E-Flora BC: Electronic Atlas of the Flora of British Columbia

Brodoa oroarctica (Krog) Goward
Mountain diamondback
N.A.

Introduction to the Lichens

© Jim Riley  Email the photographer   (Photo ID #12473)

E-Flora BC Static Map
Distribution of Brodoa oroarctica
Details about map content are available here
Click on the map dots to view record details.

Consortium of North American Lichen Herbaria map

Species Information

Click on the image below to view an expanded illustration for this species.



Illustration By: Trevor Goward

General:
Small to occasionally medium stratified foliose lichens, corticate above and below, lacking soredia and isidia, lobes closely appressed to in part semi-erect, elongate-linear to elongate, averaging to 0.5–1.5 mm wide, thick. Upper surface pale grey to nearly black, bearing white angular markings/maculae. Lower surface tan or black, dull, apparently white-pruinose, lacking rhizines. Medulla white. Photobiont green. Apothecia located over upper surface; spores simple, ellipsoid, colourless, 8 per ascus.

Notes: Brodoa is an arctic-alpine genus containing three species worldwide, though only one of these occurs in B.C. Brodoa was formerly treated within Hypogymnia.
Reactions:
All spot tests negative.
Contents:
Calycin and pulvinic dilactone.

Source: Lichens of British Columbia

Habitat / Range

Habitat: Frequent over acid rock in exposed inland alpine sites
World Distribution: circumpolar, N to AK, S to NM.

Source: Lichens of British Columbia

Synonyms and Alternate Names

Brodoa intestiniformis (Vill.) Goward
Hypogymnia encausta
Hypogymnia intestiniformis
Hypogymnia oroarctica Krog
Parmelia intestiniformis (Vill.) Ach.

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

Additional Photo Sources

Related Databases

General References