Amanita phalloides) and Destroying Angel (A. virosa) mushrooms.)

Illustration: photo of the process of making a spore print to determine spore print color.

How to Make a Spore Print

With most mushrooms, a very important character to consider is the spore print color. Though spores are microscopic, mushrooms produce millions of them. If you cut the stalk off a mushroom and place the cap right-side-up on a sheet of clear plastic (white paper can be used, but clear plastic is better for viewing a pale spore print) and cover it with a bowl and leave it overnight, it will usually deposit millions of spores, and you can see their color en masse.
 
Never "identify" a mushroom to eat by simply matching it to a picture! The specimen must be carefully compared to the description, including spore print color, etc. It is especially important to understand that when one or two details from the description of an edible species "don't fit" a mushroom specimen you're trying to identify, you should conclude that you have a different species—and you oughtn't eat it!
 
That said, many mushrooms can be tentatively identified by picture-matching. Enthusiastic novice mushroomers have been known to spend many hours browsing mushroom field guides, studying the photos… after a while, the names of the more beautiful and unusual-looking mushrooms start to lodge themselves in one's memory. It's then very typical (and very exciting!) for such individuals to instantly recognize certain distinctive species when they finally come upon them.
 
Successfully identifying every mushroom specimen you find is impossible. Mushrooms number in the thousands of species in North America alone. In some cases, we really don't know where to draw the line between species—and new species are discovered year after year in North America.
 
Of course, there are plenty of very distinctive edible wild mushrooms that are pretty easy to learn, and these include many of the most common and conspicuous mushrooms… including some of the best Edible Wild Mushrooms of North America.

For a good look at some of the field characters we use to identify mushrooms, click here!

Is it dangerous to eat wild mushrooms?

How dangerous is it to drive a car? If you're drunk or careless, it is VERY dangerous; if you're sensible and pay attention, it is reasonably safe. Most mushroom hunters have never gotten sick from eating wild mushrooms. It is a good principle for the novice to stick to the most easily identified edibles, such as morels, puffballs, and half a dozen others.

Newspaper reports of serious mushroom poisonings often refer to the victims as "experienced mushroom hunters." But, as a rule, they don't even know what a spore print is; they just think they know what a certain edible mushroom looks like. Most victims of life-threatening mushroom poisoning in North America are people from Southeast Asia; they mistake the Death Cap mushroom (Amanita phalloides) for the edible "Paddy-Straw" (Volvariella volvacea) mushroom. The two are similar in several ways—cap color, size, and the white "cup" around the base of the stalk—but different in others (for example, the Paddy-Straw has a pink spore print, the Death Cap a white spore print; and the Death Cap has a partial veil while the Paddy-Straw mushroom lacks one). The Paddy Straw mushroom occurs in tropical and subtropical areas worldwide; the Death Cap, does not occur in Southeast Asia, so folks from that part of the world are unaware of the lethal "look-alike" that lingers in some American parks and forests.

Can a person become poisoned by touching or handling toxic species?

No. The only way for a poisonous mushroom to harm a human is for him to consume at least part of it.

An Important Note About Mushroom Names

Amateur mycologists soon learn that using "common" names for mushrooms is a tricky business, as each field guide seems to have its own set of "common" names. To minimize confusion, amateur mycologists rely on the scientific names of mushrooms. At first, this may seem intimidating, but in reality the scientific names are no more difficult than some we all know: Tyrannosaurus, Rhinoceros, Hippopotamus.

An Important Note About Wild Hallucinogenic Mushrooms

While many mycologists, mycophiles and others will confess that they have had positive—even life-changing—experiences with hallucinogenic mushrooms, many will also confess that they have had negative experiences with hallucinogenic mushrooms. Here is a word to the wise: Take it slow!

The illegality of Psilocybe and other genera with hallucinogenic properties is not the only issue here. Contrary to popular perception (at least in some circles), "bad trips" featuring paranoia and depression rather than enlightenment and euphoria are as much a danger with Psilocybe and other psychoactive mushrooms as they are with LSD. A good percentage of mushroom poisoning cases involve victims who thought they were going to have good "recreational" or "spiritual" experiences but ended up either having "bad trips" or eating something dangerously toxic.

