Public Description of Lactarius subplinthogalus Coker

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Name: Lactarius subplinthogalus Coker
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Description status: Unreviewed

Taxonomic Classification:

Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Russulales
Family: Russulaceae


General Description:

Ecology: Mycorrhizal with oaks and, perhaps, with other hardwoods; growing alone, scattered, or gregariously; summer and fall; widely distributed east of the Rocky Mountains, but especially common in the southeastern United States and in Mexico.

Cap: 3-10 cm; flat, with a central depression, or shallowly vase-shaped; the margin usually becoming scalloped or pleated by maturity, at least shallowly; smooth or somewhat wrinkled, especially in age; bald or very finely velvety; whitish to yellowish buff, eventually darkening to light brown or grayish brown.

Gills: Beginning to run down the stem; very distant (about 1-3 mm apart at the margin); yellowish; stained salmon pink (sometimes slowly) by the milk.

Stem: 3-8 cm long; 0.5-1.5 cm thick; equal or tapered to base; smooth; colored like the cap or paler; dry; hollowing.

Flesh: Soft; whitish; staining salmon pink when sliced.

Milk: White; drying pink; staining tissue pink.

Odor and Taste: Odor not distinctive; taste acrid (or sometimes mild, especially in older specimens).

Spore Print: Creamy or buff.

Chemical Reactions: KOH negative on cap surface.

Spores 7-9.5 × 7-8 µ; subglobose; ornamentation 1.5-2.5 µ high, as amyloid spines and wide, branched ridges that do not generally form reticula. Pleuromacrocystidia absent. Cheilocystidia subcylindric; to about 35 × 5 µ. Pileipellis a trichoepithelium or trichopalisade, with terminal cells cylindric to subclavate.


Distribution:
Widely distributed east of the Rocky Mountains

Habitat:
Mycorrhizal with oaks and, perhaps, with other hardwoods.

References:

http://www.speciesfungorum.org/...

Kuo, M. (2011, March). Lactarius subplinthogalus. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/lactarius_subplinthogalus.html


Notes:

Current Name:
Lactarius subplinthogalus Coker, J. Elisha Mitchell scient. Soc. 34(1): 50 (1918)

Synonymy:
Lactarius subplinthogalus var. chiangmaiensis H.T. Le & Stubbe, Fungal Diversity 27(1): 78 (2007)
Lactarius subplinthogalus Coker, J. Elisha Mitchell scient. Soc. 34(1): 50 (1918) var. subplinthogalus


Description author: walt sturgeon (Request Authorship Credit)


Created: 2014-01-22 11:08:51 CST (-0500) by walt sturgeon (Mycowalt)
Last modified: 2014-01-22 11:08:51 CST (-0500) by walt sturgeon (Mycowalt)
Viewed: 4 times, last viewed: 2019-07-03 05:14:04 CDT (-0400)