mushroom, which is sometimes called the "lawnmower's mushroom," at one time or another. it is one ofthe most common and widely distributed lawn mushrooms in north america, and it often fruits in large numbers. some people are upset by this; i often receive emails from people wanting to know how panaeolus...
zonarius gets my vote for all-time worst lactarius nightmare. we have, on our continent, a bunch of poorly understood and often poorly defined species, varieties, and forms that are similar to lactarius zonarius. among these, lactarius psammicola is arguably the most clearly delineated and recognizable...
pinkish brown cap. in collections of mature mushrooms, the pore surface usually discolors pinkish or reddish on bruising. when young, the stem is typically adorned with tiny yellow granules or fibers. the cap surface does not flash green with ammonia, helping to separate it from the similar boletus...
your finger and thumb), mycena niveipes can be recognized by the fact that it grows on the deadwood of hardwoods and features a pale grayish to brownish cap that soon fades to nearly white, along with a silvery stem that is often finely grooved and covered with tiny white fibers. under the microscope...
testing, where we test filters and their ability to retain bacteria. filters are challenged with ≥ x cfu/cm ofthe effective filtration area at a specified pressure. the filtrate obtained is then filtered through an appropriate assay filter which is plated onto agar. after incubation, the assay filters...