Mount Wachusett
Authors: Philip F. May
Citation: May, P.F. 1998. Lichens of the old-growth forest administrative area, Wachusett Mountain State Reservation. Unpublished report submitted to the Department of Environmental Management, Division of Forests & Parks, Region 3. (+updated report submitted on September 23, 2002)

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Families: 44
Genera: 98
Species: 225
Total Taxa (details): 227

Page 1 of 1: 1

common on exposed silicic rock (inadvertently left off original list); P. F. May 5801 [FH], P. F. May 3351 [FH], P. F. May 4269 [FH]
NB: this species is not included in Phil's 2002 report, but a specimen exists; P. F. May 5867 [FH]
NB: this species is not included in Phil's 2002 report, but there are specimens of it; P. F. May 5728 [FH], P. F. May 5832 [FH], P. F. May 5690 [FH]
Found once on beech, rarely collected in southern New England. A duplicate of this specimen exists in FH; E. Lay 98-0078 [NY]
NB: this species is not included under this name in Phil's 2002 report (it's probably a redetermined Trapelia specimen of his); P. F. May 5612 [FH]
This species was included as A. nyssigenum in Phil's 2002 report; but it is also mentioned as a separate species on the label of May 5832 (=Acrocordia megalospora). "Found once on bark of a stump"; P. F. May 5713 [FH], P. F. May 5728 [FH], P. F. May 3436 [FH]
"Found twice on hardwoods (second report for North America, first for the East Coast, although a few specimens are known to be at NY"); P. F. May 3359 [FH]
This species is included in Phil's 2002 report with the note "occasional, locally common on exposed silicic rock", but no voucher specimens could be located.
"One specimen on silicic rock [determined by Richard Harris; the boundary between this and A. verrucigera (both containing stictic acid) is poorly delimited, with many intermediates. Considered together, they're common.]"; P. F. May 4207 [FH], P. F. May 3353 [FH]
"Two specimens on silicic rock (determined by Richard Harris; see note under A. laevata)"; P. F. May 3269 [FH]
One large population found on a group of old red oaks on the west side; P. F. May 5730 [FH], P. F. May 5712 [FH], P. F. May 5678 [FH]
Found once sterile on silicic rock in deep recess; P. F. May 5837 [FH]
Infrequent, on moss on, and bark of, red oak (Biatora sp. 2 of the original report; according to Christian Printzen, this taxon may represent a new species: specimens 4229, 5715B, and 5696)
NB: this species is not included in Phil's 2002 report, because the voucher specimen was collected a month after the report was submitted; P. F. May 6169 [FH]
NB: this species is not included in Phil's 2002 report, but two specimens exist.; P. F. May 4274 [FH], P. F. May 3280 [FH]
Occasional to common on hardwoods (Biatora sp. 1 of the original report, in part; a new name has since been published); P. F. May 5692 [FH], P. F. May 5846 [FH]
NB: this species is not included in Phil's 2002 report, but a specimen (det. Tønsberg) exists; P. F. May 5699 [FH]
NB: this species is not included in Phil's 2002 report, because the voucher specimen was collected a month after the report was submitted; P. F. May 6167 [FH]
Infrequent, on moss over trees and rocks (Biatora sp. 1 of the original report, in part; specimen 5715A on bark of red oak was determined by Christian Printzen); P. F. May 5715A [FH]
Found once on moss on the trunk of a red oak; P. F. May 5700 [FH]
Originally recorded as Lecidea virginiensis (det. Richard Harris). "Found once on granitic rock in a seep, rarely collected in Massachusetts."; P. F. May 4289 [FH], E. Lay 98-0003 [FH]
this species was only found outside the study area (site 20: summit area); "found once on mortar"; P. F. May 5880 [FH]
this species was only found outside the study area (site 20: summit area); "occasional on rock walls adjacent to mortar"; P. F. May 5872 [FH]
this species was only found outside the study area (site 20: summit area); "locally common on mortar"; P. F. May 5874 [FH], P. May 5861 [FH]
Found once on granitic rock. This voucher specimen was databased under Cetraria arenaria but it is Cetrelia chicitae; P. F. May 4172 [FH]
Found once each on sugar maple and granitic rock; one of these specimens was databased as Cetraria arenaria but it is Cetrelia olivetorum; P. F. May 3457 [FH]
Coll. & Det. S. Selva; occasional on bark of yellow birch; P. F. May 4501C [FH]
Det. S. Selva; found once on yellow birch; P. F. May 3443 [FH]
Coll. & Det. S. Selva; found once on yellow birch; P. May 4498 [FH], Steven B. Selva 07361 [UMFK]
Simple spores. Found once on witch hazel and twice on firm wood (possibly an undescribed species); P. F. May 4503A [FH], P. F. May 4503B [FH]
NB: this species is included as only found outside the study area in Phil's 2002 report (sites CCW: found along lower West Side Trail during the Clara Cummings Walk, Spring, 1999), but no specimen could be located on CNALH; "found once near ledge in woods"
Occasional to common rotting wood, duff, and the base of trees; probably abundant as sterile squamules; P. F. May 3380 [FH], P. F. May 5583 [FH], P. F. May 5572 [FH], P. F. May 5515B [FH], more...
