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Mold can be found wherever there is moisture, oxygen, and something to feed on. In the fall season, they grow on rotting logs and fallen leaves, especially in moist, shady areas. In gardens, they can be found in compost piles and on certain grasses and weeds. Molds grow in our homes in moist warm areas like damp basements, closets, and bathrooms, even after the moisture has dried up. Also, molds can grow in places where fresh food is stored, refrigerator drip trays, house plants, humidifiers, garbage pails, mattresses, upholstered furniture, or foam rubber pillows.

Hidden places that molds can grow, however, is inside wall cavities and flooring of our homes, wherever there may be cellulose materials they can feed on, such as wood, ceiling tiles, or plasterboard, even if they are not visible, and they have sustained water damage at one time or another. This is very common if there has been a plumbing leak or an inadequate roof.

Molds can be found where there is moisture, oxygen, and something to feed on. In the fall, they grow on rotting logs and fallen leaves, especially in moist, shady areas. In gardens, they can be found in compost piles and on certain grasses and weeds.

About Mold & Types Of Mold...

Types Of Of Mold:

Absidia sp. - A zygomycete fungus which is considered common to the indoor environment. Reported to be allergenic. May cause mucorosis in immune compromised individuals. The sites of infection are the lung, nasal sinus, brain, eye, and skin. Infection may have multiple sites. Absidia cormbifera has been an invasive infection agent in AIDS and neutropenic patients, as well as, agents of bovine mycotic abortions, and feline subcutaneous abscesses. Acremonium species may be confused with Fusarium species that primarily produce microconidia in culture. Fusarium genera are generally much more rapid growers and produce more aerial mycelium.

Acremonium sp. (Cephalosporium sp.) - Reported to be allergenic. Can produce a trichothecene toxin which is toxic if ingested. It was the primary fungus identified in at least two houses where the occupant complaints were nausea, vomiting, and diarrhea. Asexual state of Emericellopsis sp., Chaetomium sp., and Nectripsis sp. It can produce mycetomas, infections of the nails, onychomycosis, corneal ulcers, eumycotic mycetoma, endophthalmitis, meningitis, and endocarditis.

Acrodontium salmoneum - Reported to be a fairly common airborne fungus and is considered to be allergenic. Can produce a trichothecene toxin which is toxic if ingested. It was the primary fungus identified in at least two houses where the occupant complaints were nausea, vomiting, and diarrhea. It can produce mycetomas, infections of the nails, onychomycosis, corneal ulcers, eumycotic mycetoma, endophthalmitis, meningitis, and endocarditis. It is the asexual state of Emericellopsis sp., Chaetomium sp., and Nectripsis sp.

Alternaria sp. - Extremely widespread and ubiquitous. Outdoors it may be isolated from samples of soil, seeds, and plants. It is commonly found in outdoor samples. It is often found in carpets, textiles, and on horizontal surfaces in building interiors. Often found on window frames. The species Alternaria alternata is capable of producing tenuazonic acid and other toxic metabolites which may be associated with disease in humans or animals. Alternaria produces large spores having sizes between 20 - 200 microns in length and 7 - 18 microns in width, suggesing that the spores from this fungi are deposited in the nose, mouth, and upper respiratory tract. It may be related to bakers asthma. It has been associated with hypersensitivity pneumoniti, sinusitis, deratomycosis, onychomycosis, subcutaneous phaeohyphomycosis, and invasive infection. Common cause of extrinsic asthma (immediate-type hypersensitivity: type I). Acute symptoms include edema and bronchiospasms, chronic cases may develop pulmonary emphysema.

Aphanoascus fulvescens - Extremely widespread in soil, animal skin scrapings, and dung. Is often associated with birds nests and feathers. Should be considered an allergen. This fungus has also been documented in skin infections. No toxic related diseases are of record to date.

Apophysomyces elegans - Extremely widespread in soil and decaying vegetation. Should be considered an allergen. This fungus has also been documented in various zygomycosis including necrotizing fascitis, osteomyelitis, and angioinvasion. Most cases are acquired through the tramatic implantation of the fungus. No toxic related diseases are of record to date.

Arthrinium phaeospermum - Widespread saprophyte on dead plant material, particularly swampy grasses. Should be considered an allergen. This fungus has also been documented in various subcutaneous infections. No toxic related diseases are of record to date.

