Here is a list of French and Polish nature names. Some of these are hypothetical, some of them are actually used. Hypothetical names are italicized. Note: many of the legit nature names are very archaic.

French

Females

• Acacie
• Améthyste
• Argentine (silver)
• Automne
• Azalée
• Azure
• Baie (bay)
• Bijou (jewel)
• Bleue
• Branche
• Capucine (nasturtium)
• Cèdre (cedar)
• Ciel (sky)
• Chênaie (oak grove)
• Colombe (dove)
• Chrysanthème (mum)
• Diamante
• Émeraude
• Épine (thorn)
• Érine (alpine flower)
• Étoile (star)
• Falaise (cliff)
• Fauve (fawn colour)
• Fée (fairy)
• Flambée (blaze)
• Garance (hawthorn)
• Gingembre (ginger)
• Hiver (winter)
• Joyau (jewel)
• Lauréole (daphne laurel)
• Lierre (ivy)
• Lune (moon)
• Miel (honey)
• Muguette (lily-of-the-valley)
• Nuage (cloud)
• Océane (ocean)
• Opale
• Ombre (shadow)
• Onagre (evening primrose)
• Pavotte (poppy)
• Perle
• Pluie (rain)
• Primevère (primrose)
• Primerose (hollyhock)
• Printemps (spring)
• Rivière (river)
• Rubine (ruby)
• Safrane (saffron)
• Saphire
• Sarcelle (teal-duck)
• Sauge (sage)
• Saule (willow)
• Serre (talon)
• Soleil (sun)
• Tempête (tempest)
• Topaze (topaz)
• Tonnelle (arbor)

Males

• Bleu
• Éclat (blaze)
• Faucon (falcon)
• Faon (fawn-animal)
• Foin (hay)
• Bouleau (birch)
• Laurier (laurel)
• Loup (wolf)
• Pierre (stone, rock)
• Silex (flint)
• Tremble (aspen)

Polish

Female

• Akacja
• Ametysta 
• Azalia (azalea)
• Bazylia
• Burza (storm)
• Brzoza (birch: BJOH-zah)
• Chryzantema (mum)
• Chmura (cloud, HMOO-rah)
• Cyranka (teal-duck)
• Gwiazda (star)
• Jagoda (berry)
• Jagna (lamb, YAHG-nah)
• Klejnota (jewel)
• Koralia (coral)
• Kwiata (flower, KFYAH-tah)
• Jesienna (autumn, yeh-SHYEN-nah, yeh-SHYANE-nah)
• Łabędz (Swan, WA-benj, pre-Christian name)
• Nasturcja (nasturtium)
• Nefryta (jade)
• Niebiana (heavenly)
• Niebieska (blue)
• Osika (aspen, ah-SHEE-kah)
• Pergola (arbor)
• Perła (pearl)
• Pogoda (weather)
• Poziomka (strawberry, paw-ZHOME-kah)
• Rubina (ruby)
• Rzeka (river, ZHEH-kah)
• Sekwoja (sequoia)
• Skarpa (cliff)
• Slońce (sun, SWOINs-TSEH)
• Szafrana (saffron)
• Szafira (sapphire)
• Szałwia (sage)
• Szmaragda (emerald)
• Stokrotka (daisy)
• Wierzba (willow, VYEZH-bah)
• Wisenna/Wiosenna (spring, vi-SEN-nah and vyoh-SEN-nah)
• Wróżka (fairy, VROOSH-kah)
• Wyprawa (journey, VIP-prah-vah)
• Zima (winter, ZHEE-mah)

Male

• Cień (shadow, Chang)
• Dereń (dogwood, DEH-reng)
• Deszcz (rain)
• Gałąź (branch; GAH-wonshe)
• Imbir (ginger)
• Jelonek (fawn animal)
• Jesion (ash-tree, YEH-shone)
• Kamień (stone, rock)
• Kanion (canyon)
• Kolec (thorn)
• Kwiatostan (blossom)
• Płomień (blaze, PWOH-myang)
• Lasek (grove)
• Lesota (forest)
• Mak (poppy)
• Niebo (heaven)
• Orzeł (eagle, Aw-jeu)
• Popiół (ash from a fire, POPE-pyeu)
• Rudzik (robin)
• Siano (hay, SHAH-no)
• Sokół (falcon, SO-keu)
• Srebro (silver)
• Sztorm (storm)
• Żegota (blaze)
• Źebrak (colt, ZHEH-brahk)
• Wawrzyn (laurel, VAHF-zhin)
• Wilk (wolf)