Flavoparmelia haysomii
≡Parmelia haysomii C.W.Dodge, Nova Hedwigia 15: 295 (1968).
Description : Flora (1985: 461–462 – as Pseudoparmelia pseudosorediosa). See also Elix (1994g: 42).
Chemistry : Cortex K−, UV−; medulla K−, C−, KC−, Pd+ orange-red; pigmented medulla K+ purple; containing usnic acid, protocetraric acid (major), caperatic acid (major), ±skyrin (in pigmented medulla), ±gyrophoric acid, ±additional unidentified compounds.
N: Northland (Three Kings Is, Matai Bay, Taipa, Cavalli Is, Bay of Is, Poor Knights Is, Whangarei, Hen & Chickens Is, Little Barrier I., Great Barrier I.), Auckland (Rangitoto I. Auckland), South Auckland (Hunua Ra., Mt Maungatawhiri, Motuhora I., Waikite Valley, West Taupo), Wellington (Rangitikei Gorge, Kapiti I.). S: Nelson (Cobb Valley, St Arnaud Ra., Black Hill Lake Rotoiti, Red Hill), Marlborough (Chetwode Is, Kaikoura), Canterbury (Banks Peninsula), Otago to Southland. St: (Tin Ra., Port Pegasus). A: C: (Monument Harbour). M: Widespread on rocks and tree bark, occasionally on glass in urban areas, both coastal and inland, also on alpine rocks. See also Elix & Johnston (1991: 7). Known also from Australia (Elix 1994g; Kantvilas et al. 2002; McCarthy 2003c, 2006).
Australasian
Illustrations : Martin & Child (1972: 115, pl. 27 – as Parmelia conspersa); Flora of Australia 55 : xii, fig. 11 (1994); Malcolm & Galloway (1997: 119); Kantvilas et al. (2002: 32).
Flavoparmelia haysomii is characterised by: the saxicolous/corticolous habit; the loosely adnate to adnate, pale straw-yellow to yellow-green thalli with conspicuous laminal dactyls, which may be wart-like and closed or erumpent–pustulate and ultimately granular–sorediate; and by the presence in the medulla of protocetraric and caperatic acids.