Found once on a rotten log and once on duff over rock. Third report of this species for New England (vidi Jim Hinds); P. F. May 5542 [FH], P. F. May 5625 [FH]
OK'd by Ahti. Occasional on duff, once on a conifer snag, once on a sugar maple; P. F. May 5768 [FH], P. F. May 3430 [FH]
Occasional locally, on exposed logs, duff, and rocks in balds; P. F. May 5513B [FH], P. F. May 5859 [FH], P. F. May 2001-00-00 [FH]
Found once on the base of a dead spruce, but probably occasional; P. F. May 1997-00-00 [FH]
NB: this species is included as only found outside the study area in Phil's 2002 report (sites CCW: found along lower West Side Trail during the Clara Cummings Walk, Spring, 1999 - but specimen voucher is from 1998); "found once in grass along edge of road"; P. F. May 1998-00-00 [FH]
This species is included in Phil's 2002 report with the note "occasional on duff", but no voucher specimens could be located.
Occasional on duff and on the bases of conifers in forest openings and balds; P. F. May 5733 [FH]
Found once on soil at base of a pitch pine; P. F. May 2000-00-00 [FH]
occasional on logs, moss, duff over rock, and the base of trees; probably common as sterile squamules; P. F. May 4157 [FH], P. F. May 4311 [FH]
Occasional mats on duff over rock in forest openings; P. F. May 4338 [FH]
NB: this species is included as only found outside the study area in Phil's 2002 report (sites CCW: found along lower West Side Trail during the Clara Cummings Walk, Spring, 1999 - but specimen voucher is from 1998); "found once in grass along edge of road"; P. F. May 1998-00-00 [FH]
common on decayed moss over silicic rock, found once each on a log and on a pitch pine trunk; P. F. May 3477 [FH], P. F. May 5777 [FH]
A few mats on soil locally near sunny balds at site 17; P. F. May 5797 [FH]
Locally common on soil locally near sunny bales (both upright thin and prostrate thick forms, pseudonorrangiformic acid by TLC); P. F. May 5763 [FH], P. F. May 5548 [FH], P. F. May 5780 [FH], P. F. May 5759 [FH], more...
NB: this species is included as only found outside the study area in Phil's 2002 report (sites CCW: found along lower West Side Trail during the Clara Cummings Walk, Spring, 1999), but no specimen could be located on CNALH; "found once on disturbed soil near road"
infrequent to occasional on silicic rock; P. F. May 5807 [FH]
infrequent, on conifers and hardwoods and once on Parmelia sulcata over rock and once on a yellow birch sapling; P. F. May 5529 [FH], P. F. May 3384 [FH]
common to locally abundant on bark of hardwoods, occasional on conifers and large shrubs; P. F. May 4214 [FH]
common on bark of hardwoods and conifers (this species seems always to be found sterile in southern New England); P. F. May 3462B [FH], P. F. May 4325 [FH], P. F. May 3333 [FH]
occasional on the west faces of silicic boulders (evidently not the same taxon as the sorediate European F. recensa); P. F. May 5801 [FH], P. F. May 5879B [FH]
locally common on pitch pine, infrequent on other conifers, and once on silicic rock; E. Lay 98-0021 [NY], P. F. May 4212 [FH]
occasional on conifers, hardwoods, and shrubs, more common locally on conifers; E. Lay 98-0027 [NY], P. F. May 3378 [FH]
found once on granitic rock (a sterile sorediate crust with atranorin, roccellic acid, and a yellow pigment, tentatively identified by Thorsten Lumbsch; if correct, then new for North America); P. F. May 3445 [FH]
found once on red oak; This voucher specimen was databased under Lecanora caesiorubella but it is L. chlarotera; P. F. May 4258 [FH]
found once on bark; ID'd by R.C. Harris as "Lecanora cf. hypopta"; according to R.C. Harris, it is undescribed; E. Lay 98-0007 [FH]
found once on red oak (rarely collected in Massachusetts); P. F. May 3308 [FH]
found twice on pitch pine cones; P. F. May 5758B [FH]
found once on silicic rock (first report for Massachusetts); P. F. May 5819 [FH]
NB: this species was included in Phil's 2002 report (as Micarea erratica), but no specimen could be located on CNALH; "found once on silicic rock"
="sp. 2" in Phil's 2002 report; contains atranorin and roccellic acid; "found once on red oak (May no. 4260)". NB: there is a voucher specimen in FH from this study labeled "Lepraria sp. 3" with a different chemistry
occasional, on silicic rock shaded from rain (not the real species according to Tønsberg); P. F. May 5826 [FH], P. F. May 3273 [FH], P. F. May 3279 [FH], P. F. May 5825 [FH], more...