Arthrographis spp. - Extremely widespread in soil and decaying vegetation. Arthrographis cuboidea and A. kalrae should be considered to be allergens. A kalrae has been documented in onychomycosis and has been recovered from the skin, nails, and respiratory sites but has not been established as an etiological agent. No toxic related diseases are of record to date.

Ascomycete. - One of the major classes of fungal organisms. This class contains the the"sac fungi" and yeasts. Some ascomycete spores can be identified by spore morphology, however; some care should be excersised with regard to specific identification. Many ascomycete spores are reported to be allergenic.

Aspergillus sp. - A genus of fungi containing approximately 150 recognized species. Members of this genus have been recovered from a variety of habitats, but are especially common as saprophytes on decaying vegetation, soils, stored food, feed products in tropical and subtropical regions. Some species are parasitic on insects, plants and animals, including man. Species within this genus have reported Aw's (water activities) between 0.75 - 0.82. All of the species contained in this genus should be considered allergenic. Various Aspergillus species are a common cause of extrinsic asthma (immediate-type hypersensitivity: type I). Acute symptoms include edema and bronchiospasms. Chronic cases may develop pulmonary emphysema. Members of this genus are reported to cause a variety of opportunistic infections of the ears and eyes. Sever pulmonary infections may also occur. Many species produce mycotoxins which may be associated with disease in humans and other animals. Toxin production is dependent on the species or a strain within a species and on the food source for the fungus. Some of these toxins have been found to be carcinogenic in animal species. Several toxins are considered potential human carcinogens.

Aspergillus alliaceus- This species is not commonly reported from nature and is not considered common to indoor environments. It has been isolated from soils in desert areas, grassland or cultivated soils, cacti, onion, and garlic bulbs. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus auricomus- This species was originally isolated from an aqueous solution of potassium iodidie. It has also been isolated from cottonseed in Arizona. This species is not considered common to indoor environments. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus caespitosus - This species is not considered common to indoor environments. It has been predominantly isolated from soils but has also been isolated from sugarcane bagesse. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus caesiellus - This species is not considered common to indoor environments. It has been predominantly isolated from soils. This fungus should be considered allergenic. No toxic diseases have been documented to date. This species has been reported as an opportunistic pathogen.

Aspergillus candidus - This species considered common to indoor environments. It occurs predominantely in tropical and subtropical regions in stored foods and feedstuffs such as wheat, corn, barely, sorghum, rice, peanuts, dried macaroni and spaghetti, refrigerated dough products, and flour. It has also been isolated from soils. It has an Aw (water activity) of 0.75 and Conidia (spores) dimensions 2.5-4 microns. This fungus should be considered allergenic. This species has been reported as an opportunistic pathogen including onychomycosis, otomycosis, and invasive aspergillosis. It has also been reported to produce the toxin petulin which may be associated with disease in humans and other animals.

Aspergillus carbonarius - This distinctive species has not been commonly reported. It has been isolated from mud and wood in mangrove swamps, soil, and polluted water. This species is not considered common to indoor environments. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus carneus - This species is not considered common to indoor environments. It has been predominantly isolated from tropical and subtropical soils. This fungus should be considered allergenic. No toxic diseases have been documented to date. This species has been reported as an opportunistic pathogen.

Aspergillus cervinus - This species has not been commonly reported. It has been isolated from tropical rainforest soils in Malaya, Puerto Rico, New Zealand, Wisconsin, and India. This species is not considered common to indoor environments. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus clavatus - This distinctive species is a common soil fungus with widespread distribution in soils in warmer climates. It also is quite widely distributed in some kinds of foods, especially cereals. This species is not considered common to indoor environments, however; it has been frequently associated with the brewing industry. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus deflectus - This species is not considered common to indoor environments. It has been predominantly isolated from tropical and subtropical soils. This fungus should be considered allergenic. No toxic diseases have been documented to date. This species has been reported as an opportunistic pathogen.

Aspergillus flavipes - This species may be recovered from indoor environments. It has been predominantly isolated from tropical and subtropical soils and decaying vegetation, however; it has also been isolated from deteriorated cotton fabric. This fungus should be considered allergenic. No toxic diseases have been documented to date. This species has been reported as an opportunistic pathogen associated with cutaneous aspergillosis and osteomyelitis.

