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Located in mixed hardwood/conifer;
Cap pale yellow, covered with rusty brown/brick red pigment patches throughout except for the center, broadly convex, depressed center, KOH reddish brown;
Gills whitish/creamy, attached, close, anastomosing, some forking near stem;
Stem white/creamy at apex, darkening towards textured base, more or less equal, dry;
Spore print white;
Spores subglobose, warts evident in iodine.

Located in mixed hardwood/conifer, by fallen tree in stream bed area;
Cap grey, zonate, flat with central depression, thin context, in rolled margin, KOH orange;
Gills creamy/buff, slightly decurrent, short gills present, close, white milk drop dries with a greenish tinge/damaged gills dry grey (image #7), milk VERY HOT -- for the FIRST TIME EVER, I had to taste test it; an hour later, the tip of my tongue was still burning! (I HAD to go there!)
Stem greyish, paler than cap, more or less equal, white flesh;
Spore print pale ochre (minimally visable in image; more apparent in person);
Spores broadly ellipsoid with warts, connecting broad ridges, amyloid.

Located in mixed hardwood/conifer, soil/duff;
Fruit body small, sparingly branched, from shared stem;
Branches dull yellowish white, round/somewhat flattened, dry, smooth, bald;
Stem whitish, smooth, bald;
Spore print white;
Spores subfusiform, smooth, hyaline.

Caloboletus inedulis in Anne Arundel county Maryland in soil and mowed grass under a swamp-type oak (oval leaf with tiny spines at the end of veins, see photo #1) near a parking lot.

Cap is pale brown, split at edges, probably from dry conditions. Pores dull olive yellow, staining immediately. stipe thick, often tapered toward bottom, and pinched at the base. Stipe surface with red, brown, or indistinct reticulation in mid section, some yellow reticulation near top. Whitish or yellowish basal mycelium.

When sectioned or at splits, context is whitish or creamy yellow. context beneath cap (and sometimes the stipe) are slowly pink. Context of majority of cap and stipe is quickly blue becoming gray then brown. Note very dark blue stain on cross-section of stipe. Context is unusually solid and bug free. Very mild mushroomy smell, maybe with a bit of sourness. Mild taste. Bitterness not noted.