Key to 11 Bolete Taxa with Pitted or Ridged Spores
|1.||Stem shaggy, coarsely and conspicuously reticulate, or conspicuously ridged.|
|1.||Stem fairly smooth, or finely reticulate.|
|2.||Pore surface bruising blue.|
|2.||Pore surface not bruising blue.|
|3.||Stem and mature cap conspicuously scaly; growing terrestrially.|
|3.||Stem hairy and dotted, cap smooth becoming cracked; often (but not always) growing from or near rotting oak stumps.|
|4.||Spore print pinkish brown to reddish brown.|
|5.||Cap smooth, moist to slimy when wet, shiny when dry; stem yellow, becoming reddish with age; spores pitted.|
|5.||Cap velvety and dry; stem reddish brown, without a yellow stage; spores grooved and ridged.|
|6.||Cap reddish brown to brown; taste mild.|
Austroboletus gracilis var. pulcherripes
|7.||Pore surface whitish at first, becoming pinkish to flesh-colored at maturity; stem usually graceful and slender.|
|7.||Mature pore surface yellowish to bright yellow; stem variously shaped but not typically graceful and slender.|
|8.||Cap variously colored but not covered with large, conspicuous hairy scales; partial veil absent.|
|9.||Cap blackish brown to brown, without reddish shades; often (but not always) growing from or near rotting oak stumps.|
|9.||Cap reddish, at least when young; growing terrestrially.|
|10.||Cap reddish when young but soon olive brown to olive gray; taste mild; most spores < 12 µ long.|
Both, E. E. (1993). The boletes of North America: A compendium. Buffalo NY: Buffalo Museum of Science. 436 pp.
Coker, W. C. and Beers, A. H. (1943). The boleti of North Carolina. New York: Dover. 96 pp. (1971 reprint.)
Grund, D. W. & Harrison, A. K. (1976). Nova Scotian boletes. Germany: J. Cramer. 283 pp.
Smith, A. H. & Thiers, H. D. (1971). The boletes of Michigan. Ann Arbor: U Michigan P. 428 pp. An online version of this book is available here, at the University of Michigan Herbarium (URL too long for duplication).
Smith, A. H., Smith, H. V. & Weber, N. S. (1981). How to know the non-gilled mushrooms. Dubuque, Iowa: Wm. C. Brown. 324 pp.
Snell, W. H. & Dick, E. A. (1970). The boleti of northeastern North America. Germany: J. Cramer. 115 pp.
Wolfe, C. B. (1979). Austroboletus and Tylopilus subgenus Porphyrellus with emphasis on North American taxa. Germany: J. Cramer. 148 pp.
Cite this page as:
Kuo, M. (2005, March). The genera Boletellus and Austroboletus. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/boletellus.html