Myelochroa, J.A.Elix & M.E.Hale, 1987

Moon, Kwang Hee, Ahn, Chorong & Kashiwadani, Hiroyuki, 2015, Revision of the lichen genus Myelochroa (Ascomycotina: Parmeliaceae) in Korea, Journal of Species Research 4 (1), pp. 23-32 : 30-31

publication ID

https://doi.org/ 10.12651/JSR.2015.4.1.023

DOI

https://doi.org/10.5281/zenodo.8120411

persistent identifier

https://treatment.plazi.org/id/8D425145-FFC2-6F52-C83C-D2D8FD116EFA

treatment provided by

Felipe

scientific name

Myelochroa
status

 

Key to the species of Korean Myelochroa View in CoL View at ENA

1. Thallus isidiate∙∙∙∙∙∙ M. perisidians (Nyl.) Elix & Hale

1. Thallus without isidia ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 2

2. Thallus sorediate or pustulate ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3

2. Thallus without soredia or pustules∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 6

3. Pustules never forming soredia ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4

3. Pustules turning into soredia; soredia farinose∙∙∙∙∙∙∙∙∙ 5

4. Medulla P+ brick red, containing galbinic acid; moniliform cells present in the medulla∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ M. hayachinensis (Kurok.) Elix & Hale

4. Medulla P -, lacking galbinic acid; moniliform cells absent in the medulla ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ M. leucotyliza (Nyl.) Elix & Hale

5. Medulla P+ brick red, containing galbinic acid; moniliform cells present in the medulla∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ M. metarevoluta (Asahina) Elix & Hale

5. Medulla P -, lacking galbinic acid; moniliform cells absent in the medulla ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ M. aurulenta (Tuck.) Elix & Hale View in CoL

6. Upper surface distinctly rugose, often bursting open along the ridges of wrinkles; upper cortex fragile and easily flaking away, exposing medulla ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ M. entotheiochroa (Hue) Elix & Hale

6. Upper surface smooth, cortex almost entire ∙∙∙∙∙∙∙∙∙∙∙∙ 7

7. Thallus rather tightly adnate; medulla P+ brick red, containing galbinic acid; moniliform cells present in the medulla∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ M. galbina (Ach.) Elix & Hale

7. Thallus adnate; medulla P - or P+ yellow, lacking galbinic acid; moniliform cells absent in the medulla∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ M. irrugans (Nyl.) Elix & Hale

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