originally recorded as "Lepraria lobificans"; occasional to common, on hardwoods, moss, and duff over rocks; P. F. May 3285 [FH], P. F. May 3264 [FH], P. F. May 3305 [FH]
occasional, on silicic rock sheltered from rain, once on red oak; P. F. May 4191 [FH], P. F. May 3412 [FH]
NB: this species is not included in Phil's 2002 report, because the voucher specimen was determined by T. Tønsberg after the report was submitted; P. F. May 3396 [FH]
common on exposed silicic rock; this includes some specimens that Phil determined as "L. aff. neglecta" that he said was common on sheltered rock faces and bark, and "is identical in chemistry to L. neglecta but has somewhat smaller granular soredia, grows more diffusely, lacks thick lobed margins, and prefers different microhabitats or substrates; according to Tor Tønsberg it represents an undescribed species"; P. F. May 3326 [FH], P. F. May 5833 [FH], P. F. May 3403 [FH], P. F. May 3345 [FH], more...
NB: this species was included in Phil's 2002 report (as "Lepraria aff. nivalis"), but no specimen could be located on CNALH; "occasional on silicic rock sheltered from rain (new to science)"
= "sp. 1" in Phil's 2002 report; determined by T. Tønsberg in 2002; contains atranorin, +/- unnamed fatty acid, +/- zeorin; "occasional, on silicic rock sheltered from rain and on bark of hemlock (a common species in eastern North America)"; P. F. May 5827C [FH]
infrequent on the base of hardwoods (red oak, shagbark hickory); P. F. May 5677 [FH], P. F. May 5686 [FH], P. F. May 4251 [FH]
Originally recorded as "Lichenothelia sp."; det. to species by K. Knudsen, 2011. "Found once on silicic rock (a lichen-like non-lichenized fungal species); P. F. May 4266 [NY]
NB: this species is not included in Phil's 2002 report, but a specimen exists; P. F. May 5723B [FH]
NB: this species is not included in Phil's 2002 report, because the sole voucher was collected in 2005; P. F. May 497-1 [FH]
found once on bark of ancient red oak (sensu Harris 1977; probably should be transferred to Scoliciosporum); P. F. May 5637 [FH]
NB: this species was not included in Phil's 2002 report, but a specimen exists; P. F. May 5539 [FH]
found once on wood; rarely collected in southern New England; E. Lay 98-0094 [NY], Steven B. Selva 07346 [UMFK]
locally common on pitch pines, occasional on white pine; P. F. May 5599 [FH]
found twice, on dead bark of a white pine and on a conifer snag; P. F. May 5767 [FH], P. F. May 5571 [FH]
found only outside the study area (site 20: the summit area); "locally common on mortar and on rock walls adjacent to mortar"; P. F. May 5876 [FH], P. F. May 5874 [FH]
common on bark of hardwoods, conifers, and witch hazel; E. Lay 98-0029 [NY], P. F. May 3304 [FH]
found twice, on silicic rock and red oak; P. F. May 4242 [FH], P. F. May 4175 [FH]
abundant on bark of hardwoods and on silicic rock, occasional on conifers and wood; P. F. May 3324 [FH]
this lichen seems to be "sterile sp. no. 2" of Phil's report; "infrequent, on bark of red oak or on moss on red oak"; P. F. May 4232 [FH], P. F. May 4250 [FH], P. F. May 4360 [FH]
listed as "Pertusaria cf. subpertusa" in Phil's 2002 report; found once on yellow birch; P. F. May 1997-00-00 [FH]
occasional on the shelf fungus Trichaptum biformis; P. F. May 4494 [FH], P. F. May 3283 [FH]
the FH specimens listed here were ID'd by Phil as "P. aff. argena"; they are from rock and are almost certainly P. petraea, so have been listed here under P. petraea. "Infrequent on silicic rock [this taxon is usually found sterile; it may or may not be a separate species from P. argena which grows on bark"]; P. F. May 4301 [NY], P. F. May 4845 [FH], P. F. May 4847 [FH], P. F. May 4301 [FH]
this species was only found outside the study area (site 20: summit area); "occasional on rock walls adjacent to mortar"; P. F. May 5860 [FH]
abundant on bark of hardwoods and shrubs; E. Lay 98-0034 [NY], P. F. May 3268 [FH]
common on bark of hardwoods, found once on rock; P. F. May 1997-00-00 [FH]
occasional on silicic rock and on moss over silicic rock; P. F. May 3389 [FH], P. F. May 3423 [FH]
found once on soil of root ball of fallen tree (first report for eastern North America); P. F. May 5650 [FH]
found once on silicic rock (first report for Massachusetts); P. F. May 5570 [FH]