Aspergillus flavus - This species may be recovered from the indoor environment. It has worldwide distribution but is predominantly a tropical to subtropical fungus apparently more common in cultivated than uncultivated soil. It colonizes on decaying vegetation, crop seeds and many other substrates. It grows on moldy corn and peanuts and can also be found in other foods and dairy products. It has been reported in water damaged carpets. It has also been reported as an insect and animal pathogen. This fungus has an Aw (water activity) of 0.78. and conidia (spores) dimensions 3-6 microns or 3-5 microns. This fungus should be considered allergenic. Its presence has been associated with reports of asthma. Approximately 50% of the strains are capable of producing a group of mycotoxins - in the aflatoxin group. Aflatoxins are known animal carcinogen. There is limited evidence to suggest that this toxin is also a human carcinogen. The production of the fungal toxin is dependent on the growth conditions and on the substrate used as a food source. The toxin is poisonous to humans by ingestion and may directly affect the liver. Experiments have indicated that it is teratogenic and mutagenic. This fungus may also result in disease via inhalation and is associated with aspergillosis of the lungs and/or disseminated aspergillosis. This fungus is occasionally identified as the cause of corneal, otomycotic, and nasoorbital infections.

Aspergillus foetidus - This species is not commonly reported from nature and is not considered common to indoor environments. It has been used in several industrial processes including koji for shochu and enzyme production. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus fumigatus - This species may be recovered from the indoor environment. It has worldwide distribution and grows over a wide range of temperatures. It has been recovered from soils, plants, seeds, sludge, wood chips, compost, cotton, and penguin excreta. It is commonly found outdoors in compost piles with temperatures higher than 40 degrees C, in mild to warm soils and on cereals. This fungus has an Aw (water activity) of 0.82 with an optimum > 0.97. Conidia (spores) have dimensions of 2-3.5 microns. This fungus should be considered allergenic, however; it should be considered as a principle cause for both invasive and allergic aspergillosis. This organisms will particularly affect individuals who are immune compromised. It is considered a true human pathogen. No toxic diseases have been documented to date.

Aspergillus japonicus - This species is not commonly reported from nature and is not considered common to indoor environments. It has been isolated from subtropical and tropical soils and also submerged organic debris. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus kanagawaensis - This species is not commonly reported from nature and is not considered common to indoor environments. It has been isolated from soils in hemlock and jack pine forest in Wisconsin. Has also been isolated from soils in Japan. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus glaucus - This species may be recovered from the indoor environment. It has widespread distribution in subtropical regions. It has been recovered in nature from soils and on plants. This fungus can grow at low moisture levels and has also been isolated from grains, sugary food products, meat, wool, dried foods, and leather. It has been reported as a common outdoor fungus in the winter. The conidia (spores) for this fungus have dimensions of 5-6.5 microns and is the imperfect stage of the ascomycetous fungus Eurotium sp. It is reported to be allergenic. This species is only occasionally pathogenic and has been associated with sinusitis, otitis, cerebral, orofacial, and pulmonary infections. No toxic diseases have been documented to date.

Aspergillus nidulans - This species is not considered common to indoor environments. It has been frequently isolated from tropical and subtropical soils but less frequently from other areas. This fungus has an Aw (water activity) of 0.78 with conidia (spores) having dimensions of 2-4 microns. It is reported to be allergenic. This species has been reported in a variety of animal and human infections including invasive and systemic disease including aspergillosis of the lungs and/or disseminated aspergillosis. It can produce the mycotoxin sterigmatocysti that has been shown to produce liver and kidney damage in lab animals.

Aspergillus niger - This species is considered common to indoor environments. It is widespread in the soil and on plants and is also considered a common contaminant of foods. It has a musty odor. It is commonly found in the environment on textiles, in soils, grains, fruits and vegetables isolated from tropical and subtropical soils but less frequently from other areas. This fungus has an Aw (water activity) of 0.77 with an optimum > 0.97 . Conidia (spores) have dimensions of 3.5 - 5 microns or 4 to 5 microns. It is reported to be allergenic. It is common in secondary organisms following bacterial otitis and is more commonly being implicated in pulmonary disease in immunocompromised hosts. It has also been reported to cause skin infections.

