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species information (Systematics, BiolFlor-Names, Status)
BiolFlor-Name	family	german name(s)
Ambrosia coronopifolia Torr. & A. Gray	Asteraceae »	Ausdauerndes Traubenkraut
reference
Kühn, I., Klotz, S. 2002: Systematik, Taxonomie und Nomenklatur. In: Klotz, S., Kühn, I., Durka, W. (Hrsg.): BIOLFLOR - Eine Datenbank mit biologisch-ökologischen Merkmalen zur Flora von Deutschland. Schriftenreihe für Vegetationskunde. Bonn »

Synonymy (taxonomy after Wisskirchen & Haeupler, 1998)
Ambrosia coronopifolia Torr. & A. Gray	accepted
Ambrosia psilostachya , auct., non DC. 1836 s. str.	Synonym

Floristic status »
Floristic status	N (neophyte)
Evolutionary origin »
Evolutionary origin	u (unknown)
Region of origin »
Region of origin	0 (not specified)
Endemism »
Endemism	0 (not specified)
Reference	unbekannt
Mode of introduction »
Mode of introduction	B (contaminant)
Time and region of first naturalization »
Region of naturalization	D (Germany)
Time of first naturalization	1897
Degree of naturalization »
Maximum degree of naturalization	EO (epecophyte)

Chromosome number »
Basic chromosome number	18
Chromosome number 2n	108
Chromosome number (Germany)	False
Most common chromosome race	False
Ploidy level	6 (hexaploid)
Ploidy type	R (palaeopolyploid; polyploid basic number)
Reference	Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart
Basic chromosome number	18
Chromosome number 2n	72
Chromosome number (Germany)	False
Most common chromosome race	False
Ploidy level
Ploidy type	R (palaeopolyploid; polyploid basic number)
Reference	Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart
Basic chromosome number	18
Chromosome number 2n	36
Chromosome number (Germany)	False
Most common chromosome race	False
Ploidy level
Ploidy type	R (palaeopolyploid; polyploid basic number)
Reference	Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart
Basic chromosome number	18
Chromosome number 2n	144
Chromosome number (Germany)	False
Most common chromosome race	False
Ploidy level
Ploidy type	R (palaeopolyploid; polyploid basic number)
Reference	Oberdorfer, E. 1983: Pflanzensoziologische Exkursionsflora. Ulmer, Stuttgart

Phylogeny code »
Phylogeny code	BBBBBBBBBABABBABBABAAABAAAAAABAB

Life form »
Life form	H (Hemicryptophyte)
Qualifier	always [1]
Life span »
Life span	p (pluriennial-pollakanthic)
Qualifier	always [1]
Vegetative propagation »
Vegetative propagation	ws (Root shoot)
Qualifier	always [1]
Root metamorphoses »
Root metamorphoses	ws (Root shoot)
Qualifier	always [1]
Rosettes »
Rosettes	r (Erosulate plant)
Qualifier	always [1]
special references:
Bassett, I.J., Crompton, C.W. 1975: The biology of Canadian weeds. 11. Ambrosia artemisiifolia L. and A. psilostachya DC.. Canadian Journal of Plant Science 55:463-476
Salzman, A.G. 1985: Habitat selection in a clonal plant. Science 228:603-604

Flowering phenology »
Begin of flowering (months)	8
End of flowering (months)	10
Duration of flowering (months)	3
Number of flowering phases	0
Symphenological Groups »
Phenological group	0 (not available) Phenological season: not available
Reference	Dierschke, H 1995: Phänologische und symphänologische Artengruppen von Blütenpflanzen in Mitteleuropa. Tuexenia 15: 523-560

