Familia
Asteraceae
Dumort.
pub. Comment. Bot.: 55. Nov-Dec 1822. common name:
Sunflowers
Subtribus
Petrobiinae
Benth. & Hook.f.
pub. Gen. Pl. 2: 166, 192. 7-9 Apr 1873.
Genus
Petrobium
R. Br.
pub. (1817)
Individual specimen entries are published in the sample database supplied with
The Compleat Botanica for species or varieties of this supra-generic taxon.
Grok observedObserver part meansObservation thoroughlyOn the Meaning of ‘Grok’ The Martians seem to know instinctively what we learned painfully from modern physics, that observer acts with observed through the process of observation. ‘Grok’ means to understand so thoroughly that the observer becomes a part of the observed.