A Natural Key to the Published Australian Species of Ramaria
10th April, 2014
|1.||Basidiospores with longitudinal or helical striations embedded in the spore wall; usually fusiform (spindle shaped, "mummy-shaped" sensu Cleland) to long ellipsoid, occasionally short ellipsoid; spore profile almost smooth to finely undulate at most; only a single species so far known; subgenus Ramaria||R. australiana †|
|1.*||Basidiospores with spines, cog-like teeth or warts decorating the exterior of the spore wall; spore shape varying from subcylindrical to long ellipsoid, ellipsoid or approaching globose; profile very finely to coarsely rough, spiny (echinate) or sometimes with the warts resembling cog-like teeth.
|2.||Basidiospores with spines or cog-like teeth on the spore wall exterior; basidiospores lacrymoid or occasionally approaching subglobose; profile echinate or very rough with cog-like teeth; massed spores tinted yellow under the microscope; subgenus Echinoramaria||3|
|2.*||Basidiospores with warts on the exterior of the spore wall; warts may be random or arranged into longitudinal or helical ridges; basidiospores elliptical to cylindrical, occasionally approaching subglobose; profile finely to coarsely rough; massed spores tinted brownish under the microscope.
|3.||All parts of the basidioma rapidly becoming greenish when bruised or basidiomata becoming wholly greenish with age.||R. abietina †|
|3.*||Basidiomata never with greenish staining or becoming wholly greenish with age.
|4.||Basidioma wholly yellowish from the start and stipe at most brownish yellow; apices tapered and acute.||R. ochracea †|
|4.*||Basidioma cinnamon brownish with paler apices; apices bluntly rounded.
|5.||Rhizomorphs always present, usually abundant, and containing two types of hyphae (dimitic state) consisting of thin-walled, frequently clamped hyphae (generative) and very thick-walled, small diameter, unclamped, skeletal hyphae; skeletal hyphae are absent from the fruiting body of the sole Australian species; subgenus Lentoramaria.||R. filicicola|
|5.*||Rhizomorphs present or absent, but if present then containing only thin-walled hyphae, with or without clamps (monomitic state); skeletalised hyphae may be present or absent in the basidioma; subgenus Laeticolora.
|6.||Trichodermal palisade present on the apices; apices inflating and becoming capitate or leotiod, sometimes viscid; two varieties – the first wholly yellowish and exhibiting a terraced appearance with individual "cauliflower-like florets ", the second with salmon-pink (rarely reddish in Tas. ?) branches and exhibiting a closed, very compact "cauliflower-like surface" so that individual apices in a coralloid structure are almost lacking.||R. capitata var. capitata
R. capitata var. ochraceosalmonicolor
|6.*||Trichodermal palisade on the apices always absent; apices never inflating, never viscid and basidiomata displaying typical, and more open coralloid structures.
|7.||Basidiomata displaying shades of purple, lilac or violet in at least the juvenile and early mature stages; flesh underneath a very vivid and contrasting white; basidiospores always very coarsely rough in profile.||R. fennica var. fumigata †|
|7.*||Basidiomata without any shades of purple, lilac or violet in at least the juvenile and early mature stages; basidiospore profiles various.
|8.||Stipe trama and (usually) the branch trama displaying hyphal gelatinisation; tramal hyphae usually translucent and exuding glutinous material into microscopic media.||9|
|8.*||Gelatinised tissues absent.
|9.||Basidiomata with bright red apices and upper branches.||R. stuntzii var. gelatinosa †|
|9.*||Basidiomata yellowish to ochre-yellow or orange-yellow.
||R. gelatinosa var. oregonensis †
|10.||Branches salmon-pink to pinkish orange; apices not concolorous with the branches and cream coloured, yellow or yellow orange.||11|
|10.*||Branches and apices variously coloured but not with the above combination of colours.
|11.||Basidiospores 7.2 –10.0 µm, most spores with warts randomly scattered but occasional basidiospores with warts arranged in longitudinal striations; stipe very short, slender or forming a pseudostipe from adpressed lower branches.||R. anziana|
|11.*||Basidiospores 8.6 –12.2 µm, most spores with warts arranged in longitudinal or helical striations; stipe distinct and ± stout.
||R. samuelsii †
|12.||Clamps absent throughout the basidioma.||13|
|12.*||Clamps present throughout the basidioma.
|13.||Stipe base rapidly displaying plum-coloured to reddish stains when bruised.||R. xanthosperma var. australiana †|
|13.*||Stipe base not rapidly displaying plum-coloured to reddish stains when bruised.
|14.||Apices and branches wholly cream coloured to yellow.||15|
|14.*||Apices not concolorous with branches and bright pink to red; branches pale pinkish cream and whole fungus becoming buff with pinkish tints at maturity.
|15.||Stipe slender; apices tapered and acute, usually dichotomous; spores mostly broadly ellipsoid, Lm < 7.5 µm.||R. lorithamnus|
|15.*||Stipe stout to robust; apices cuspidate to single and tapered, but always rounded at the tip; spores distinctly ellipsoid, Lm > 7.5 µm.
|16.||Apices distinctly tapered and double dichotomous; all parts brunnescent where bruised or with age.||R. subtilis var. microspora †|
|16.*||Apices distinctly cuspidate; never changing colour where bruised.
||R. citrinocuspidata †
|17.||Apices bluntly rounded and digitate; basidiospore Lm > 9.0 µm.||R. watlingii †|
|17.*||Apices cristate and finely divided; basidiospore Lm < 9.0 µm.||R. pyrispora †
† These species have not yet been found in Queensland, but may be present.