
Lobster mushrooms are a parasitic ascomycete fungus that infects and drastically changes the appearance, texture, and flavour of other mushroom species. They are mainly sourced in the wild, in wooded areas, and are in season from mid-July to the end of October. Lobster mushrooms are bright orange-red in colour, with a firm, dense texture, and a subtle taste of the sea. They are widely consumed and commercially marketed, and can be used in a variety of dishes, including soups, sautés, and pasta.
| Characteristics | Values |
|---|---|
| Scientific Name | Hypomyces lactifluorum |
| Type | Parasitic Ascomycete Fungus |
| Habitat | Temperate forests, wooded areas, conifer forests, ponderosa pine forests, mixed woods |
| Location | New England, American Southwest, Pacific Northwest, Midwest, Southern Minnesota, Northern Minnesota, Colorado, Maine |
| Host Species | Russula brevipes, Lactarius piperatus, Russula, Lactarius, Lactifluus |
| Season | Mid-July to end of October, Summer to Fall |
| Appearance | Reddish-orange, white, bright orange, red, orange |
| Texture | Firm, dense, thick, hearty, meaty |
| Flavor | Seafood-like, faint taste of lobster, crustacean-like, mild, earthy |
| Uses | Sautéed, grilled, powdered, dried, cooked in butter, frozen |
| Storage | Paper bag, breathable mesh bag, refrigerator, freezer, pantry |
| Price | $10-25/lb for fresh, $50/lb for dried |
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What You'll Learn
- Lobster mushrooms are a parasitic fungus that infects other fungi, altering their appearance, texture, and flavour
- They are mainly sourced in the wild, in wooded areas, and are in season from mid-July to October
- Lobster mushrooms are edible and have a subtle taste of the sea. They are widely enjoyed freshly foraged, cooked or dried
- They can be tricky to locate and are usually found in conifer forests, under ponderosa pine trees
- Lobster mushrooms have a firm, dense texture and can be grated and used in vegan and vegetarian recipes

Lobster mushrooms are a parasitic fungus that infects other fungi, altering their appearance, texture, and flavour
Lobster mushrooms, scientifically known as Hypomyces lactifluorum, are a parasitic ascomycete fungus. They infect and grow on specific mushroom species, including Lactarius and Lactifluus (milk-caps) and Russula (brittlegills), rendering them unrecognisable. During the infection process, lobster mushrooms alter the appearance, texture, and flavour of their host fungi.
Lobster mushrooms are parasitic fungi that infect other fungi, causing significant changes in their appearance, texture, and flavour. They specifically target certain mushroom species, including Lactarius piperatus and Russula brevipes, which have a spicy, hot flavour. The parasite counteracts the spicy flavour of Lactarius piperatus, making it more palatable and enjoyable. This transformation is due to the alteration of metabolites, the chemicals that influence the taste and appearance of fungi.
The infection process results in a reddish-orange colouration on the host fungi, resembling the shell of a cooked lobster. This colour change is caused by the growth of Hypomyces lactifluorum, which completely covers its host. The reddish-orange hue can vary in intensity, ranging from a bright orange coating to a lighter shade. While most lobster mushrooms exhibit this distinctive colour, there are also white lobster mushrooms, which occur when the parasite has not fully inoculated the host.
In addition to altering the appearance, the parasite also affects the texture of the host fungi. Lobster mushrooms are known for their firm, dense, and meaty texture, which makes them versatile in various dishes. They can be grated like potatoes and used in recipes such as mushroom cakes or terrines. The texture of the mushroom can vary depending on its maturity, with older mushrooms becoming softer and darker.
Lobster mushrooms are widely consumed and commercially marketed, especially in Oregon and other parts of the Pacific Northwest. They are prized for their subtle seafood-like flavour, reminiscent of lobster or other crustaceans. This unique flavour profile makes them ideal for adding a hint of the sea to dishes without using shellfish. Lobster mushrooms are also known for their earthy, umami notes, making them a delicious addition to cream sauces, pasta, and whole grains.