Aspergillus niveus - This species is not considered common to indoor environments. It has been predominantly isolated from soils and appears to be widely distributed. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus ochraceus - This species is considered common to indoor environments. It is widespread in cultivated soils, but has also been documented in uncultivated soils, grains, and salted food products. It is not usually associated with decaying vegetation. This fungus has an Aw (water activity) of 0.77 with conidia (spores) having dimensions of 2.5 - 3 microns. It is reported to be allergenic. It has not been reported as causing any invasive disease to date. This fungus can also produce ochratoxin A, which may produce ochratoxicosis in humans. This is also known as Balkan nephropathy, a disorder that affects the kidneys. The toxin is produced at optimum growth conditions at 25 degrees C and high moisture conditions. The ochratoxin may also be produced by other Aspergillus sp. and Penicillium sp. Other toxins which can be produced by this fungus include penicillic acid, xanthomegnin and viomellein. These are all reported to be kidney and liver toxins.

Aspergillus oryzae - This species may be considered common to some indoor environments. It has been predominantly isolated from soils, vegetative plant parts, seeds, and cotton fabrics. It is also used in food fermentations, in the production of saki, shoyu, miso, and soy sauce, and as a source of industrial enzymes. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus ostianus - This species is not considered common to indoor environments. It has been isolated from animal feed, chicory seed, and gram seed storage. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus paradoxus - This species is considered a very uncommon species that is not considered typical of indoor environments. It has been isolated from opossum dung and soil. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus parasiticus - This species is not considered common to indoor environments. It has been isolated from cultivated soils. Lack of reported isolations may be due in part to the failure of investigators to differentiate A. parasiticus from A. flavus. It has been isolated more frequently from seeds, other plants, and insects. This fungus should be considered allergenic. No invasive diseases have been documented to date. Some strains are capable of producing a group of mycotoxins - in the aflatoxin group. Aflatoxins are known animal carcinogen. There is limited evidence to suggest that this toxin is a human carcinogen. The toxin is poisonous to humans by ingestion. Experiments have indicated that it is teratogenic and mutagenic. It is toxic to the liver. The production of the fungal toxin is dependent on the growth conditions and on the substrate used as a food source.

Aspergillus penicilloides - This species is not generally considered common to indoor environments, however; this may be related to its xerophyilic nature (can grow in areas with low water activity) and that it grows very poorly on usual laboratory media. Therefore, it may often be overlooked in typical investigations. Reports in the literature are quite rare, however, if suitable media are used, the species can be recovered in large numbers from a variety of dried foods, house dust, spices, and cereals. This fungus should be considered allergenic. It has also been reported as an opportunistic pathogen. No toxic diseases have been documented to date.

Aspergillus puniceus - This species is not commonly reported from nature and is not considered common to indoor environments. It has been isolated from soils. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus restrictus - This species is not generally considered common to indoor environments, however; this may be related to its slow growing nature. Therefore, it may often be overlooked in typical investigations. It has been isolated from a variety of subtrates including soil, cotton goods and fruit juices, and from air. This fungus should be considered allergenic. It has also been reported as an opportunistic pathogen and associated with endocarditis, onychomycosis, and pulmonary aspergillosis. No toxic diseases have been documented to date.

Aspergillus sclerotiorum - This species is not considered common to indoor environments. It has been isolated from tropical and subtropical soils. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus sojae - This species is not considered common to indoor environments. To date, it has only been isolated from koji fermentations. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus sparsis - This species is not considered common to both outdoor or indoor environments. It has been isolated from soil. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus sydowi - This species has worldwide distribution. Its primary habitat is the soil, but it has been reecovered from a variety of other substrates. Found in warmer soil and in grains, straw, cotton, and decomposing vegetation. It appears to be less common in foods than A. versicolor. This fungus should be considered allergenic. This fungus is associated with aspergillosis of the lungs and/or disseminated aspergillosis otomycosis (ear infection) and onychomycosis (infection of finger or toe nails). This fungus can produce the toxins patulin and citrinin which may be associated with disease in humans and other animals.

