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Phylogenetics of the Pezizaceae, with an Emphasis on Peziza Phylogenetics of the Pezizaceae, with an Emphasis on Peziza The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters Citation Hansen, Karen, Thomas Laessoe, and Donald H. Pfister. 2001. Phylogenetics of the Pezizaceae, with an emphasis on Peziza. Mycologia 93, no. 5: 958-990. Published Version http://dx.doi.org/10.2307/3761760 Citable link http://nrs.harvard.edu/urn-3:HUL.InstRepos:3153300 Terms of Use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Other Posted Material, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of- use#LAA Mycological Society of America Phylogenetics of the Pezizaceae, with an Emphasis on Peziza Author(s): Karen Hansen, Thomas L[ae]ssoe, Donald H. Pfister Source: Mycologia, Vol. 93, No. 5 (Sep. - Oct., 2001), pp. 958-990 Published by: Mycological Society of America Stable URL: http://www.jstor.org/stable/3761760 Accessed: 05/06/2009 20:11 Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your personal, non-commercial use. Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained at http://www.jstor.org/action/showPublisher?publisherCode=mysa. Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printed page of such transmission. JSTOR is a not-for-profit organization founded in 1995 to build trusted digital archives for scholarship. We work with the scholarly community to preserve their work and the materials they rely upon, and to build a common research platform that promotes the discovery and use of these resources. For more information about JSTOR, please contact [email protected]. Mycological Society of America is collaborating with JSTOR to digitize, preserve and extend access to Mycologia. http://www.jstor.org Mycologia, 93(5), 2001, pp. 958-990. ? 2001 by The Mycological Society of America, Lawrence, KS 66044-8897 Phylogenetics of the Pezizaceae, with an emphasis on Peziza Karen Hansen' tions were found to support different rDNA lineages, Thomas Laess0e e.g., a distinct amyloid ring zone at the apex is a syn- Departmentof Mycology,University of Copenhagen, apomorphy for group IV, an intense and unrestricted 0sterFarimagsgade 2 D, DK-1353 CopenhagenK, amyloid reaction of the apex is mostly found in Denmark group VI, and asci that are weakly or diffusely amy- Donald H. Pfister loid in the entire length are present in group II. Oth- Harvard UniversityHerbaria, Cambridge, er morphological features, such as spore surface re- Massachusetts,02138 USA lief, guttulation, excipulum structure and pigments, while not free from homoplasy, do support the groupings. Anamorphs likewise provide clues to high- Abstract: Phylogenetic relationships among mem- er-order relationships within the Pezizaceae. Several bers of the Pezizaceae were studied using 90 partial macro- and micromorphological features, however, LSU rDNA sequences from 51 species of Peziza and appear to have evolved several times independently, 20 species from 8 additional epigeous genera of the including ascomatal form and habit (epigeous, se- Pezizaceae, viz. Boudiera, Iodophanus, Iodowynnea, mihypogeous or hypogeous), spore discharge mech- Kimbropezia,Pachyella, Plicaria, Sarcosphaeraand Sca- anisms, and spore shape. Parsimony-based optimiza- bropezia,and 5 hypogeous genera, viz. Amylascus, Ca- tion of character states on our phylogenetic trees sug- zia, Hydnotryopsis, Ruhlandiella and Tirmania. To gested that transitions to truffle and truffle-like forms test the monophyly of the Pezizaceae and the rela- evolved at least three times within the Pezizaceae (in tionships to the genera Marcelleina and Pfistera (Py- group III, V and VI). The 9 hypogeous species in- ronemataceae), 6 species from the families Ascobo- cluded are nested in lineages with epigeous peziza- laceae, Morchellaceae and Pyronemataceae were in- ceous taxa. Species with apothecia of various shapes cluded. Maximum parsimony and maximum likeli- and with forcible spore discharge are spread among hood analyses of these sequences suggest that the all groups and the apothecium is suggested to be Pezizaceae is paraphyletic, because the non-amyloid symplesiomorphic in the Pezizaceae. The results in- Marcelleina is nested within it. If Marcelleina were dicate that the apothecia forming Pezizaceae have transferred to the Pezizaceae, then the family would given rise to at least 3 different forms of hypogeous be monophyletic. Although the Pezizaceae is tradi- ascomata without forcible spore discharge: ptychoth- tionally