If you are committed to finding and eating wild hallucinogenic mushrooms, prepare to learn a lot about field mycology first—or risk paying a terrible price for making a serious mistake!
 
For some remarkable new information about medical potentials for Psilocybin mushrooms, click here.
 
David Fischer will not assist individuals with growing, finding, identifying or ingesting psilocybin or other psychoactive mushrooms.

An Important Note About Amanita muscaria

Apparently, because this common mushroom contains neither psilocybin nor psilocin, its possession, sale and use is not illegal in most states. Because this species has a reputation for being psychoactive, there are numerous Websites on the Internet from which one can purchase dried A. muscaria. I urge the curious to resist the temptation, as you'll be paying an absurd fee for an experience you will not likely enjoy.

An Important Note About "Kombucha"

First, Kombucha is not a mushroom.
 
I was first exposed to it while serving on the faculty of the North American Mycological Association's 1994 foray in North Carolina; a quick look through a microscope showed me what appeared to be a mix of yeast and bacteria, and neither myself nor any of the other faculty members had any interest in trying the stuff.
 
Because of the odd biological realities of this strange brew and numerous reports of servious adverse effects in folks who have tried it, I strongly recommend it be avoided. For more information, see what Paul Stamets of Fungi Perfecti has to say about this dangerous blob.

Interested in Cultivating Mushrooms?

One area of mycology regarding which I have little knowledge or interest is mushroom cultivation. No one knows mushroom cultivation better than Paul Stamets of Fungi Perfecti.

Further Resources

The study of mushrooms and other fungi is a fascinating area for amateur naturalists. There are three ways to learn more, and combining the three is the best way to learn:

  1. Mushroom Books;
  2. Classes; and
  3. Mycological Societies (Mushroom Clubs)

Mushroom Books

There are many mushroom field guides available for North America; the following are some of the most popular ones along with a select listing of books about other aspects of mushrooms such as cultivation.
The best mushroom books are available in the AmericanMushrooms.com Bookstore!

    Book: Edible Wild Mushrooms of North America
  • Edible Wild Mushrooms of North America: A Field-to-Kitchen Guide by David W. Fischer and Alan E. Bessette (1992, Univ. of Texas Press).
    Now in its sixth printing, this is the long-proven, best-selling mushroom book specifically designed to answer the question, "Can I eat it?"—even for the novice! Seventeen years and hundreds of thousands of wild mushroom meals since its first printing, this remains the definitive work: sometimes imitated but never bettered, and selling more copies year after year. 7 x 10 inches, 254 pages, 183 color photos. Softcover. $32.95. ORDER NOW and David Fischer will sign and personally inscribe your copy of his classic mushroom book!
     
  • Mushrooms of Northeastern North America by Alan E. Bessette, Arleen R. Bessette and David W. Fischer (1997, Syracuse Univ. Press).
    This five-pound, 582-page book is encyclopedic in scope and in its organization. It includes 642 color photos and innovative keys to some 1,500 species. (For the purposes of this book, the "Northeast" is east of the Rockies and from Tennessee and North Carolina northward.) 7 x 10 inches, 582 pages, 642 color photos. Softcover. $49.95. ORDER NOW and David Fischer will sign and personally inscribe your copy!
     
  • The Audubon Society Field Guide to North American Mushrooms by Gary H. Lincoff (1981, Knopf).
    A handy, portable book (vinyl cover) with more than 700 full-color photographs. Unfortunately, according to Lincoff, a number of those are misidentified and others are not very color-accurate (none of the photo problems are such that they could cause confusion between an edible species and a poisonous one), and the color photos are all in one section without scientific names. Nonetheless, this book is a must-have for anyone who wants to identify as many muhrooms as possible. About 4 x 7-1/2 inches, 926 pages, over 700 color photos. Vinyl softcover. $20.95. Order now!
     
