Collection location: Lummi Island, Whatcom Co., Washington, USA [Click for map]
on Si rock in spray zone with Buellia and Lecidella
Collected this specimen for Buellia stellulata record for Lummi Island Heritage Trust Baker Preserve inventory with Walter Lockwood and Fred Rhoades, but when looked more closely noticed the (nondescript) very thin greenish-black lichen with tiny lecideine apothecia, which seems to fit C. chalybeia relatively well with the exception of hypothecium which my references have as darker.
“saxicolous; on both sandstones and igneous rocks, usually but not exclusively at maritime sites” “occasional scattered at maritime sites in the southern part of the CDFD [Coastal Douglas Fir Dry Subzone of southern Vancouver Island which should be similar to Lummi Island] subzone, not collected in adjacent zones” – Nobel (1982)
Oliver Gilber (2000) mentions C. Chalybeia on limestones, slate roofs, blue engineering brick of railroad bridges, intermittently submerged shores of rivers and lakes and supralittoral rock and shingle.
“Very common but variable, especially in thallus appearance.” – Smith et al. (2009)
“In our area known from BC and Oregon” – McCune (2007)
reported new for WA by Ryan, Bruce (1988) Marine and Maritime Lichens on Serpentine Rock on Fidalgo Island, Washington. The Bryologist 91(3) 186-190 (don’t see how to add more references)
some photos -
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Just noticed a round cobble with Buellia stellulata that was being used as a paper weight also had something similar to Catillaria chalybeia. Realized that I had quite a few specimens from salt spray areas (including from some relatively polluted sites within Seattle) that seemed to have the same combination. Brief examination of apo section seems to confirm. If correct this seems consistant with Smith et al. and Gilbert, but alters McCune’s note.
From Whidbey Island – http://www.flickr.com/...
Created: 2013-04-07 11:41:05 CDT (-0500)
Last modified: 2013-04-23 17:34:48 CDT (-0500)
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