Aspergillus tamarii - This species is not considered common to both outdoor or indoor environments. It was originally isolated from tamari sauce. It is fairly common soil fungus and has been isolated from seeds of various crops and other substrates. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus terreus - This fungus has worldwide distribution in soils, but is more abundant in tropical and subtropical regions rather than temperate regions. It is also common in cultivated soils and forests than grasslands. It is common in stored crops and has been isolated from other foodstuffs. It should be considered allergenic. Invasive bronchopulmonary aspergillosis, onychomycosis, cutaneous, ophthalmic, and disseminated mycosis have been documented. No toxic or invasive diseases have been documented to date.

Aspergillus unguis - This species is not considered common but have been isolated from a variety of substrates including man, shoe leather, and sesame seeds. This fungus should be considered allergenic. No toxic or invasive diseases have been documented to date.

Aspergillus ustus - This species is not considered common in habitats other than tropical or subtropical soils. This fungus should be considered allergenic. This species is only occasionally pathogenic and has been associated with otitis media, burns, and disseminated infections. No toxic diseases have been documented to date.

Aspergillus versicolor - This is a widely distributed fungus commonly found in soil, hay, cotton, dairy products, dried cereals, nuts, and especially spices. It is often considered to be one of the most widely distributed species of Aspergillus. This fungus should be considered allergenic. This species is pathogenic and has been associated with onychomycosis and invasive aspergillosis. It can produce a mycotoxin sterigmatocystin and cyclopiaxonic acid. These toxins can cause diarrhea and upset stomach. It is also reported to be a kidney and liver carcinogen.

Aspergillus wentii - This species is considered common with its main distribution in tropical or subtropical soils. It has also been isolated from plant litter and seeds. This fungus should be considered allergenic. This species is only occasionally pathogenic and has been associated with otitis media, burns, and disseminated infections. No toxic diseases have been documented to date.

Aureobasidium pullulans- A cosmopolitan fungus with the main habitat apparently on the aerial parts of plants. Frequently found in moist environments. This fungus should be considered allergenic. This species has been associated with deratitis, peritonitis, pulmaonary infection, and invasive disease in AIDS patients. Probably aquired by traumatic implantation. May be recovered as a contaminant from human cutaneous sites. No toxic diseases have been documented to date.

These are other types of mold as well. Basidiomycetes, Basidiobolus, Beauveria, Bipolaris , Bipolaris australiensism, Bipolaris cynodontis, Bipolaris hawaiiensis, Bipolaris spicifera, Blastomyces, Blastoschizomyces, Candida, Candida albicans, Candida ciferrii, Candida glabrata, Candida guilliermondii, Candida kefyr, Candida krusei, Candida lambica, Candida lipolytica, Candida lusitaniae, Candida parapsilosis, Candida rugosa, Candida tropicalis, Candida zeylanoides, Cephalosporium, Chaetomium, Chaetomium atrobrunneum, Chaetomium globosum, Chaetomium strumarium, Chrysosporium, Cladophialophora, Cladosporium, Cladosporium cladosporioides, Cladosporium herbarum, Cladosporium macrocarpum, Cladosporium sphaerospermum, Cladosporium fulvum, Cryptostroma corticale, Conidobolus, Cunninghamella, Curvularia, Dreschlera, Emericella nidulans, Emericella quadrillineata, Emericella rugulosa, Epicoccum, Epidermophyton, Eurotium amstelodami, Eurotium chevalieri, Eurotium rubrum, Fusarium solani, Fusarium, Geotrichum, Gliocladium, Helminthosporium, Histoplasma, Humicula, Hyaline Mycelia, Microsporum, Monilia, Mucor, Nigrospora, Paecilomyces, Papulospora, Penicillium, Periconia, Phoma, Pithomyces, Rhizomucor, Rhizopus, Rhodotorula, Saccharomyces, Serpula lacrymans, Sporobolomyces, Sporothrix, Sporotrichum, Stachybotrys, Stemphylium, Syncephalastrum, Trichoderma, Trichophyton, Trichothecium, Tritirachium, Ulocladium, Verticillium, Wallemia And Yeast.

Brooklyn Mold Inspections Inc.  -  1566 Hendrickson Street  -  Brooklyn,  New York 11234  -  718-677-6654