  • A Field Guide to Mushrooms of North America (Vol. 34 of the Peterson Field Guide Series), by Kent H. and Vera B. McKnight (1987, Houghton-Mifflin).
    Also portable, with more than 700 paintings and drawings of mushrooms (400+ in color). Big drawback is its use of "common" names that no one actually uses except for folks who have only this one book, so it isn't a great choice for a first field guide to mushrooms, but it is a very competent book. About 4-1/2 x 7 inches, 429 pages. Softcover. $20.95. Order now!
     
  • Mushrooms & Other Fungi of North America by Roger Phillips (1991, Firefly Books).
    A voluminous book with over 1,000 species illustrated with color photos and descriptions, but lacking thorough introductory info and keys. A good number of the mushrooms in the photos were misidentified, alas, but none of those errors pose any danger and this book covers a lot of ground. About 8-1/2 x 11-1/2 inches, 319 pages. Hardcover. $39.95. Order now!
     
  • Mushrooms of Northeast North America by George Barron (1999, Lone Pine Publishing).
    A very handy field guide I heartily recommend, with one major criticism: it almost totally disregards odors, which for many mushrooms is a very useful field character. About 5-1/2 x 8-1/2 inches, 875 color photos, 336 pages. Sturdy softcover. $24.95. Order now!
     
  • Mushrooms Demystified by David Arora (1986, Ten Speed Press).
    This is a thick and popular book, designed for the West Coast and with a limited number of color photos, but it has extensive keys that also cover a good number of eastern U.S. species. 6 x 9 inches, 1,020 pages, 750 b&w photos, 200 color photos. Softcover. $39.95 Order now!
     
  • All That the Rain Promises, and More…: A Hip Pocket Guide to Western Mushrooms by David Arora (1991, Ten Speed Press).
    Both 'hip' and pocketable, this is a companion guide to Mushrooms Demystified. About 6-3/4 x 4 inches, color photos throughout, 256 pages. Softcover. $17.95. Order now!
     
  • North American Mushrooms: A Field Guide to Edible and Inedible Fungi by Orson K. Miller Jr. & Hope H. Miller (2006, Globe Pequot Press).
    Experienced mushroom enthusiasts who already have a pile of mushroom field guides will certainly want to add this one to their libraries. Unfortunately, it has some disappointing errors and cannot be recommended as the primary source of information on North American mushroom identification. 6 x 9 inches, over 600 color photos, 584 pages, softcover but with an unusually durable cover and binding. $25.95. Order now!
     
  • Growing Gourmet and Medicinal Mushrooms by Paul Stamets (2000, Ten Speed Press).
    The book for anyone who wants to grow their own mushrooms. About 7-1/4 x 8-3/4 inches, 574 pages, over 500 photos and drawings. Softcover. $45.00. Order now!
     
  • 100 Edible Mushrooms by Michael Kuo (2007, Univ, of Michigan Press).
    Describes how to identify each species, where and when to find them, and how to cook them. Not recommended as a first or only book for those who want to harvest edible wild mushrooms: Kuo has commented "I'm scared of being poisoned—and my main goal… is to make you scared, too" and recommends studying mushrooms for one to three years before eating any. If you can set aside this oddly fearful approach, this is a cool book with lots of good photos. 7 x 10 inches, 269 color photos, 344 pages. Softcover. $24.95. Order now!
     
  • Start Mushrooming by Stan Tekiela and Karen Shanberg (1993, Adventure Publications).
    A beginner's guide to six edible mushrooms. Very limiting—strictly for novices who are willing to limit themselves to morels, giant puffballs, shaggy manes, sulphur shelf, oyster mushroom and hen of the woods. 6-3/4 x 8-3/4 inches, 126 pages, 12 color photos. Softcover. $9.95. Order now!
     
  • Morels by Michael Kuo (2005, Univ. of Michigan Press).
    A definitive book about most mushroom hunters' favorite edible wild mushroom: the delicious morel. About 7 x 9-3/4 inches, 216 pages, over 200 color photos. Softcover. $27.95. Order now!
     