characterized by amyloid asci, our results in- ecia, stereothecia and exothecia. dicate that the amyloid reaction is a symplesiomor- Key Words: ascus amyloid reactions, epigeous-hy- phy, which has been lost in some lineages, e.g., in pogeous evolution, molecular phylogeny, nLSU those including Marcelleina and Cazia. Nodes deep rDNA, Pezizales, systematics in the tree could not be resolved, but 7 groups of species (I-VII) are generally well supported or pre- sent in all trees. Peziza species, which constitute the INTRODUCTION core of the family, are present in all groups except group III, confirming the non-monophyly of the ge- The Pezizaceae (Pezizales) displays great variation in nus. The analyses suggest that the other included ascomatal forms. It includes taxa that produce epi- genera of the Pezizaceae are all nested within Peziza, geous, sessile or stipitate, cupulate, discoid, turbinate, the placement of lodophanus being unresolved. The pulvinate or sparassoid ascomata, or semi-hypogeous morphologically distinct Peziza gerardii, which forms to hypogeous, closed, folded to solid ascomata (FIGS. a clade with Marcelleina, appears to be the sister 1-21). The ascomata range in size from a few mm to group to the rest of the Pezizaceae. Morphological more than 10 cm in diam, and are often fleshy, soft features were studied and evaluated in the context of and brittle. Anatomical and biochemical diversity is the phylogeny. Distinct types of ascus amyloid reac- found in characters such as spore discharge mecha- nism; amyloid reaction of the ascus; spore shape, col- Accepted for publication April 3, 2001. or, ornamentation, and guttulation; pigmentation of 1 Corresponding author, Email: [email protected] the paraphyses; and excipulum structure (TABLE I). 958 HANSEN ET AL: PHYLOGENYOF PEZIZACEAE 959 I I EwI V, ,,.w) 4i , IiN fw .'e'^1 N. ^tc&I <-an^I, - .. c r o ,. ,,.*?,, * ?.I'O1 w FIGS.1-12. Ascoma forms and color variation in the Pezizaceae (group I-IV). 1. Pulvinate apothecia with protruding asci. Iodophanus carneus (JHP-00.027, C) X 15. 2-3. Group I. Discoid apothecia on broad obconical bases. 2. Peziza gerardii (KH- 98-86, C) X3. 3. Marcelleina persoonii (TL-5346, C) X3. 4. Group II. Peziza subisabellina (RK83.115, herb. Roy Kristiansen) X1.3. 5-8. Group III. 5. Pachyella punctispora (KH-98-77, C) X 1.5. 6. Turbinate apothecia with a convex hymenium. Boudiera dennisii (JHP-93.095, C) X6. 7. Highly pustulate outer surface. Scabropeziaflavovirens (Fuckel) Dissing & Pfister (KH-97-68, C) X 2. 8. Stereothecium. Amylascus. (5728, OSC) Xl.5. 9-10. Group IVa. 9. Cup-shaped, shortly stipitate apothecia. Peziza arvernensis (KH-98-08, C) x0.4. 10. Peziza ammophila (KH-98-88, C) x0.8. 11-12. Group IVb. 11. Peziza exogelatinosa (KH- 97-75, C) x0.8. 12. Peziza subcitrina (KH-97-133, C) X 1.3. Photos: 1, 2, 6, 7, 11 J.H. Petersen. 5, 9, 12 K. Hansen. 8 M. Castellano. 10 S.A. Elborne. 3 T. Laess0e. 4 R. Kristiansen. Ecologically, the family covers a broad range of nich- zones and arctic-alpine areas, although a few strictly es, fruiting on all types of soil, sand, clay, limestone, tropical taxa are known. The majority of species are burnt ground, dung and wood. Many species are considered to be saprotrophs, although most hypo- known to prefer soil with a high pH and in some geous and a few epigeous species are claimed to be cases a low content of organic matter (Petersen 1967, ectomycorrhizal (Maia et al 1996 and references 1985). The family is primarily restricted to temperate therein), but in general their trophic statuses are not 960 MYCOLOGIA TABLE I. Characters used in the delimitation of genera in the Pezizaceae (based on published and original observations) Ascoma: positionb; +/- forcible Ascoma: type; Ascus: +/- amyloid; spore dis- shape when type of Spore: shape; Spore: color; +/- Genus charge epigeous amyloid reaction guttulation ornamentation Amylascus hy, se; Ptychothecium to +; weakly over the Globose; 1 or several Hyaline to pale - stereothecium entire length brown; + spines, rods or cones Boudiera ep; + Apothecium, subglo- +; weakly over the Globose; 1 or several Pale brown; + echi- bose, turbinate to entire length nulate to reticu- pulvinate late Cazi&a hy; - Stereothecium Ellipsoid; 1 Hyaline; + minutely warty-reticulate Hapsidomycese ep; + Apothecium, turbi- +; weakly over the Globose; 0 Hyaline to pale yel- nate entire length low; + reticulate and spiny Hydnobolites hy; - Stereothecium +/-; weakly (2% Globose; 0
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