![Frontiers | The Native Hymenoscyphus albidus and the Invasive Hymenoscyphus fraxineus Are Similar in Their Necrotrophic Growth Phase in Ash Leaves Frontiers | The Native Hymenoscyphus albidus and the Invasive Hymenoscyphus fraxineus Are Similar in Their Necrotrophic Growth Phase in Ash Leaves](https://www.frontiersin.org/files/Articles/892051/fmicb-13-892051-HTML/image_m/fmicb-13-892051-g001.jpg)
Frontiers | The Native Hymenoscyphus albidus and the Invasive Hymenoscyphus fraxineus Are Similar in Their Necrotrophic Growth Phase in Ash Leaves
![File:Frênes dépérissants Chalara fraxinea Lille Bois de la Citadelle été 2017a 05.jpg - Wikimedia Commons File:Frênes dépérissants Chalara fraxinea Lille Bois de la Citadelle été 2017a 05.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/1/1c/Fr%C3%AAnes_d%C3%A9p%C3%A9rissants_Chalara_fraxinea_Lille_Bois_de_la_Citadelle_%C3%A9t%C3%A9_2017a_05.jpg)
File:Frênes dépérissants Chalara fraxinea Lille Bois de la Citadelle été 2017a 05.jpg - Wikimedia Commons
![File:Frênes dépérissants Chalara fraxinea Lille Bois de la Citadelle été 2017a 02.jpg - Wikimedia Commons File:Frênes dépérissants Chalara fraxinea Lille Bois de la Citadelle été 2017a 02.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/f/f3/Fr%C3%AAnes_d%C3%A9p%C3%A9rissants_Chalara_fraxinea_Lille_Bois_de_la_Citadelle_%C3%A9t%C3%A9_2017a_02.jpg)
File:Frênes dépérissants Chalara fraxinea Lille Bois de la Citadelle été 2017a 02.jpg - Wikimedia Commons
![Ash dieback caused by the fungus Hymenoscyphus pseudoalbidus (Helotiales: Helotiaceae)(Chalara fraxinea): up to 90% of ash trees Fraxinus excelsior expected to die, and prospects for Tiddesley Wood, Pershore Ash dieback caused by the fungus Hymenoscyphus pseudoalbidus (Helotiales: Helotiaceae)(Chalara fraxinea): up to 90% of ash trees Fraxinus excelsior expected to die, and prospects for Tiddesley Wood, Pershore](https://www.wbrc.org.uk/worcrecd/33/img_Green_David--Hymenoscyphus_pseudoalbidus_Chalara_f/Fig_02_TiddesleyWoodNE_de.jpg)