  • Treasures from the Kingdom of Fungi by Taylor Lockwood (self-published, 2001).
    Hundreds of stunning color photos of mushrooms (no one is sure exactly how many because every time you try to count them, you get so distracted by their beauty that you lose count before you get halfway through!). 9-1/4 x 11 inches, 128 pages. Hardcover. Order now!
     
  • Chasing the Rain by Taylor Lockwood (self-published, 2007).
    Another great coffee table book, loaded with over 500 color photos by the man David Fischer dubbed "the world's greatest mushroom portraitist." 9-3/4 x 11 inches, 128 pages. Hardcover. $29.95. Order now!
     
  • Mycelium Running: How Mushrooms Can Help Save the World by Paul Stamets (2005, Ten Speed Press).
    A groundbreaking book highlighting some remarkable discoveries about the biology and ecology of mushrooms. About 7-1/4 x 9 inches, over 300 color photos, 356 pages. Softcover. $35.00. Order now!
     
  • The Field Guide to Mushrooms by William Thomas and Marie Heerkens (2005, Main Street).
    A revision of Thomas' 1928 classic Field Book of Common Mushrooms, this is a great little spiral-bound book! Out of print, but this book is well worth seeking used.
     
  • Field Guide to Wild Mushrooms of Pennsylvania and the Mid-Atlantic by Bill Russell (2006, Penn State Univ. Press).
    A very handy (4.5 x 9"), inexpensive and brief (100 species) field guide.
     
  • Simon & Schuster's Guide to Mushrooms (1981, Simon and Schuster).
    This is not a good choice for use as a field guide in North America (it is a translation of an Italian work); it is, however, a great general-interest mushroom book, with excellent introductory information.
     
  • Magical Mushrooms, Mischievous Molds by George W. Hudler (1998, Princeton University Press).
    "MMMM" is not a field guide, but it is a fascinating book I strongly recommend to anyone with sincere curiosity about mushrooms and other fungi.
     
  • NOT RECOMMENDED:
  • Edible and Medicinal Mushrooms of New England and Eastern Canada by David L. Spahr (2009, North Atlantic Books).
    This book is arguably the "best" evidence I have seen yet that there are too many self-proclaimed "mushroom experts" teaching innocent novices, identifying (and very often misidentifying) mushrooms via the Internet, and in a few cases, as here, writing books about a subject where there is an abundance of opportunity for dangerous error. Having heard a number of negative comments from other mycologists about this one, it was admittedly difficult to browse it without prejudice… but in all honesty, this book makes a load of incorrect statements and a pile of misleading ones. Within a dozen pages it becomes clear that the author's knowledge is largely limited to his own limited experience rather than more wisely accommodating the pool of available knowledge. There are a number of other problems with this book, but this is the most important one: The publisher, presumably aware that the author is not a mycologist, wisely insisted on multiple disclaimers (e.g. "Be sure to… refer to additional books"). For the reader wise enough not to miss that caveat, it would seem ample warning not to depend on the information on this book; regardless, though, I absolutely cannot recommend it.
     

Classes and Conferences

Classes in mushroom identification, taught by qualified experts, are a great way to learn more. Contact your local college's biology department to see what they have to offer. You might also try nature centers; botanical gardens; cooperative extension offices; museums; and other educational organizations.

David Fischer is available to teach mushroom identification courses, workshops, and seminars. He especially enjoys presentations to the general public, especially the remarkable slide-illustrated lecture Please Don't Call Them Toadstools. See his schedule of upcoming events or contact him at the e-mail address shown below.

Some mycological organizations sponsor annual conferences (called 'forays') complete with field trips, workshops and lectures. Two in particular are recommended:

Mycological Societies (Mushroom Clubs)

The North American Mycological Association (NAMA) has numerous membership benefits, including publications and multimedia programs.

Other North American mushroom clubs (aka mycological associations or societies) can be found at the NAMA Website and at Mike Woods' MykoWeb.com.
 


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