The genus Ramalina Acharius (Ascomycota, Lecanoromycetes, Ramalinaceae) in northern South America
Author
Marcano, Vicente
Laboratorio de Biología Evolutiva y Organismos Extremos, Grupo de Ciencias Atmosféricas y el Espacio,
Author
Méndez, Antonio Morales
0000-0002-5923-881X
Instituto de Investigaciones, Facultad de Farmacia, Universidad de Los Andes, Mérida, Venezuela; lostopes @ yahoo. es; https: // orcid. org / 0000 - 0002 - 5923 - 881 X
lostopes@yahoo.es
Author
Prü, Ernesto Palacios
text
Phytotaxa
2021
2021-05-26
504
1
1
77
http://dx.doi.org/10.11646/phytotaxa.504.1.1
journal article
10.11646/phytotaxa.504.1.1
1179-3163
5425194
44.
Ramalina subfraxinea
var.
confirmata
(Nylander) N. Stevens
Bull. Br. Mus. Nat. Hist. (Bot.)
16: 205 (1987)
. –
Ramalina fraxinea
subsp.
confirmata
Nylander,
Bull. Soc. Linn. Normandie
II
, 4: 138 (1870)
.
Type
:―
AUSTRALIA
.
Swan River
: 1846,
Verreaux
s.n. (
lectotype
H–NYL! 37423).
Chemistry
(TLC, HPTLC): Cryptochlorophaeic and 4’–
O
–methylcryptochlorophaeic acids (+/–).
Ecology and distribution
: This species is found growing on exposed branches of trees and bushes in rainforests, asociated with
R. dictyota
and
R. pusiola
at
900–1400 m
. It is known from
Australia
,
New Caledonia
, Timor (
Zanzibar
) and South America (
Venezuela
).
Remarks
: In northern South America this varieties is only known from the Venezuelan Andes (
Fig. 5
). The morphological and chemical characters of this varieties have been described in detail by Morales & Marcano (1994).
Stevens (1987)
reported the presence of minor quantities of paludosic acid in specimens from
Australia
.
Specimens examined
:
VENEZUELA
:
Mérida
:
Hacienda Los Topes
, near
Chiguará
,
1300–1400 m
,
12 February 1984
,
A. Morales
93 (B);
Los Topes
,
San Juanito
,
Chiguará
,
1200 m
,
A. Morales
93–b;
900 m
,
A. Morales
450, 451 (
MERF
)
.