http://www.dsc.tu-clausthal.de/

Keine Beschreibung vorhanden.

https://www.dsc.tu-clausthal.de/

Keine Beschreibung vorhanden.

Lexikon: Zitronenverbene / Lemon Verbena

https://web.archive.org/web/20100227005054/http://www.pharmasaat.de:80/lexikon/81_zitronenverbene.html

Zitronenverbene / Lemon Verbena

Multimedia & Outreach - CERN Document Server

http://cdsweb.cern.ch/collection/Multimedia%20&%20Outreach?ln=de

CERN Document Server - Multimedia & Outreach

Geraldton Waxflower (Chamelaucium uncinatum)

http://www.desert-tropicals.com/Plants/Myrtaceae/Chamelaucium_uncinatum.html

Geraldton Waxflower (Chamelaucium uncinatum): see it and grow it

Pencil Bush, Pencil Tree (Euphorbia tirucalli)

http://www.desert-tropicals.com/Plants/Euphorbiaceae/Euphorbia_tirucalli.html

Pencil Bush, Pencil Tree (Euphorbia tirucalli): see it and grow it

Ruby Salt Bush, Ruby Sheepbush (Enchylaena tomentosa)

http://www.desert-tropicals.com/Plants/Chenopodiaceae/Enchylaena_tomentosa.html

Ruby Salt Bush, Ruby Sheepbush (Enchylaena tomentosa): see it and grow it

Euphorbia aeruginosa

http://www.desert-tropicals.com/Plants/Euphorbiaceae/Euphorbia_aeruginosa.html

Euphorbia aeruginosa: see it and grow it

Vine Leaf Passion Flower (Passiflora vitifolia)

http://www.desert-tropicals.com/Plants/Passifloraceae/Passiflora_vitifolia.html

Vine Leaf Passion Flower (Passiflora vitifolia): see it and grow it

Pitaya Colorada, Mountain Organ Pipe, Saguira (Stenocereus montanus)

http://www.desert-tropicals.com/Plants/Cactaceae/Stenocereus_montanus.html

Pitaya Colorada, Mountain Organ Pipe, Saguira (Stenocereus montanus): see it and grow it