It's spelled cacti.
The plural form of cactus is like the plurals for octopus and pegasus (e.g. octopi and pegasi). These particular words are spelled in exactly the same way as their Latin root words would be, so the us is changed to i.
That is the correct spelling of "cacti" (one plural of cactus).
CAPUS
cacti
Nopal :]
The plural form for the singular noun cactus is cacti.
Cactus is Singular. Cacti is Plural. Examples: I saw a cactus at the national park. I saw cacti at the natural park. This is not correct: I saw a cacti at the national park.
curtii like cacti
Cactus is singular. The plural forms are cacti or cactuses, both are accepted.Examples:I saw a cactus at the national park.I saw some cacti at the natural park.We have several flowering cactuses in stock.
Either is correct: cactuses' or cacti's. The apostrophe only is used when a plural is formed by S or ES, to indicate that an additional S sound is not added. When a plural does not end in S, the ordinary possessive (apostrophe-S) is used. Both cactuses and cacti are acceptable plurals for cactus.
cactus for a single plant cacti for plural
The name for some plants in predominantly arid regions is spelled cactus (plural cacti).
Cacti is plural. Cactus is singular.
The correct spelling is "cactus" and its plural form is "cacti" or "cactuses." Both plural forms are widely accepted.
The plural form for the singular noun cactus is cacti.
Cacti is the accepted term in botany.
Cacti is plural form for the singular cactus.
One cactus, two cacti
Cactus is Singular. Cacti is Plural. Examples: I saw a cactus at the national park. I saw cacti at the natural park. This is not correct: I saw a cacti at the national park.
Cacti is the singular and catus is the plural. :)
Cacti and cactuses are the two the plural forms of cactus.
cactus for a single plant cacti for plural