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They are mainly sourced in the wild, in wooded areas, and are in season from mid-July to October
Lobster mushrooms are typically sourced in the wild, in wooded areas, and are in season from mid-July to October. They are elusive fungi, often concealed beneath moss, leaves, and plant litter, making them challenging to find. Their seasonality is unpredictable, and they thrive after heavy rainfall.
Lobster mushrooms are predominantly found in the Pacific Northwest, the northern US states, and Canada. They also grow in northern Europe and Russia, although it is unclear if the European species differs from the North American variety. Lobster mushrooms favour northern climates and are often discovered in conifer forests, particularly under ponderosa pines.
In the Midwest, lobster mushrooms grow in mixed woods, including birch, aspen, and red pine in Northern Minnesota. In Southern Minnesota, they favour mixed hardwood and oak forests. They are also found in New England and along the northern part of the West Coast, often on hemlock trees in temperate forests.
The distinctive bright orange-red caps of lobster mushrooms make them stand out in the woods. They are edible wild mushrooms with a subtle shellfish flavour and are considered a good choice for beginner foragers due to their unique appearance. Lobster mushrooms are the result of a host-parasite relationship between the fungus Hypomyces lactifluorum and specific host mushrooms.
Lobster mushrooms are commercially available in the fall, but their unpredictable seasonality and limited shelf life make them challenging to buy fresh outside of their growing regions. They are prized by chefs and mycologists for their firm texture and subtle flavour, which can enhance various dishes.
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Lobster mushrooms are edible and have a subtle taste of the sea. They are widely enjoyed freshly foraged, cooked or dried
Lobster mushrooms are edible and have a subtle taste of the sea. They are widely enjoyed freshly foraged, cooked, or dried. Lobster mushrooms are mainly sourced from the wild and are in season from mid-July to the end of October. They grow on hemlock trees in temperate forests in New England and along the northern part of the West Coast. They can also be found in Minnesota, Colorado, Oregon, and the American Southwest and Pacific Northwest, where they grow in conifer forests, often under ponderosa pine.
Lobster mushrooms are actually two different fungi, one parasitizing the other. Hypomyces lactifluorum is a parasitic ascomycete fungus that infects certain species of mushrooms, turning them a reddish-orange colour that resembles the outer shell of a cooked lobster. The parasite alters the appearance, texture, and flavour of its host, making it more edible and delicious. The inner flesh of a fresh lobster mushroom is white, while the outside has a bright orange-red coating.
Lobster mushrooms have a firm, dense, and meaty texture, and a mild, earthy flavour with a subtle seafood or crustacean-like taste. They can be used in a variety of dishes, such as risotto, sautés, soups, fillings, pasta, and mushroom cakes. When using dried lobster mushrooms, it is best to soak them in water before cooking. Dried lobster mushrooms can become bitter if used in excess, so they are best used in smaller quantities or as a powder to add a subtle seafood flavour to dishes.
When foraging for lobster mushrooms, it is important to be cautious as they can be easily confused with poisonous mushrooms or partially parasitized "false lobster mushrooms," which are not edible. It is recommended to leave the foraging to professionals or experienced foragers. When storing lobster mushrooms, they should be kept in a paper bag or breathable mesh bag in the refrigerator and eaten within a few days of harvesting. Dried lobster mushrooms should be stored in a cool, dark, and dry place.
Overall, lobster mushrooms are a unique and tasty ingredient that can be enjoyed in a variety of dishes, either freshly foraged or dried and reconstituted. With their subtle taste of the sea, they are a great way to add a seafood flavour to vegetarian and vegan dishes.
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They can be tricky to locate and are usually found in conifer forests, under ponderosa pine trees
Lobster mushrooms are tricky to locate due to their preference for conifer forests, particularly those with ponderosa pine trees. They are often found in the American Southwest, the Pacific Northwest, and Colorado. In Colorado, they are typically found in pure or mostly ponderosa pine forests at elevations of about 6,000 to 9,000 feet. These forests can be located in the Foothills of the Front Range, southwestern Colorado, and parts of the western slope.
