Observation 34268: Ramalina petrina Bowler & Rundel
When: 2010-02-21
Herbarium specimen reported

Notes: Location: 35°13’21.51"N 85°57’3.86"W el. 572 m, Rutledge Point Trail.

Substrate: Growing on dry sandstone rock faces with southern exposure to direct sun and with few or no other epiphytes on the rock. In all occurrences found so far the rock has been part of or next to a major sandstone cliff.

Habitat: Oak-dominated eastern deciduous woodland at the western rim of the Cumberland Plateau.

Chemistry:
soralia: C-, K+ salmon pink (slowly), KC- (dissolves the pink), Pd+ bright orange (immediately)
cortex: Pd- (but soralia turn bright orange quickly)

References:
To generate an interactive specimen locality map for Ramalina petrina, select the box for searching all available collections on the CNALH search page, and click “Next.” Then type “Ramalina petrina” into the “Taxonomic Criteria” box, and click “Search.”

Voucher specimen:
United States, Tennessee, Franklin County, Sewanee, Rutledge Point Trail. 21 Feb 2010. Chris Parrish 0063, det. James C. Lendemer (NY).

Common name: rock ramalina

Species Lists

Images

79855
79856
79857
79858
79859
79860
79861
79862
soralia, 16x
79863
soralia, 25x
79864
soralia, 32x
79865
soralia, 40x
79866
cortex bursting open, 40x
79867
finely ramified branch tips, 20x
79868
soralia near branch tip, 32x
79869
soralia on upturned branch tip, 25x
79870
soralia on upturned branch tip 32x
79871
soralia on upturned branch tip, 25x
79872
orange patch on cortex, 40x
79873
orange patch on cortex, 80x

Proposed Names

85% (1)
Eye3 Eyes3
Used references: By comparison with MO Observation #19734. Voucher specimen identified by James C. Lendemer (NY).

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
No one has commented yet.

Created: 2010-02-27 15:35:03 GMT (+0000)
Last modified: 2010-06-09 07:35:09 BST (+0100)
Viewed: 174 times, last viewed: 2016-06-05 05:12:58 BST (+0100)
Show Log