Observation 88558: Stereocaulon saxatile H. Magn.
When: 2009-08-06
No herbarium specimen

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Thanks, Chris
By: Andrew Khitsun (Andrew)
2012-03-04 18:29:52 PST (-0800)

As far as I remember, my tentative ID was based just on the fact it grew on rocks – I didn’t examine micro features, let alone taken a sample at that time.

Stereocaulon of WI
By: Chris Parrish (kitparrish)
2012-03-04 11:57:31 PST (-0800)

Andrew, here are some notes to go with your checklist.

Key (after Thompson, 2003, pp.221-222):

1a. Primary thallus persisting, pseudopodetia growing between primary squamules, on sand and earth; collected once in WI in 1894, and now thought to be extinct in WI … Stereocaulon condensatum
1b. Only pseudopodetia, primary thallus disappearing … 2

2a. On rocks; little or no tomentum; cephalodia rare, inconspicuous … Stereocaulon saxatile
2b. On sand, earth, clay or dirt over rocks; tomentum well developed; abundant cephalodia … 3

3. Stereocaulon paschale and Stereocaulon tomentosum

CNALH Stereocaulon condensatum page
CNALH Stereocaulon paschale page
CNALH Stereocaulon saxatile page
CNALH Stereocaulon tomentosum page

Sharnoff’s Stereocaulon paschale gallery
Sharnoff’s Stereocaulon saxatile gallery
Sharnoff’s Stereocaulon tomentosum gallery

Just a guess.
By: Andrew Khitsun (Andrew)
2012-03-04 09:14:25 PST (-0800)

The other three species of the same genus found in WI are:
Stereocaulon condensatum
Stereocaulon paschale
Stereocaulon tomentosum

Created: 2012-03-04 09:10:19 PST (-0800)
Last modified: 2012-03-04 09:12:09 PST (-0800)
Viewed: 51 times, last viewed: 2016-10-26 23:20:36 PDT (-0700)
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