Punctelia Perreticulata

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Punctelia perreticulata FAMILY Parmeliaceae AUTHORITY Punctelia perreticulata (Räsänen) G.Wilh. & Ladd FLORA CATEGORY Lichen – Native ENDEMIC TAXON No ENDEMIC GENUS No ENDEMIC FAMILY No STRUCTURAL CLASS Lichen - Foliose CURRENT CONSERVATION STATUS 2018 | At Risk – Naturally Uncommon | Qualifiers: SO, Sp DISTRIBUTION North Island: South Auckland (Rotorua). South Island: Nelson (Brightwater), Canterbury (Temuka), Otago (Whare Flat, Dunedin). Widely distributed worldwide. HABITAT On tree bark (Fuscospora, Podocarpus totara) and tree stumps, still very poorly collected and known in New Zealand. FEATURES Thallus closely or loosely attached, 5–12 cm diam. Lobes (1–)2–4(–8) mm wide, surface wrinkled to scrobiculate, pseudocyphellate. Pseudocyphellae laminal and marginal, punctiform, oblong or linear-elongate to reticulate, sometimes raised and located on ridges of upper cortex, rarely restricted to margins, developing into secondary soralia with farinose or granular soredia, infrequently mixed with small, thick phyllidia. Medulla white. Lower surface pale-buff or creamish, darker below apices. Apothecia very rare. Ascospores ellipsoidal, (8–)10–13 × (5–)6.5–10 μm. Pycnidia laminal, immersed. Conidia long-filiform, (5–)6.5–11(–15) × 1 μm. Chemistry: Cortex K+ yellow; medulla K−, C+ pink to red, KC+ red, Pd−; containing atranorin and lecanoric acid. SIMILAR TAXA P. perrecticulata is similar in all characters to P. subrudecta but is distinguished by the long, filiform conidia, and well-developed marginal soralia. A useful table showing differences in characters in P. perrecticulata, P. borreri and P. subrudecta is given in Longán et al. (2000). SUBSTRATE Corticolous. ATTRIBUTION Fact sheet prepared by Marley Ford (15 September 2021). Brief description, Distribution, Habitat, Features and Similar taxa sections copied from Galloway (2007). REFERENCES AND FURTHER READING Galloway D.J. 2007: Flora of New Zealand: Lichens, including lichen-forming and lichenicolous fungi. 2nd edition. Lincoln, Manaaki Whenua Press. 2261 pp Longán, A., Barbero, M., & Gómez-Bolea, A. (2000). Comparative studies on Punctelia borreri, P. perreticulata and P. subrudecta Parmeliaceae, lichenized Ascomycotina from the Iberian Peninsula. Mycotax, 74(2), 367-378. MORE INFORMATION https://www.nzpcn.org.nz/flora/species/punctelia-perreticulata/.

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Sensitive Species # of Lichens Lichen, it’s a Lifestyle Lichens get their food from light, air and rain so they are easily damaged by pollutants in the 0 1-4 5-9 10-19 20-29 30-39 40+ Although lichens are diverse, lichens can be found in three major forms. air. Scientists study lichens to learn about air pollution. The healthier the air, the more species of lichen there will be. 1) On your hike, count how many different lichens you can find. Check the box next to each lichen form you find on your hike. 2) Based on your findings, would you consider the area to have good or bad air quality? Air Quality: Crustose Foliose Fruticose Crustose lichens are thin like crust. The lichen’s edges stay flat Foliose lichens look like dry, wavy foliage (leaves). The Fruticose lichens are the most three-dimensional against the object it is growing on. Crustose lichens grow slowly edges curl off the surface the lichen is growing on. lichens. Some look like mini fruit trees without and some are among the oldest living organisms on Earth! leaves while others hang down from branches like hair. Porpidia Porpidia cf. albocaerulescens Ramalina Punctelia Ramalina culbersoniorum Punctelia rudecta Many lichens don’t have a common name. What What would you would you name this lichen? James Lendemer name this lichen? _________________________ ______________ Andy Moroz Powdered Ruffle Lichen Script Lichen Parmotrema hypotropum Erin Tripp Andy Moroz Graphis scripta Look for little black Pixie Cup Lichen ‘hairs’ called cilia! Cladonia chlorophaea James Lendemer Kate Deregibus Kate Erin Tripp Old Man’s Beard Gold Dust Lichen Lungwort Lichen Usnea dasaea Chrysothryix xanthina Lobaria pulmonaria Lichens come in many shapes, sizes and..
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