in hemlock and douglas-fir forests in washington, and in coast redwood forests in california. its cap features small, dark brown scales at maturity, and it has a thick, rubbery ring on its stem. a similar species, agaricus deardorffensis, is also found on the west coast; its cap is paler brown and less...
east ofthe rocky mountains, and have you seen a woodland agaricus with a scaly to fibrillose brown cap and flesh that stains red when bruised or sliced?...
by most authors, but agaricus expert richard kerrigan ( ) separates it on the basis of dna sequencing and morphological differences. like agaricus abruptibulbus, agaricus reducibulbus is a white, almond-scented, woodland species. however, agaricus reducibulbus remains white as it develops (agaricus...
augustus . like its west-coast counterpart it has a large cap adorned with brown scales, and a strong odor, reminiscent of almonds. however, its young cap is more rounded (the cap ofagaricus augustus is often blocky when young), and it appears in high-elevation spruce-fir forests (agaricus augustus...
under monterey cyprus on the california coast. crucial identifying features include the reddish brown cap with appressed fibrils, the red-staining flesh (slice a specimen in two to see the color change), and, often, the brown ringlets on the lower part ofthe stem. there are two similar red-staining...
its cap is white, its partial veil often features a cogwheeled underside, and its gills progress from whitish to dark brown without a pink stage. however, unlike agaricus fissuratus, agaricus crocodilinus usually features girdles of small scales around the lower stem, and its cap does not have a tendency...
campestris ," known from lawns and meadows in eastern north america. it features gills that are pink before turning brown, non-staining flesh, a flimsy ring , and relatively small spores. despite appearances, however, agaricus porphyrocephalus is not particularly closely related to species in the campestris...
andrewii can be separated by its spores, which generally fall in the – μm range, length-wise. like other species in the group it grows in grass and features a whitish cap, gills that progress from pink to brown, and a pointed stem base. by maturity the ring is usually collapsed and not prominent. agaricus...
you and your field guide have been calling " agaricus campestris ." it's white, squat, and grows in grass—and it features flimsy veils and gills that are pink when young. in short, you won't be able to distinguish it from other members ofthe campestris group without a microscope; its spores, at about...