Type of reproduction »
Type of reproduction	vvs (mostly vegetatively, rarely by seed)
Reference	Bassett, I.J., Crompton, C.W. 1975: The biology of Canadian weeds. 11. Ambrosia artemisiifolia L. and A. psilostachya DC.. Canadian Journal of Plant Science 55:463-476
Type of seed production »
Type of seed production	s (amphimictic, sexual)
Reference	Bassett, I.J., Crompton, C.W. 1975: The biology of Canadian weeds. 11. Ambrosia artemisiifolia L. and A. psilostachya DC.. Canadian Journal of Plant Science 55:463-476
Dicliny »
Dicliny	mo (monoecious)
Abundance	always [1]
Reference	Schubert, R., Jäger, E.J., Werner, K. (Hrsg.) 1987: Exkursionsflora Band 3. Atlas der Gefäßpflanzen. 6. Aufl., Volk und Wissen, Berlin
Pollen vector »
Pollen vector	wi (wind) Pollen vector group: ab (abiotische Bestäubung)
Abundance	always [1]
Reference	Bassett, I.J., Crompton, C.W. 1975: The biology of Canadian weeds. 11. Ambrosia artemisiifolia L. and A. psilostachya DC.. Canadian Journal of Plant Science 55:463-476
Systematic reference	species [S]
Flower color »
Flower colour	green, yellowish
Basic flower colour	gr (green)
Reference	Schubert, R., Jäger, E.J., Werner, K. (Hrsg.) 1987: Exkursionsflora Band 3. Atlas der Gefäßpflanzen. 6. Aufl., Volk und Wissen, Berlin
Flower class after MUELLER »
Flower class after MUELLER	W (wind flowers) Typical pollinators: -
Flower type after KUGLER »
Flower type after KUGLER	0 (not applicable)

Fruit type »
Fruit type	Nu (nut)
Diaspore type »
Diaspore type	FZb (fruit with appendage)
Germinule type »
Heteromorphic type	n (not heteromorphic)
Germinule type	FZb (fruit with appendage)
Information available	True
Development of nutritious appendages
Development of flat appendages
Development of elongated appendages	sometimes [2]
Development of additional appendages	always [1]
Sizes »
Measured object	Germinule
Type of germinule or diaspore	FZb (fruit with appendage)
Constraint	False
Heteromorphic type	n (not heteromorphic)
Length (minimum) [mm]	2.5
Length (mean) [mm]	2.8
Length (maximum) [mm]	3.0
Width (minimum) [mm]
Width (mean) [mm]
Width (maximum) [mm]
Height (minimum) [mm]
Height (mean) [mm]
Height (maximum) [mm]
Measured object	Diaspore
Type of germinule or diaspore	FZb (fruit with appendage)
Constraint	False
Heteromorphic type	n (not heteromorphic)
Length (minimum) [mm]	2.5
Length (mean) [mm]	2.8
Length (maximum) [mm]	3.0
Width (minimum) [mm]
Width (mean) [mm]
Width (maximum) [mm]
Height (minimum) [mm]
Height (mean) [mm]
Height (maximum) [mm]
special references:
Brouwer, W., Stählin, A. 1955: Handbuch der Samenkunde. DLG-Verlag, Frankfurt/Main (Gattung)

Strategy type »
Strategy type	c (competitors)

Floristic zone and altitudinal level »
Floristic zone	o (subtropical)
Altitudinal level
Status	natural range
Floristic zone	m (meridional)
Altitudinal level
Status	natural range
Floristic zone	e (submeridional)
Altitudinal level
Status	natural range
Floristic zone	p (southern temperate)
Altitudinal level
Status	natural range
Floristic zone	n (northern temperate)
Altitudinal level
Status	natural range
Number of inhabited floristic zones »
Number of inhabited floristic zones	4
Oceanity »
Oceanity	ks (weak continental) Amplitude of Oceanity: 4 Minimum level of oceantity: extreme central continental climate Maximum level of oceantity: oceanic climate
Status	natural range
Floristic region »
Floristic region	m (Americas) Continent of floristic region: m (Amerika)
Status	natural range

Urbanity »
Urbanity	5 (urbanophilic)

Class »
English circumscription	06.5 (Eusiberian ruderal mugwort and thistles communities, and couch-grasslands) Class: Artemisietea vulgaris

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