T. americana N. E. Pfeiffer 1 claim

Literal values, not normalised. 437,395 distinct spellings cover 11,236,429 claims; only letter case and spacing are merged, so “maize”, “corn” and “Zea mays L.” are three separate entries here. The By organism view merges spellings of one organism through NCBI Taxonomy.

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Observationobservedoriginal resultmeasured

Claim · model-written summary

Thismia americana is presumed extinct after being known from one Chicago colony.

Taxon: T. americana N. E. PfeifferThismia americanae0
Outcome: presumably now extincte0
Setting: near Chicagoe0

Verbatim

e0
“T. americana N. E. Pfeiffer, known from only one colony discovered on low prairies near Chicago in 1912 and presumably now extinct”
✓ located verbatim in the source · abstract, characters 3716–3846

Title

The Genera of Burmanniaceae in the Southeastern United States

Carroll E. Wood Journal of the Arnold Arboretum 1983. doi:10.5962/p.324744

Other claims from this paper (4)

Observation Burmanniaceae comprises 17 or 18 genera and about 135 species.
Observation The family ranges from green autotrophs to achlorophyllous forms.
Observation The family occurs mainly in the tropics and subtropics across four continents.
Observation Twelve genera occur in South America, six extending into North America.