To increase your chances of finding lobster mushrooms, it is recommended to search for them soon after rainfall as their preferred habitat tends to be warm and dry. Lobster mushrooms are parasitic fungi that grow on certain species of mushrooms, specifically members of the genera Lactarius and Russulaceae. Therefore, to locate lobster mushrooms, it is advisable to look for places where these host mushrooms grow. In the Midwest, for example, lobster mushrooms can be found in mixed woods with birch, aspen, and red pine, while in Southern Minnesota, they favour mixed hardwood and oak forests.
The appearance of lobster mushrooms is distinct, making them relatively easy to identify once located. They are named for their reddish-orange colour, resembling the outer shell of a cooked lobster. However, there are also white lobster mushrooms, which are less common and lack the bright hue of their red counterparts. The white variety occurs when the Hypomyces parasite has not fully infected the host mushroom.
Lobster mushrooms have a firm, dense texture and a subtle seafood-like flavour. They are widely consumed and can be foraged freshly or purchased commercially in certain regions. However, it is important to exercise caution during foraging as they can be mistaken for poisonous mushrooms. It is recommended to leave the foraging to experienced individuals or follow proper identification guides to ensure the safety of consumption.
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Lobster mushrooms have a firm, dense texture and can be grated and used in vegan and vegetarian recipes
Lobster mushrooms are not mushrooms at all but a parasitic ascomycete fungus called Hypomyces lactifluorum. This parasite attacks certain species of mushrooms, enveloping them completely and altering their appearance, taste, and texture. The infected mushrooms turn a reddish-orange colour, resembling the outer shell of a cooked lobster, and develop a firm, dense texture. Lobster mushrooms have a faint taste of their namesake, with an overall crustacean-like flavour and aroma. They are mainly sourced in the wild, in wooded areas, and are in season from mid-July to the end of October.
Due to their firm, dense texture, lobster mushrooms can be grated and used in vegan and vegetarian recipes. Grated lobster mushrooms can be used as a meat substitute in vegan recipes, such as vegan lobster rolls or seafood lasagna. When preparing lobster mushrooms, it is important to clean them thoroughly as they tend to catch a lot of dirt in their intricate folds and concave caps. A dry brush or vegetable brush can be used to knock off any dirt, and they can be gently cleaned with a damp paper towel. It may be necessary to break apart the mushrooms to remove debris from the crevices.
When using lobster mushrooms in recipes, they can be chopped and tempura-fried, or pan-fried or sautéed, as their dense texture can withstand moist cooking methods. Lobster mushrooms can be substituted for any other mushroom in recipes, adding a subtle taste of the sea without actually using shellfish. They pair well with cream sauces, pasta, buttery bread, and whole grains. However, it is important not to overcook lobster mushrooms, as their delicate flavour and aroma can be lost.
In terms of nutrition, lobster mushrooms are said to contain some iodine, which may contribute to their fishy aroma. While lobster mushrooms are widely consumed and enjoyed, some people may have allergies or reactions to them, similar to other mushrooms. It is important to store and consume lobster mushrooms properly, as they can go bad if not handled correctly.
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Frequently asked questions
Lobster mushrooms are a parasitic ascomycete fungus that infects other species of fungi, drastically changing their appearance, texture, and flavour. They are not a fruiting body of a fungus.
Lobster mushrooms are typically reddish-orange, resembling the shell of a cooked lobster. There are also white lobster mushrooms, though these are less common.
Lobster mushrooms are found in wooded areas, often near Russula brevipes or Lactarius growing in conifer forests, particularly under ponderosa pine in the American Southwest and the Pacific Northwest.
Lobster mushrooms are typically in season from mid-July to the end of October, though this can vary depending on the region.
Yes, lobster mushrooms are edible and have been consumed for hundreds of years. They have a subtle taste of the sea and a firm, dense texture. However, it is important to properly identify them as they can be confused with poisonous mushrooms.

























