| | Substratum : | Terricolous | |
| | Continent: : Africa no North America no S. and C. America no | Asia no Australia no Europe yes | |
| | Authority : | Fries ss. Melzer-Zvara | |
| | Synonyms and close species : | C: R. integra
R. badia
R. urens ss Schaeffer | |
| | Information given by author(s) : | Insidiosae urentinae
Type : 18-IX-49 | |
| | Host(s) : | Coniferous (Picea, Abies) | |
| | Taxon name_Mycobank :
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| | Bibliography :
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Stipe |
| | Width of stipe : | 20 - 30 | |
| | Veil : | Absent | |
| | Form of base of stipe : | Not radicate | |
| | Form of stipe : | Inflated at top to straight | |
| | Context of stipe : | Solid/partly hol./compl. hol. | |
| | Main color(s) of stipe: : grey/black yes brown yes white yes yellow/cream no blue no | orange no red/pink no purple/vinaceous no green no | |
| | Length of stipe : | 50 - 120 | |
| |
Pileus |
| | Type of pileipellis : | Smooth to squamose or both | |
| | Striations of pileus : | Absent to weak or both | |
| | Viscosity of pileus : | Viscid/viscous even if dry | |
| | Form of center of pileus : | Concave to plane or both | |
| | Separability of pileus : | Medium (from25% to 75%) | |
| |
Thickness of flesh of pileus |
| | Main color(s) of pileus: : grey/black no brown yes white no yellow/cream yes blue no | orange no red/pink yes purple/vinaceous yes green no | |
| | Diameter of pileus : | 70 - 120 | |
| |
Lamellae |
| | Spacing of lamellae : | Distant | |
| | Number of lamellulae : | Less than lamellae | |
| | Furcation of lamellae : | At the stipe/absent | |
| | Color of ridges of lamellae : | Variable in color | |
| | Attachment of lamellae : | Free to adnate/subfree/both | |
| | Type of lamellar ridges : | Entire/smooth | |
| | Main color(s) of lamellae: : grey/black no brown no white variable yellow/cream yes blue no | orange no red/pink variable purple/vinaceous no green no | |
| | Height of lamellae : | 7 - 12 | |
| | Odor : | Strong and pleasant | |
| | Flavor of flesh : | Sweet to bitter or both | |
| |
Color changes |
| | Fruit body turns green/blue with age : | Not turning green/blue | |
| | Fruit body turns red if touched/cut : | Not turning red | |
| | Fruit body turns yellow-brown with age : | Entire fruit body | |
| | Fruit body turns br. yellow if touched : | Not turning bright yellow | |
| | Fruit body turns black with age/touched : | Not blackening | |
| | Fruit body turns grey with age : | Entire fruit body | |
| |
Chemical reactions |
| | Ga´ac test on flesh : | Blue/green | |
| |
Latex |
| | Latex : | Absent | |
| | Color(s) of fresh latex: : grey/black no brown no white no yellow/cream no blue no | orange no red/pink no purple/vinaceous no green no | |
| | Color(s) of dry latex: : grey/black no brown no white no yellow/cream no blue no | orange no red/pink no purple/vinaceous no green no | |
| |
Spores |
| | Length of spores : | (7.5) 8 - 10.7 (15) | |
| | Width of spores : | 7 - 9.2 (11.5) | |
| | Amyloid plage : | Present | |
| | Appearance of spores verrucae : | Tips acute/sharp/pointed (/) | |
| | Ornamentations in surface view : | Round bases | |
| | Connection(s) between verrucae : | No ornament./smooth or so | |
| | Overall appearance of spores : | Not reticulate | |
| | Height of verrucae : | x > = 2 µm | |
| | Color of spore deposit : | 26 | |
| |
Basidia |
| | Length of basidia : | 52 - 60 | |
| | Width of basidia : | 13.2 - 16.5 | |
| | Number of sterigmata per basidium : | Four | |
| |
Pleurocystidia |
| | Length of pleurocystidia : | 100 - 130 | |
| | Width of pleurocystidia : | 10 - 15 (18) | |
| | Thickness of wall of pleurocystidia : | Thin (all structures < 2 µm) | |
| | Shape of apices of pleurocystidia : | Mainly capit./append./acerate | |
| | Sulfo-vanillin test on pleurocystidia : | Blue/black/red/pur./or./brown | |
| | Pleurocystidia abundance: : absent no | | |
| |
Marginal cells |
| | Length of marginal cells : | 0 | |
| | Width of marginal cells : | 0 | |
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Subhymenium |
| | Differentiation of supra and subpellis : | Obvious | |
| | Size of cells in supra and subpellis : | Same in size | |
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Pileocystidia |
| | Width of pileocystidia : | 5.6 - 11.5 | |
| | Location of pileocystidia : | Suprapellis | |
| | Sulfo-vanillin test on pileocystidia : | Variable/weak reaction | |
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Hyphae of pileus |
| | Diameter of ends of pileipellis hyphae : | 2.5 - 3.5 | |
| | Diameter of primordial hyphae : | 0 | |
| | Vacuolar pigments of hyphae of pileus : | Present | |
| | Membrane pigments of hyphae of pileus : | Absent | |
| | Wall of hyphae of pileus : | Thin (<1 µm) | |
| | Filamentous hyphae of pileus : | Absent | |