Lichens of Canada Exsiccati, Fascicle I, Nos. 1-25
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Opuscula Philolichenum, 17: 335-341. 2018. *pdf effectively published online 12October2018 via (http://sweetgum.nybg.org/philolichenum/) Lichens of Canada Exsiccati, Fascicle I, Nos. 1-25 R. TROY MCMULLIN1* AND LYNDSEY SHARP2 ABSTRACT. – A new exsiccati is initiated, Lichens of Canada, disseminated by the National Herbarium of Canada (CANL) at the Canadian Museum of Nature. Thirty-one sets of 25 species from the Hudson Bay Lowlands in northern Ontario and Salt Spring Island in British Columbia are distributed to: B, BG, C, CANB, COLO, DUKE, E, EWU, FH, FR, GZU, H, HMAS, KANU, LD, M, MSC, NBM, NFLD, NY, O, OSU, PMAE, QFA, S, SWSG, TNS, TU, UBC, UPS, WIS. KEYWORDS. – Biodiversity, fungi, lichenology, mycology, natural history collections, scheda. INTRODUCTION Exsiccati are identically numbered sets of dried specimens distributed to herbaria (Sayre 1969, 1971). Their purpose is to disseminate material from particular areas, or of specific groups of taxa, for examination by researchers in other parts of the world (Stafleu 1972, Stevenson 1971). An exchange of duplicate specimens serves a similar function and is often done instead of exsiccati. The benefit of exsiccati however, is that sets are consistent and provide an alternative to sorting through herbaria to locate specimens from a particular region since they are all in one place and usually organised in a catalogue. In Canada, two exsiccati that contain lichens have been distributed in the past by the National Herbarium of Canada (CANL) at what is now the Canadian Museum of Nature. The first, ‘Canadian Lichens’, was prepared by John Macoun and disseminated in two series. Culberson (1959) and Brodo (1971), however, do not consider Macoun’s sets to be proper exsiccati because locality data and dates were often missing and the material in each set was not consistent. The second one issued, Lichenes Canadenses Exsiccati, was distributed in four fascicles and included 250 numbers (Brodo 1971, 1977, 1984; Brodo & Wong 1993). A third set of exsiccati of note was also distributed, “Lichenes Arctici”, by John Thomson, which included many lichens from the Canadian Arctic. A new exsiccati series is initiated here, Lichens of Canada, distributed by CANL and produced by the Lichenology Section of the Canadian Museum of Nature. New numbers will be issued regularly consisting of specimens collected throughout the country. Specimens in this fascicle were collected in the Hudson Bay Lowlands of northern Ontario (23 species) and Salt Spring Island in British Columbia (2 species) by the first author. MATERIALS AND METHODS Identifications. – We identified specimens with light microscopy and standard chemical spot tests with paraphenylenediamine in ethyl alcohol, nitric acid, sodium hypochlorite, 10% and 20% potassium hydroxide, and Lugol’s iodine (Brodo et al. 2001). We further examined the chemistry using an ultraviolet light chamber. For specimens that could not be identified by morphology, chemical spot tests, or ultraviolet light, we examined the chemistry using thin-layer chromatography following Culberson and Kristinsson (1970) in solvents A, B′, and C. 1R. TROY MCMULLIN – Canadian Museum of Nature, Research and Collections, PO Box 3443 Stn “D”, Ottawa, ON, K1P 6P4, Canada 2LYNDSEY SHARP – Canadian Museum of Nature, Research and Collections, PO Box 3443 Stn “D”, Ottawa, ON, K1P 6P4, Canada *AUTHOR FOR CORRESPONDENCE – e-mail: [email protected] 335 Specimen Preparation. – We prepared specimens using three different methods. The first was for material that required pressing. We softened the lichens with deionized water until pliable. After dividing the material into appropriate sizes for packets, we pressed them between newsprint and corrugated cardboard until dry (1-3 days). The second method was for material on soil. To prevent the soil from breaking apart, we used a 4-1 mixture of Weldbond Universal Adhesive (white PVA glue) and deionized water. The mixture was applied using a paintbrush over the bottom surface and lower edges of specimens and then dried with the lower surface facing up. Lastly, specimens on lignum or branches were cut to appropriate lengths to fit into packets using pruning shears. We then placed all specimens on UV negative, acid-free cardboard cards, lined with natural, unbleached cotton batting. Specimens that we glued down were affixed with Weldbond Universal Adhesive. We placed the mounted specimens in pure cotton, acid-free paper packets. DATA FOR FASCICLE I – NUMBERS 1-25 1. Letharia vulpina (L.) Hue Det. R.T. McMullin, 2016 CANADA. BRITISH COLUMBIA. CAPITAL REGIONAL DISTRICT: Municipalities of Greater Victoria, Salt Spring Island, Mount Maxwell Provincial Park, on Mt. Maxwell Road, ca. 1 km below the summit, at a road side pull off. – Lat. 48.8109, Long. -123.5314. – Elev. ca. 482 m. – Old-growth mixed-wood coniferous forest dominated by Pseudotsuga menziesii, at the forest edge. – Corticolous on a Pseudotsuga menziesii trunk. R. Troy McMullin #17050 31 May 2016 w/ Robert Cameron and Christopher Lewis 2. Solorina saccata (L.) Ach. Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 320 km south of Hudson Bay and ca. 280 km west of James Bay on the eastern shore of the Attawapiskat River. – Lat. 52.9261, Long. -85.8394 – Elev. <100 m. – Mature conifer dominated mixed-wood forest on well-drained calcareous soil. – Terricolous. – Accessed by helicopter. R. Troy McMullin #15964 15 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 3. Tuckermanopsis americana (Spreng.) Hale Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 286 km south of Hudson Bay and ca. 12.6 km south of the Attawapiskat River. – Lat. 52.9801, Long. -85.3964. – Elev. <100 m. – Fen, dominant vegetation includes Carex chordorrhiza, Chamaedaphne calyculata, Larix laricina, Picea mariana, Trichophorum alpinum, and T. cespitosum. – Corticolous. – Accessed by helicopter. R. Troy McMullin #15978 13 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 4. Phaeocalicium populneum (Brond. ex Duby) Alb. Schmidt Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 330 km south of Hudson Bay and ca. 280 km west of James Bay along the eastern shore of the Attawapiskat River. – Lat. 52.6858, Long. -85.9378. – Elev. <100 m. – Mature Populus stand on well-drained soil within a conifer dominated mixed-wood forest. – Corticolous on Populus. – Accessed by helicopter. R. Troy McMullin #15982 20 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 336 5. Parmelia sulcata Taylor Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 330 km south of Hudson Bay and ca. 280 km west of James Bay along the eastern shore of the Attawapiskat River. – Lat. 52.6858, Long. -85.9378. – Elev. <100 m. – Mature Populus stand on well-drained soil within a conifer dominated mixed-wood forest. – Corticolous on a conifer. – Accessed by helicopter. R. Troy McMullin #15983 20 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 6. Cladonia stellaris (Opiz) Pouzar & Vězda Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 333 km south of Hudson Bay and ca. 4.2 km west of Deugo Lake. – Lat. 52.8319, Long. -86.5564. – Elev. <100 m. – Sparsely treed bog, dominant vegetation includes Chamaedaphne calyculata, Cladonia stellaris, C. stygia, Kalmia angustifolia, Ledum groenlandicum, Picea mariana, Sphagnum fuscum, and Vaccinium oxyccoccus. – Terricolous. – Accessed by helicopter. R. Troy McMullin #15985 11 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 7. Cladonia deformis (L.) Hoffm. Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 333 km south of Hudson Bay and ca. 4.2 km west of Deugo Lake. – Lat. 52.8319, Long. -86.5564. – Elev. <100 m. – Sparsely treed bog, dominant vegetation includes Chamaedaphne calyculata, Cladonia stellaris, C. stygia, Kalmia angustifolia, Ledum groenlandicum, Picea mariana, Sphagnum fuscum, and Vaccinium oxyccoccus. – Terricolous. – Accessed by helicopter. R. Troy McMullin #15986 11 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 8. Calicium tigillare (Ach.) Pers. Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 286 km south of Hudson Bay and ca. 12.6 km south of the Attawapiskat River. – Lat. 52.9801, Long. -85.3964. – Elev. <100 m. – Fen, dominant vegetation includes Carex chordorrhiza, Chamaedaphne calyculata, Larix laricina, Picea mariana, Trichophorum alpinum, and T. cespitosum. – Lignicolous on a snag. – Accessed by helicopter. R. Troy McMullin #15989 13 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 9. Cladonia rangiferina (L.) F.H. Wigg. Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 328 km south of Hudson Bay and ca. 575 m east of the Muketei River. – Lat. 52.7742, Long. -86.2987. – Elev. <100 m. – Upland forest ecosystem with well-drained soil, dominant vegetation includes Cladonia stellaris, C. stygia, Picea spp., Pinus banksiana, and Pleurozium schreberi. – Terricolous. – Accessed by helicopter. R. Troy McMullin #15990 17 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 337 10. Evernia mesomorpha Nyl. Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 286 km south of Hudson Bay and ca. 12.6 km south of the Attawapiskat River. – Lat. 52.9801, Long. -85.3964. – Elev. <100 m. – Fen, dominant vegetation includes Carex chordorrhiza, Chamaedaphne calyculata, Larix laricina, Picea mariana, Trichophorum alpinum, and T. cespitosum. – Corticolous. – Accessed by helicopter. R. Troy McMullin #15991 13 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 11. Cladonia cenotea (Ach.) Schaer. Det. R.T. McMullin, 2015 CANADA. ONTARIO. KENORA DISTRICT: ca. 342 km south of Hudson Bay and ca. 4.6 km east of the Muketei River. – Lat. 52.7342, Long. -86.2580. – Elev. <100 m. – Sparsely treed bog, dominant vegetation includes Chamaedaphne calyculata, Cladonia stellaris, C. stygia, Kalmia angustifolia, Ledum groenlandicum, Picea mariana, Sphagnum fuscum, and Vaccinium oxyccoccus. – Terricolous. – Accessed by helicopter. R. Troy McMullin #15992 12 July 2015 w/ Jennifer Doubt, Murray Dixon, and Tyler Smith 12. Icmadophila ericetorum (L.) Zahlbr. Det. R.T. McMullin, 2015 CANADA.