Corticium roseum Pers.: Fr.
no common name
Corticiaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
no common name
Corticiaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Species Information
Summary:
Features include 1) resupinate growth on wood (mostly hardwood), 2) fruitbodies that are pink, ranging from circular and small to large and conspicuous, mostly uneven with low tubercles and wrinkles, tightly attached when young, 3) spores that are elliptic, smooth, inamyloid, and colorless, the spore print light red, 4) a surface layer consisting of a) richly branching hyphidia, b) narrowly clavate basidia in various stages of development that penetrate the surface when mature, and c) thin-walled hyphae, and 5) a monomitic hyphal system, the hyphae with clamp connections, and the basal hyphae thick-walled.
Microscopic:
SPORES 9-16 x 6-10 microns, elliptic, smooth, inamyloid, thin-walled, spore print light red; subhymenium thickening, composed of thin-walled hyphae, basidia in various stages of development, and numerous dendrohyphidia; BASIDIA "starting as probasidial, ellipsoid or angular bladders in the autumn, in late spring developing a tubelike metabasidial part of varying length, depending on the position of the probasidium", but mostly the total basidium measuring 40-60(70) x 5-7 microns, basidia 4-spored, with clamp connection; DENDROHYPHIDIA numerous, forming a covering layer in sterile state (but penetrated by basidia when fertile), richly and irregularly branched, crystalline grainy encrustation especially in old specimens, mostly colorless but often yellowish under the microscope; CYSTIDIA none; HYPHAE monomitic richly branched and with clamp connections, those of the subiculum mostly horizontal with thickened walls, (Eriksson), SPORES 10.5-12 x 6.5-8 microns, oval to broadly elliptic, smooth, inamyloid, colorless; BASIDIA 4-spored, 80-90 x 9-10 microns, narrowly clavate, often strongly sinuous; DENDROHYPHIDIA 1-2 microns wide, strongly branched, imbedded in hymenium, with crystals in older specimens; CYSTIDIA not seen; HYPHAE monomitic 2-4 microns wide, with clamp connections, BASAL HYPHAE thick-walled, (Breitenbach)
Notes:
Corticium roseum has been found in BC, WA, OR, ID, MB, NS, ON, NB, AL, AZ, CA, CO, DC, GA, IA, IL, IN, MA, MD, ME, MI, MN, MO, MT, NC, NJ, NM, NY, OH, PA, VT, and WI, (Ginns), Sweden and Finland, (Eriksson), and Switzerland and Asia, (Breitenbach).
Habitat and Range
SIMILAR SPECIES
Corticium boreoroseum differs from Corticium roseum "in the presence of rhizomorphs, the fruitbody being not strictly orbicular but formed by small initials, and having smaller spores", (Eriksson). Eichleriella deglubens resembles this species macroscopically in certain respects, but has scattered small spines on the hymenium and is completely different microscopically, (Breitenbach).Habitat
limbs, bark and wood of branches and logs, associated with a white rot, hosts include Abies magnifica (California Red Fir), Acer rubrum (Red Alder), Alnus incana (Speckled Alder), Alnus oblongifolia (Arizona alder), Arctostaphylos patula (Greenleaf Manzanita), Carya sp. (hickory), Juglans major (Arizona Walnut), Liriodendron tulipifera (Tuliptree), Nyssa sylvatica (Black Tupelo), Populus tremuloides (Quaking Aspen), Populus trichocarpa (Black Cottonwood), Quercus kelloggii (California Black Oak), Rhus glabra (smooth sumac), Salix sericea (Silky Willow), Tsuga mertensiana (Mountain Hemlock), Ulmus sp. (elm), (Ginns), on hanging branches and fallen trunks, especially of Salix spp. (willow) and Populus tremula (European aspen), rarely on other substrates, e.g. Juniperus (juniper), Betula (birch), and Cytisus scoparium (broom), (Eriksson for North Europe), on attached dead branches and standing dead trunks, usually with bark, of Salix, and Populus tremula, more rarely on Betula and Fraxinus (ash); throughout the year, (Breitenbach)
Status Information
Synonyms
Synonyms and Alternate Names:
Aleurodiscus roseus (Pers.) Hoehn. & Litsch.
Corticium sulfureoisabellinum Litsch. in Pilat
Laeticorticium roseum (Pers.) Donk
Phlebia sulfureoisabellina (Litsch.) Parmasto