NB: this species is not included in Phil's 2002 report (but a synonym, P. tahawasiana, is included), but a specimen exists; P. F. May 5801 [FH]
occasional on silicic rock sheltered from rain; P. F. May 3414 [FH]
found once on mountain-ash (new for New England, confirmed by Doug Ladd); P. F. May s.n. [FH]
NB: this species is not included in Phil's 2002 report, but there are specimens of it, probably because they were P. subrudecta specimens that were redetermined at a later date; P. F. May 3401A [FH], P. F. May 3401 [FH]
abundant on bark of hardwoods, shrubs, and conifers and on silicic rock; P. F. May 4193 [FH], P. F. May 3265 [FH]
occasional to common on silicic rock in seeps and rain channels; P. F. May 4309 [FH]
NB: this species is not included in Phil's 2002 report, but a specimen (collected by E. Lay and determined by A. Fryday in 2001) exists; E. Lay 98-0592 [NY]
found once on silicic rock (first report for New England); P. F. May 5865 [FH], P. F. May 5621B [FH]
NB: this species was included in Phil's 2002 report, but no specimen could be located on CNALH; "occasional on silicic rock (this newly described species was previously listed as Rhizocarpon aff. anaperum)"
found once on granitic rock, infrequently collected in New England; det. R.C. Harris; E. Lay 98-0082 [NY]
included in Phil's 2002 report as "Rinodina archaea aggregate"; found once on red oak; P. F. May 4240 [FH]
both specimens confirmed by J.W. Sheard; found twice on red oak, infrequently collected in Massachusetts; P. F. May 3374 [FH], P. F. May 5693 [FH]
infrequent, on yellow birch and red maple (second report for Massachusetts); P. F. May 5697 [FH], P. F. May 5687 [FH]
found twice on yellow birch (rarely collected in New England); P. F. May 3477B [FH]
NB: included in Phil's 2002 report as "R. adirondackii"; infrequent on red oak; P. F. May 4241 [FH], P. F. May 4253 [FH], P. F. May 4238 [FH]
this species was only found outside the study area (site 20: summit area); "found once on silicic rock (endolithic thallus, carbonaceous umbos on the disk, but an IKI+ blue hymenium and more or less simple, septate paraphyses; no mature asci found"; P. F. May [FH]
found once on white pine resin (a non-lichenized species studied by lichenologists); P. F. May [FH]
common on conifers, occasional on hardwoods, and shrubs; P. F. May 3463 [FH]
found once on the lichen Pertusaria macounii on shagbark hickory; det. S. Selva; P. F. May 4490 [FH], Phil May 07356 [UMFK]
This species is included in Phil's 2002 report with the note "common on schist balds", but no voucher specimens could be located.
NB: this species is included in Phil's 2002 report as "Micarea sp. (gyrophoric and 5-O-methyliascic acids); "found once on an ancient red maple - specimen #5666 apparently an undescribed species"). [But species was known at the time]; P. F. May 5666 [FH], P. F. May 5666 [FH]
NB: this species was included in Phil's 2002 report as "T. involuta" (a synonym); occasional on silicic rock; P. F. May 5611 [FH], P. F. May 4173 [FH]
occasional, on live and dead conifers and on rotting wood; P. F. May 5811A [FH], P. F. May 4220 [FH]
this species was only found outside the study area (site 18: stream crossing under West Road); "found once on wet stream boulders"; P. F. May 5853B [FH]
irregularly distributed but locally abundant on silicic boulders; infrequent on the bark of hardwoods; E. Lay 98-0023 [NY], P. F. May 3390 [FH]
infrequent, on conifers and hardwoods; P. F. May 5533 [FH]
found once on hemlock; "TLC?"; P. F. May 5585 [FH]
common on the bark of hardwoods, infrequent on rock and on red spruce; P. F. May 1997-00-00 [FH], P. F. May 5706 [FH]
this species was only found outside the study area (site 18: stream crossing under West Road); "on stream boulder"; P. F. May [FH]
abundant on sunny silicic rocks, found once on a root; P. F. May 3418 [FH], P. F. May 4179 [FH]
found twice on sunny silicic rock, probably occasional; P. F. May [FH]
NB: this species is included in Phil's 2002 report as "X. somloensis" (a synonym) with the note "occasional on silicic rock"; P. F. May 4299 [FH], P. F. May 5586 [FH], P. F. May 4267 [FH], P. F. May 5614 [FH]
found twice on sunny silicic rock, probably occasional; P. F. May 4314 [FH]